Company lists · Data refreshed October 2026
Top 25 Marketing automation api developers based in the United States
RevenueBase identified 286 company matches for marketing automation api developers associated with the United States as of October 2026 and tracks 6,883 professional contacts across them, including 1,716 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 October 18, 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 | 1,395 contacts → | ||||
Exact match “The Mailchimpossibilities are endless when you create, automate, and optimize your marketing with Mailchimp.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 2 | 1,208 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 · Oct 18, 2026 · View company records in RevenueBase | |||||
| 3 | 855 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 · Oct 18, 2026 · View company records in RevenueBase | |||||
| 4 | 577 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 · Oct 18, 2026 · View company records in RevenueBase | |||||
| 5 | 217 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 · Oct 18, 2026 · View company records in RevenueBase | |||||
| 6 | 178 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 · Oct 18, 2026 · View company records in RevenueBase | |||||
| 7 | 163 contacts → | ||||
Exact match “RightWave provides Marketing Automation Services for B2B companies.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 8 | 114 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 · Oct 18, 2026 · View company records in RevenueBase | |||||
| 9 | 111 contacts → | ||||
Exact match “Plataforma de Marketing Multicanal, simple y potenciado por IA.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 10 | 100 contacts → | ||||
Exact match “Build brand love with our marketing automation platform.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 11 | 88 contacts → | ||||
Exact match “GrowthLoop is a Compound Marketing Engine that drives compound growth by accelerating the marketing cycle, using Agentic AI powered by your enterprise cloud data.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 12 | 54 contacts → | ||||
Exact match “MAXA is the real estate and mortgage industry's #1 marketing center.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 13 | 53 contacts → | ||||
Exact match “EngageBay offers innovative AI-powered marketing and sales tools designed for small to medium-sized businesses.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 14 | 43 contacts → | ||||
Exact match “InfiniteChoice was founded on the belief that the innovative use of technology and automation can unlock greater choice and better experiences for customers and partners.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 15 | 42 contacts → | ||||
Exact match “Hi, we're Scalero.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 16 | 41 contacts → | ||||
Exact match “Sendcrux labs is building sales and marketing automation tools to help organisations to achieve the following goals cost-effectively- Boost revenues- Lead Generation- Nurture…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 17 | 32 contacts → | ||||
Exact match “Where growth meets automation - Automated Marketing Cloud Company - We help you grow you revenue and improve your operations using automations, integrations and growth marketing…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 18 | 31 contacts → | ||||
Exact match “Pardot is B2B Marketing Automation by Salesforce that allows marketing and sales teams to create, deploy, and manage online marketing campaigns that increase revenue and maximize…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 19 | 28 contacts → | ||||
Exact match “SocialPulsar is an award-winning digital marketing - marketing automation company headquartered in San Francisco, Ca.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 20 | 27 contacts → | ||||
Exact match “Conversion is the agentic marketing automation platform built for B2B teams that want to move faster than their stack allows.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 21 | 26 contacts → | ||||
Exact match “VBOUT is an AI-Enabled Marketing Platform that helps agencies and marketers grow with 14+ powerful marketing tools, integrated AI features, powerful automations, deep e-commerce…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 22 | 25 contacts → | ||||
Exact match “With Volly’s Marketing Automation Suite you can more easily capture, convert, and retain customers.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 23 | 25 contacts → | ||||
Exact match “Mailmunch is the one-stop lead generation and marketing platform that allows you to grow your business with lead capture and email automation tools to reach your audience with a…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 24 | 23 contacts → | ||||
Exact match “Tenon connects marketing automation with ServiceNow to complete the CRM lifecycle, ensuring seamless alignment across marketing, sales, and service.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 25 | 22 contacts → | ||||
Exact match “Scrollmark is changing social media marketing with our cutting-edge automation platform.” Recorded in the RevenueBase company graph · Oct 18, 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 286 marketing automation api developers based in the United States
See the full list, filter by size, metro and specialty, and access 1,716 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 Oct 18, 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 286 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 1,716 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 October 18, 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.
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 286 company matches for marketing automation api developers associated with the United States as of October 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 15 company records, followed by Los Angeles (12) and San Francisco (9).
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 1,716 professional contacts with verified work emails tracked across these 286 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 October 18, 2026.
Ready to reach these companies? Verified emails and direct dials for all 286 marketing automation api developers based in the United States. Start with a free account, no credit card.
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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
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- Marketing automation api developers based in Australia
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- Marketing automation api developers based in the Netherlands
- Marketing automation api developers based in the United Kingdom
- AI companies based in the United States
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 286 matching company records for marketing automation api developers based in the United States, with 6,883 tracked contacts and 1,716 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: October 18, 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 | HQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 1,395 contacts → |
“The Mailchimpossibilities are endless when you create, automate, and optimize your marketing with Mailchimp.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Chicago, IL, United StatesReported employees: 501-1,000 | Chicago, IL, United States | 501-1,000 | Exact match | 1,208 contacts → |
“Basis Technologies is a global provider of workflow automation, intelligence and programmatic trading software for the marketing enterprise.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 855 contacts → |
“ActiveCampaign is the AI-first autonomous marketing platform built to transform how marketers, agencies, and entrepreneurs work.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: San Jose, CA, United StatesReported employees: 1,001-5,000 | San Jose, CA, United States | 1,001-5,000 | Exact match | 577 contacts → |
“Adobe Marketo Engage offers the leading Engagement Platform that empowers marketers to build brand value, grow revenue, and prove impact.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Portland, OR, United StatesReported employees: 201-500 | Portland, OR, United States | 201-500 | Exact match | 217 contacts → |
“Act-On Software provides the innovative marketing automation platform for marketers who think big and act boldly.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: New York, United StatesReported employees: 51-200 | New York, United States | 51-200 | Exact match | 178 contacts → |
“SendPulse is an AI-driven marketing platform that helps scaling businesses automate email and chatbot conversations.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 163 contacts → |
“RightWave provides Marketing Automation Services for B2B companies.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Dover County, DE, United StatesReported employees: 11-50 | Dover County, DE, United States | 11-50 | Exact match | 114 contacts → |
“At Maino, we promise to deliver the best ROI on every dollar spent on your Digital Growth journey.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 111 contacts → |
“Plataforma de Marketing Multicanal, simple y potenciado por IA.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 100 contacts → |
“Build brand love with our marketing automation platform.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: New York, IL, United StatesReported employees: 51-200 | New York, IL, United States | 51-200 | Exact match | 88 contacts → |
“GrowthLoop is a Compound Marketing Engine that drives compound growth by accelerating the marketing cycle, using Agentic AI powered by your enterprise cloud data.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 54 contacts → |
“MAXA is the real estate and mortgage industry's #1 marketing center.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Wilmington, DE, United StatesReported employees: 51-200 | Wilmington, DE, United States | 51-200 | Exact match | 53 contacts → |
“EngageBay offers innovative AI-powered marketing and sales tools designed for small to medium-sized businesses.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 43 contacts → |
“InfiniteChoice was founded on the belief that the innovative use of technology and automation can unlock greater choice and better experiences for customers and partners.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 42 contacts → |
“Hi, we're Scalero.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Green Cove Springs, FL, United StatesReported employees: 51-200 | Green Cove Springs, FL, United States | 51-200 | Exact match | 41 contacts → |
“Sendcrux labs is building sales and marketing automation tools to help organisations to achieve the following goals cost-effectively- Boost revenues- Lead Generation- Nurture…” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: North Miami, FL, United StatesReported employees: 11-50 | North Miami, FL, United States | 11-50 | Exact match | 32 contacts → |
“Where growth meets automation - Automated Marketing Cloud Company - We help you grow you revenue and improve your operations using automations, integrations and growth marketing…” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 31 contacts → |
“Pardot is B2B Marketing Automation by Salesforce that allows marketing and sales teams to create, deploy, and manage online marketing campaigns that increase revenue and maximize…” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 28 contacts → |
“SocialPulsar is an award-winning digital marketing - marketing automation company headquartered in San Francisco, Ca.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 27 contacts → |
“Conversion is the agentic marketing automation platform built for B2B teams that want to move faster than their stack allows.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 26 contacts → |
“VBOUT is an AI-Enabled Marketing Platform that helps agencies and marketers grow with 14+ powerful marketing tools, integrated AI features, powerful automations, deep e-commerce…” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Woburn, MA, United StatesReported employees: 51-200 | Woburn, MA, United States | 51-200 | Exact match | 25 contacts → |
“With Volly’s Marketing Automation Suite you can more easily capture, convert, and retain customers.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 25 contacts → |
“Mailmunch is the one-stop lead generation and marketing platform that allows you to grow your business with lead capture and email automation tools to reach your audience with a…” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Indianapolis, IN, United StatesReported employees: 11-50 | Indianapolis, IN, United States | 11-50 | Exact match | 23 contacts → |
“Tenon connects marketing automation with ServiceNow to complete the CRM lifecycle, ensuring seamless alignment across marketing, sales, and service.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Milpitas, United StatesReported employees: 11-50 | Milpitas, United States | 11-50 | Exact match | 22 contacts → |
“Scrollmark is changing social media marketing with our cutting-edge automation platform.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 286 company matches
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Marketing automation api developers: dataset insights
October 18, 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
286 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 286 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: October 18, 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 ↗
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 286 matching company records, 6,883 tracked contacts and 1,716 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: October 18, 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
Cite this list
RevenueBase Data Team. Top 25 marketing automation api developers based in the United States. Snapshot: October 18, 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 Australia
- Marketing automation api developers based in Canada
- Marketing automation api developers based in India
- Marketing automation api developers based in the Netherlands
- Marketing automation api developers based in the United Kingdom
- AI companies based in the United States
Company intelligence · public preview
Top 25 marketing automation api developers based in the United States
RevenueBase records 286 matching company records for marketing automation api developers based in the United States, with 6,883 tracked contacts and 1,716 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: October 18, 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 | HQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 1,395 contacts → |
“The Mailchimpossibilities are endless when you create, automate, and optimize your marketing with Mailchimp.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Chicago, IL, United StatesReported employees: 501-1,000 | Chicago, IL, United States | 501-1,000 | Exact match | 1,208 contacts → |
“Basis Technologies is a global provider of workflow automation, intelligence and programmatic trading software for the marketing enterprise.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 855 contacts → |
“ActiveCampaign is the AI-first autonomous marketing platform built to transform how marketers, agencies, and entrepreneurs work.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: San Jose, CA, United StatesReported employees: 1,001-5,000 | San Jose, CA, United States | 1,001-5,000 | Exact match | 577 contacts → |
“Adobe Marketo Engage offers the leading Engagement Platform that empowers marketers to build brand value, grow revenue, and prove impact.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Portland, OR, United StatesReported employees: 201-500 | Portland, OR, United States | 201-500 | Exact match | 217 contacts → |
“Act-On Software provides the innovative marketing automation platform for marketers who think big and act boldly.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: New York, United StatesReported employees: 51-200 | New York, United States | 51-200 | Exact match | 178 contacts → |
“SendPulse is an AI-driven marketing platform that helps scaling businesses automate email and chatbot conversations.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 163 contacts → |
“RightWave provides Marketing Automation Services for B2B companies.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Dover County, DE, United StatesReported employees: 11-50 | Dover County, DE, United States | 11-50 | Exact match | 114 contacts → |
“At Maino, we promise to deliver the best ROI on every dollar spent on your Digital Growth journey.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 111 contacts → |
“Plataforma de Marketing Multicanal, simple y potenciado por IA.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 100 contacts → |
“Build brand love with our marketing automation platform.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: New York, IL, United StatesReported employees: 51-200 | New York, IL, United States | 51-200 | Exact match | 88 contacts → |
“GrowthLoop is a Compound Marketing Engine that drives compound growth by accelerating the marketing cycle, using Agentic AI powered by your enterprise cloud data.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 54 contacts → |
“MAXA is the real estate and mortgage industry's #1 marketing center.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Wilmington, DE, United StatesReported employees: 51-200 | Wilmington, DE, United States | 51-200 | Exact match | 53 contacts → |
“EngageBay offers innovative AI-powered marketing and sales tools designed for small to medium-sized businesses.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 43 contacts → |
“InfiniteChoice was founded on the belief that the innovative use of technology and automation can unlock greater choice and better experiences for customers and partners.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 42 contacts → |
“Hi, we're Scalero.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Green Cove Springs, FL, United StatesReported employees: 51-200 | Green Cove Springs, FL, United States | 51-200 | Exact match | 41 contacts → |
“Sendcrux labs is building sales and marketing automation tools to help organisations to achieve the following goals cost-effectively- Boost revenues- Lead Generation- Nurture…” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: North Miami, FL, United StatesReported employees: 11-50 | North Miami, FL, United States | 11-50 | Exact match | 32 contacts → |
“Where growth meets automation - Automated Marketing Cloud Company - We help you grow you revenue and improve your operations using automations, integrations and growth marketing…” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 31 contacts → |
“Pardot is B2B Marketing Automation by Salesforce that allows marketing and sales teams to create, deploy, and manage online marketing campaigns that increase revenue and maximize…” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 28 contacts → |
“SocialPulsar is an award-winning digital marketing - marketing automation company headquartered in San Francisco, Ca.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 27 contacts → |
“Conversion is the agentic marketing automation platform built for B2B teams that want to move faster than their stack allows.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 26 contacts → |
“VBOUT is an AI-Enabled Marketing Platform that helps agencies and marketers grow with 14+ powerful marketing tools, integrated AI features, powerful automations, deep e-commerce…” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Woburn, MA, United StatesReported employees: 51-200 | Woburn, MA, United States | 51-200 | Exact match | 25 contacts → |
“With Volly’s Marketing Automation Suite you can more easily capture, convert, and retain customers.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 25 contacts → |
“Mailmunch is the one-stop lead generation and marketing platform that allows you to grow your business with lead capture and email automation tools to reach your audience with a…” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Indianapolis, IN, United StatesReported employees: 11-50 | Indianapolis, IN, United States | 11-50 | Exact match | 23 contacts → |
“Tenon connects marketing automation with ServiceNow to complete the CRM lifecycle, ensuring seamless alignment across marketing, sales, and service.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Milpitas, United StatesReported employees: 11-50 | Milpitas, United States | 11-50 | Exact match | 22 contacts → |
“Scrollmark is changing social media marketing with our cutting-edge automation platform.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 286 company matches
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Marketing automation api developers: dataset insights
October 18, 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
286 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 286 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: October 18, 2026.
Publisher-reported method study
The published RevenueBase SmartSearch benchmark
86% good or better at Exact
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. It reports 86% of Exact matches judged good or better, and 77% for a 240-pair sample of one- or two-word categories. This evaluates the method across study queries rather than auditing this individual list.
Read the study and full methodology ↗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 ↗
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 286 matching company records, 6,883 tracked contacts and 1,716 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: October 18, 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
Cite this list
RevenueBase Data Team. Top 25 marketing automation api developers based in the United States. Snapshot: October 18, 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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