Company lists · Data refreshed November 2026
Top 25 Marketing automation api developers based in the United States
RevenueBase identified 521 company matches for marketing automation api developers associated with the United States as of November 2026 and tracks 11,604 professional contacts across them, including 2,853 with verified work emails. New York is the largest hub.
This list covers company matches for marketing automation api developers associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest marketing automation api developers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,430 contacts → | ||||
Exact match “The Mailchimpossibilities are endless when you create, automate, and optimize your marketing with Mailchimp.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 1,259 contacts → | ||||
Exact match “Basis Technologies is a global provider of workflow automation, intelligence and programmatic trading software for the marketing enterprise.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 867 contacts → | ||||
Exact match “ActiveCampaign is the AI-first autonomous marketing platform built to transform how marketers, agencies, and entrepreneurs work.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 582 contacts → | ||||
Exact match “Optimove, the creator of Positionless Marketing, frees marketing teams from the limitations of fixed roles, giving every marketer the power to execute any marketing task instantly…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 573 contacts → | ||||
Exact match “Adobe Marketo Engage offers the leading Engagement Platform that empowers marketers to build brand value, grow revenue, and prove impact.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 300 contacts → | ||||
Exact match “From click to print and everything in between, we’re not changing marketing, just how it’s done.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 275 contacts → | ||||
Exact match “Listrak is the person-first marketing automation platform that seamlessly integrates data, identity, and cross-channel messaging to power hyper-personalized customer experiences.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 270 contacts → | ||||
Exact match “Best-in-class sales & marketing automation platform and marketplace for digital business owners and online marketers” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 219 contacts → | ||||
Exact match “Act-On Software provides the innovative marketing automation platform for marketers who think big and act boldly.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 197 contacts → | ||||
Exact match “Stirista is the only company that combines data, email, and digital execution to help clients acquire and retain customers by creating a data-driven, repeatable, and scalable…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 185 contacts → | ||||
Exact match “SendPulse is an AI-driven marketing platform that helps scaling businesses automate email and chatbot conversations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 168 contacts → | ||||
Exact match “RightWave provides Marketing Automation Services for B2B companies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 160 contacts → | ||||
Exact match “TapClicks, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 121 contacts → | ||||
Exact match “Benchmark helps busy marketers move faster and make a bigger impact with email.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 121 contacts → | ||||
Exact match “At Maino, we promise to deliver the best ROI on every dollar spent on your Digital Growth journey.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 117 contacts → | ||||
Exact match “Conexa is a Long-Term Tech Partner that develops custom solutions and integrations to boost products and revenue.+100 Clients (Fiserv, UBER, Klaviyo, Shopify, Klarna…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 110 contacts → | ||||
Exact match “InsuredMine is the AI-powered CRM and System of Action built for independent insurance agencies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 102 contacts → | ||||
Exact match “For over 25 years, Gage has been providing advanced marketing technology and services to the world’s premier brands, helping them drive growth in sales, profits, and market share.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 101 contacts → | ||||
Exact match “Build brand love with our marketing automation platform.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 87 contacts → | ||||
Exact match “GrowthLoop is an agentic, composable CDP that drives compound growth by accelerating the marketing cycle, using AI powered by your enterprise cloud data.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 73 contacts → | ||||
Exact match “SharpSpring is a full-funnel marketing and sales automation platform that unites marketing and sales teams to launch and track targeted campaigns and personalize every interaction…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 69 contacts → | ||||
Exact match “Lead Liaison is an application development company that designs, develops, and sells cloud-based marketing and sales automation software.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 60 contacts → | ||||
Exact match “The time-saving CRM For sales and marketing teams who want to maximize efficiency and revenue, Nutshell is a CRM and marketing automation platform that saves time and accelerates…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 55 contacts → | ||||
Exact match “MAXA is the real estate and mortgage industry's #1 marketing center.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 53 contacts → | ||||
Exact match “Leadmetrics can redefine how brands grow.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “marketing automation api developers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 521 marketing automation api developers based in the United States
See the full list, filter by size, metro and specialty, and access 2,853 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Marketing automation api developers based in the United States at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 521 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “marketing automation api developers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 2,853 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Marketing automation api developers by metro
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “marketing automation api developers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many marketing automation api developers are there based in the United States?
RevenueBase identified 521 company matches for marketing automation api developers associated with the United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Intuit Mailchimp tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most marketing automation api developers?
New York leads with 27 company records, followed by Los Angeles (20) and San Francisco (18).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 2,853 professional contacts with verified work emails tracked across these 521 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 521 marketing automation api developers based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Marketing automation api developers by geography
- Marketing automation api developers based in London, United Kingdom
- Marketing automation api developers based in New York, United States
- Marketing automation api developers based in Australia
- Marketing automation api developers based in Brazil
- Marketing automation api developers based in Canada
- Marketing automation api developers based in France
- Marketing automation api developers based in Germany
- Marketing automation api developers based in India
- Marketing automation api developers based in the Netherlands
- Marketing automation api developers based in Poland
- Marketing automation api developers based in the United Kingdom
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Marketing automation api developers based in London, United Kingdom
- Marketing automation api developers based in New York, United States
- Marketing automation api developers based in Australia
- Marketing automation api developers based in Brazil
- Marketing automation api developers based in Canada
- Marketing automation api developers based in France
Company intelligence · public preview
Top 25 marketing automation api developers based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 521 matching company records for marketing automation api developers based in the United States, with 11,604 tracked contacts and 2,853 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 marketing automation api developers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Intuit Mailchimpmailchimp.comHQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 1,430 contacts → |
“The Mailchimpossibilities are endless when you create, automate, and optimize your marketing with Mailchimp.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Centrobasis.netHQ: Chicago, WA, United StatesReported employees: 501-1,000 | Chicago, WA, United States | 501-1,000 | Exact match | 1,259 contacts → |
“Basis Technologies is a global provider of workflow automation, intelligence and programmatic trading software for the marketing enterprise.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Activecampaignactivecampaign.comHQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 867 contacts → |
“ActiveCampaign is the AI-first autonomous marketing platform built to transform how marketers, agencies, and entrepreneurs work.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Optimoveoptimove.comHQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 582 contacts → |
“Optimove, the creator of Positionless Marketing, frees marketing teams from the limitations of fixed roles, giving every marketer the power to execute any marketing task instantly…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Adobe Marketomarketo.comHQ: San Jose, GA, United StatesReported employees: 1,001-5,000 | San Jose, GA, United States | 1,001-5,000 | Exact match | 573 contacts → |
“Adobe Marketo Engage offers the leading Engagement Platform that empowers marketers to build brand value, grow revenue, and prove impact.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  marketing.commarketing.comHQ: Eureka, MO, United StatesReported employees: 1,001-5,000 | Eureka, MO, United States | 1,001-5,000 | Exact match | 300 contacts → |
“From click to print and everything in between, we’re not changing marketing, just how it’s done.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Listraklistrak.comHQ: Lititz, PA, United StatesReported employees: 201-500 | Lititz, PA, United States | 201-500 | Exact match | 275 contacts → |
“Listrak is the person-first marketing automation platform that seamlessly integrates data, identity, and cross-channel messaging to power hyper-personalized customer experiences.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Warrior Pluswarriorplus.comHQ: Henderson, NV, United StatesReported employees: Not recorded | Henderson, NV, United States | Not recorded | Exact match | 270 contacts → |
“Best-in-class sales & marketing automation platform and marketplace for digital business owners and online marketers” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Act-On Softwareact-on.comHQ: Portland, OR, United StatesReported employees: 201-500 | Portland, OR, United States | 201-500 | Exact match | 219 contacts → |
“Act-On Software provides the innovative marketing automation platform for marketers who think big and act boldly.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Stiristastirista.comHQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 197 contacts → |
“Stirista is the only company that combines data, email, and digital execution to help clients acquire and retain customers by creating a data-driven, repeatable, and scalable…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Sendpulsesendpulse.comHQ: New York, United StatesReported employees: 51-200 | New York, United States | 51-200 | Exact match | 185 contacts → |
“SendPulse is an AI-driven marketing platform that helps scaling businesses automate email and chatbot conversations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Rightwaverightwave.comHQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 168 contacts → |
“RightWave provides Marketing Automation Services for B2B companies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Tapclickstapclicks.comHQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 160 contacts → |
“TapClicks, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Benchmark Emailbenchmarkemail.comHQ: St. Louis, MO, United StatesReported employees: 51-200 | St. Louis, MO, United States | 51-200 | Exact match | 121 contacts → |
“Benchmark helps busy marketers move faster and make a bigger impact with email.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  maino.aimaino.aiHQ: Dover County, DE, United StatesReported employees: 11-50 | Dover County, DE, United States | 11-50 | Exact match | 121 contacts → |
“At Maino, we promise to deliver the best ROI on every dollar spent on your Digital Growth journey.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Conexaconexa.aiHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 117 contacts → |
“Conexa is a Long-Term Tech Partner that develops custom solutions and integrations to boost products and revenue.+100 Clients (Fiserv, UBER, Klaviyo, Shopify, Klarna…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Insuredmineinsuredmine.comHQ: Richardson, TX, United StatesReported employees: 51-200 | Richardson, TX, United States | 51-200 | Exact match | 110 contacts → |
“InsuredMine is the AI-powered CRM and System of Action built for independent insurance agencies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  GAGEgage.comHQ: Minneapolis, WA, United StatesReported employees: 51-200 | Minneapolis, WA, United States | 51-200 | Exact match | 102 contacts → |
“For over 25 years, Gage has been providing advanced marketing technology and services to the world’s premier brands, helping them drive growth in sales, profits, and market share.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  DRIPdrip.comHQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 101 contacts → |
“Build brand love with our marketing automation platform.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Growthloopgrowthloop.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 87 contacts → |
“GrowthLoop is an agentic, composable CDP that drives compound growth by accelerating the marketing cycle, using AI powered by your enterprise cloud data.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Constant Contact Lead GEN & CRMconstantcontact.comHQ: Gainesville, FL, United StatesReported employees: 1,001-5,000 | Gainesville, FL, United States | 1,001-5,000 | Exact match | 73 contacts → |
“SharpSpring is a full-funnel marketing and sales automation platform that unites marketing and sales teams to launch and track targeted campaigns and personalize every interaction…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Lead Liaisonleadliaison.comHQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 69 contacts → |
“Lead Liaison is an application development company that designs, develops, and sells cloud-based marketing and sales automation software.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Nutshellnutshell.comHQ: Ann Arbor, MI, United StatesReported employees: 11-50 | Ann Arbor, MI, United States | 11-50 | Exact match | 60 contacts → |
“The time-saving CRM For sales and marketing teams who want to maximize efficiency and revenue, Nutshell is a CRM and marketing automation platform that saves time and accelerates…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Maxa Designsmaxadesigns.comHQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 55 contacts → |
“MAXA is the real estate and mortgage industry's #1 marketing center.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Leadmetricsleadmetrics.aiHQ: New York, United StatesReported employees: 11-50 | New York, United States | 11-50 | Exact match | 53 contacts → |
“Leadmetrics can redefine how brands grow.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 521 company matches
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Marketing automation api developers: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
521 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 521 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Marketing automation api developers by metro
Questions about this company list
What does Exact match mean for marketing automation api developers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many marketing automation api developers did RevenueBase find based in the United States?
The saved snapshot records 521 matching company records, 11,604 tracked contacts and 2,853 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Marketing automation api developers by geography
- Marketing automation api developers based in London, United Kingdom
- Marketing automation api developers based in New York, United States
- Marketing automation api developers based in Australia
- Marketing automation api developers based in Brazil
- Marketing automation api developers based in Canada
- Marketing automation api developers based in France
- Marketing automation api developers based in Germany
- Marketing automation api developers based in India
- Marketing automation api developers based in the Netherlands
- Marketing automation api developers based in Poland
- Marketing automation api developers based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 marketing automation api developers based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/marketing-automation-api-developers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Marketing automation api developers based in London, United Kingdom
- Marketing automation api developers based in New York, United States
- Marketing automation api developers based in Australia
- Marketing automation api developers based in Brazil
- Marketing automation api developers based in Canada
- Marketing automation api developers based in France
Company intelligence · public preview
Top 25 marketing automation api developers based in the United States
RevenueBase records 521 matching company records for marketing automation api developers based in the United States, with 11,604 tracked contacts and 2,853 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 marketing automation api developers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Intuit Mailchimpmailchimp.com HQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 1,430 contacts → |
“The Mailchimpossibilities are endless when you create, automate, and optimize your marketing with Mailchimp.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Centrobasis.net HQ: Chicago, WA, United StatesReported employees: 501-1,000 | Chicago, WA, United States | 501-1,000 | Exact match | 1,259 contacts → |
“Basis Technologies is a global provider of workflow automation, intelligence and programmatic trading software for the marketing enterprise.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Activecampaignactivecampaign.com HQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 867 contacts → |
“ActiveCampaign is the AI-first autonomous marketing platform built to transform how marketers, agencies, and entrepreneurs work.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Optimoveoptimove.com HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 582 contacts → |
“Optimove, the creator of Positionless Marketing, frees marketing teams from the limitations of fixed roles, giving every marketer the power to execute any marketing task instantly…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Adobe Marketomarketo.com HQ: San Jose, GA, United StatesReported employees: 1,001-5,000 | San Jose, GA, United States | 1,001-5,000 | Exact match | 573 contacts → |
“Adobe Marketo Engage offers the leading Engagement Platform that empowers marketers to build brand value, grow revenue, and prove impact.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | marketing.commarketing.com HQ: Eureka, MO, United StatesReported employees: 1,001-5,000 | Eureka, MO, United States | 1,001-5,000 | Exact match | 300 contacts → |
“From click to print and everything in between, we’re not changing marketing, just how it’s done.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Listraklistrak.com HQ: Lititz, PA, United StatesReported employees: 201-500 | Lititz, PA, United States | 201-500 | Exact match | 275 contacts → |
“Listrak is the person-first marketing automation platform that seamlessly integrates data, identity, and cross-channel messaging to power hyper-personalized customer experiences.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Warrior Pluswarriorplus.com HQ: Henderson, NV, United StatesReported employees: Not recorded | Henderson, NV, United States | Not recorded | Exact match | 270 contacts → |
“Best-in-class sales & marketing automation platform and marketplace for digital business owners and online marketers” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Act-On Softwareact-on.com HQ: Portland, OR, United StatesReported employees: 201-500 | Portland, OR, United States | 201-500 | Exact match | 219 contacts → |
“Act-On Software provides the innovative marketing automation platform for marketers who think big and act boldly.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Stiristastirista.com HQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 197 contacts → |
“Stirista is the only company that combines data, email, and digital execution to help clients acquire and retain customers by creating a data-driven, repeatable, and scalable…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Sendpulsesendpulse.com HQ: New York, United StatesReported employees: 51-200 | New York, United States | 51-200 | Exact match | 185 contacts → |
“SendPulse is an AI-driven marketing platform that helps scaling businesses automate email and chatbot conversations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Rightwaverightwave.com HQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 168 contacts → |
“RightWave provides Marketing Automation Services for B2B companies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Tapclickstapclicks.com HQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 160 contacts → |
“TapClicks, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Benchmark Emailbenchmarkemail.com HQ: St. Louis, MO, United StatesReported employees: 51-200 | St. Louis, MO, United States | 51-200 | Exact match | 121 contacts → |
“Benchmark helps busy marketers move faster and make a bigger impact with email.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | maino.aimaino.ai HQ: Dover County, DE, United StatesReported employees: 11-50 | Dover County, DE, United States | 11-50 | Exact match | 121 contacts → |
“At Maino, we promise to deliver the best ROI on every dollar spent on your Digital Growth journey.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Conexaconexa.ai HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 117 contacts → |
“Conexa is a Long-Term Tech Partner that develops custom solutions and integrations to boost products and revenue.+100 Clients (Fiserv, UBER, Klaviyo, Shopify, Klarna…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Insuredmineinsuredmine.com HQ: Richardson, TX, United StatesReported employees: 51-200 | Richardson, TX, United States | 51-200 | Exact match | 110 contacts → |
“InsuredMine is the AI-powered CRM and System of Action built for independent insurance agencies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | GAGEgage.com HQ: Minneapolis, WA, United StatesReported employees: 51-200 | Minneapolis, WA, United States | 51-200 | Exact match | 102 contacts → |
“For over 25 years, Gage has been providing advanced marketing technology and services to the world’s premier brands, helping them drive growth in sales, profits, and market share.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | DRIPdrip.com HQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 101 contacts → |
“Build brand love with our marketing automation platform.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Growthloopgrowthloop.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 87 contacts → |
“GrowthLoop is an agentic, composable CDP that drives compound growth by accelerating the marketing cycle, using AI powered by your enterprise cloud data.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Constant Contact Lead GEN & CRMconstantcontact.com HQ: Gainesville, FL, United StatesReported employees: 1,001-5,000 | Gainesville, FL, United States | 1,001-5,000 | Exact match | 73 contacts → |
“SharpSpring is a full-funnel marketing and sales automation platform that unites marketing and sales teams to launch and track targeted campaigns and personalize every interaction…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Lead Liaisonleadliaison.com HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 69 contacts → |
“Lead Liaison is an application development company that designs, develops, and sells cloud-based marketing and sales automation software.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Nutshellnutshell.com HQ: Ann Arbor, MI, United StatesReported employees: 11-50 | Ann Arbor, MI, United States | 11-50 | Exact match | 60 contacts → |
“The time-saving CRM For sales and marketing teams who want to maximize efficiency and revenue, Nutshell is a CRM and marketing automation platform that saves time and accelerates…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Maxa Designsmaxadesigns.com HQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 55 contacts → |
“MAXA is the real estate and mortgage industry's #1 marketing center.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Leadmetricsleadmetrics.ai HQ: New York, United StatesReported employees: 11-50 | New York, United States | 11-50 | Exact match | 53 contacts → |
“Leadmetrics can redefine how brands grow.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 521 company matches
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Marketing automation api developers: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
521 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 521 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Marketing automation api developers by metro
Questions about this company list
What does Exact match mean for marketing automation api developers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many marketing automation api developers did RevenueBase find based in the United States?
The saved snapshot records 521 matching company records, 11,604 tracked contacts and 2,853 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Marketing automation api developers by geography
- Marketing automation api developers based in London, United Kingdom
- Marketing automation api developers based in New York, United States
- Marketing automation api developers based in Australia
- Marketing automation api developers based in Brazil
- Marketing automation api developers based in Canada
- Marketing automation api developers based in France
- Marketing automation api developers based in Germany
- Marketing automation api developers based in India
- Marketing automation api developers based in the Netherlands
- Marketing automation api developers based in Poland
- Marketing automation api developers based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 marketing automation api developers based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/marketing-automation-api-developers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Marketing automation api developers based in London, United Kingdom
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- Marketing automation api developers based in Brazil
- Marketing automation api developers based in Canada
- Marketing automation api developers based in France