Company lists · Data refreshed October 2026
Top 21 Api design software companies based in the United States
RevenueBase identified 52 company matches for api design software companies associated with the United States as of October 2026 and tracks 2,921 professional contacts across them, including 728 with verified work emails. San Francisco is the largest hub.
This list covers company matches for api design software companies 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 19, 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 21 largest api design software companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,406 contacts → | ||||
Exact match “Postman is the world’s leading API platform.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 2 | 63 contacts → | ||||
Exact match “At last, API docs you can be proud of!” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 3 | 42 contacts → | ||||
Exact match “Layer7 API Security To get maximum value from data, your enterprise needs to seamlessly connect with mobile apps, cloud services and the Internet of Things.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 4 | 37 contacts → | ||||
Exact match “Input OpenAPI.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 5 | 22 contacts → | ||||
Exact match “Treblle is an API Intelligence platform that empowers companies looking to connect the dots between APIs and their business development.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 6 | 16 contacts → | ||||
Exact match “Achieve Internet is a leading enterprise software solution provider with over 20 years of development experience.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 7 | 14 contacts → | ||||
Exact match “apiplatform.io is a trusted digital economy, API strategy & lifecycle partner advancing innovation & productivity.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 8 | 4 contacts → | ||||
Exact match “The API Guys provides high-quality, affordable API integrations and custom programming to businesses so that they can have their data just the way they want it.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 9 | 3 contacts → | ||||
Exact match “We provide a rich set of scalable, domain-agnostic APIs to help reduce Time to Market for your software systems.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 10 | 3 contacts → | ||||
Exact match “Fine Mountain Consulting wants to be a partner in your success.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 11 | 3 contacts → | ||||
Exact match “Built with the modern API workflow in mind, Stoplight, a SmartBear company, brings an intuitive interface and thoughtful features to power your complete API design lifecycle.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 12 | 3 contacts → | ||||
Exact match “znerg IT Consulting LLC is an information technology company dedicated to creating high-quality software with the ultimate goal of helping our customers be more successful in…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 13 | 2 contacts → | ||||
Exact match “APIs for enterprise portals that don't have one.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 14 | 2 contacts → | ||||
Exact match “Effortless API Security” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 15 | 2 contacts → | ||||
Exact match “Making APIs simple and intuitive for those building the tools, apps, and technologies of our time.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 16 | 2 contacts → | ||||
Exact match “Caxiam is a software design and engineering company focused on web-based products and platforms.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 17 | 1 contacts → | ||||
Exact match “Software Architecture - Rapid Prototyping - API Design and Integration - Database Administration - Performance profiling - Error solutioning” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 18 | 1 contacts → | ||||
Exact match “Data AnyWare specializes in building custom, business-focused web and mobile applications to run your business and serve your customers.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 19 | 1 contacts → | ||||
Exact match “Helping companies and developers create next generation APIs.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 20 | 1 contacts → | ||||
Exact match “It's crazy how many companies run their businesses off Excel when creating world class custom software is feasible.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 21 | 1 contacts → | ||||
Exact match “RepreZen API Studio is the first enterprise-class API design platform, built from the ground up to meet the demands of large-scale integration programs.” Recorded in the RevenueBase company graph · Oct 19, 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 “api design software companies”. 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 21 of 52 api design software companies based in the United States
See the full list, filter by size, metro and specialty, and access 728 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Api design software companies based in the United States at a glance
As of Oct 19, 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 52 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 “api design software companies” 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 728 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 19, 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 “api design software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many api design software companies are there based in the United States?
RevenueBase identified 52 company matches for api design software companies 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?
Postman tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most api design software companies?
San Francisco leads with 9 company records, followed by New York (3) and Austin (2).
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 728 professional contacts with verified work emails tracked across these 52 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 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 52 api design software companies 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.
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Company intelligence · public preview
Top 21 api design software companies 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 52 matching company records for api design software companies based in the United States, with 2,921 tracked contacts and 728 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 19, 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 21 api design software companies 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 |  Postmanpostman.comHQ: San Francisco, CA, United StatesReported employees: 501-1,000 | San Francisco, CA, United States | 501-1,000 | Exact match | 2,406 contacts → |
“Postman is the world’s leading API platform.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Redoclyredocly.comHQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 63 contacts → |
“At last, API docs you can be proud of!” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Layer7 API Securitybroadcom.comHQ: San Jose, CA, United StatesReported employees: Not recorded | San Jose, CA, United States | Not recorded | Exact match | 42 contacts → |
“Layer7 API Security To get maximum value from data, your enterprise needs to seamlessly connect with mobile apps, cloud services and the Internet of Things.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  FERNbuildwithfern.comHQ: Brooklyn, United StatesReported employees: 11-50 | Brooklyn, United States | 11-50 | Exact match | 37 contacts → |
“Input OpenAPI.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Treblletreblle.comHQ: Wilmington, DE, United StatesReported employees: 11-50 | Wilmington, DE, United States | 11-50 | Exact match | 22 contacts → |
“Treblle is an API Intelligence platform that empowers companies looking to connect the dots between APIs and their business development.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Achieve Internetachieveinternet.comHQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 16 contacts → |
“Achieve Internet is a leading enterprise software solution provider with over 20 years of development experience.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  API Platform INCapiplatform.ioHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 14 contacts → |
“apiplatform.io is a trusted digital economy, API strategy & lifecycle partner advancing innovation & productivity.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | The API Guystheapiguys.com HQ: Brookline, MA, United StatesReported employees: 1-10 | Brookline, MA, United States | 1-10 | Exact match | 4 contacts → |
“The API Guys provides high-quality, affordable API integrations and custom programming to businesses so that they can have their data just the way they want it.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Snowpalproducts.snowpal.comHQ: Ashburn, VA, United StatesReported employees: 1-10 | Ashburn, VA, United States | 1-10 | Exact match | 3 contacts → |
“We provide a rich set of scalable, domain-agnostic APIs to help reduce Time to Market for your software systems.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Fine Mountain Consultingfinemountainconsulting.com HQ: Erie, CO, United StatesReported employees: 1-10 | Erie, CO, United States | 1-10 | Exact match | 3 contacts → |
“Fine Mountain Consulting wants to be a partner in your success.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Stoplight A Smartbear Companystoplight.io HQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 3 contacts → |
“Built with the modern API workflow in mind, Stoplight, a SmartBear company, brings an intuitive interface and thoughtful features to power your complete API design lifecycle.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Znerg IT Consultingznerg.comHQ: Addison, TX, United StatesReported employees: 11-50 | Addison, TX, United States | 11-50 | Exact match | 3 contacts → |
“znerg IT Consulting LLC is an information technology company dedicated to creating high-quality software with the ultimate goal of helping our customers be more successful in…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Supergoodsupergood.aiHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 2 contacts → |
“APIs for enterprise portals that don't have one.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  METLOmetlo.comHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 2 contacts → |
“Effortless API Security” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Httpiehttpie.ioHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 2 contacts → |
“Making APIs simple and intuitive for those building the tools, apps, and technologies of our time.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Caxiamcaxiam.comHQ: Orlando, FL, United StatesReported employees: 1-10 | Orlando, FL, United States | 1-10 | Exact match | 2 contacts → |
“Caxiam is a software design and engineering company focused on web-based products and platforms.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Micker Studiosmickerstudios.comHQ: Manhattan, United StatesReported employees: 1-10 | Manhattan, United States | 1-10 | Exact match | 1 contacts → |
“Software Architecture - Rapid Prototyping - API Design and Integration - Database Administration - Performance profiling - Error solutioning” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Data Anyware, INCdata-anyware.com HQ: Chapel Hill, United StatesReported employees: 1-10 | Chapel Hill, United States | 1-10 | Exact match | 1 contacts → |
“Data AnyWare specializes in building custom, business-focused web and mobile applications to run your business and serve your customers.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Graphenegraphene.tools HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 1 contacts → |
“Helping companies and developers create next generation APIs.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Bridge Software Technologiesbridgesoftwaretechnologies.com HQ: Mason, OH, United StatesReported employees: 1-10 | Mason, OH, United States | 1-10 | Exact match | 1 contacts → |
“It's crazy how many companies run their businesses off Excel when creating world class custom software is feasible.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Reprezenreprezen.comHQ: Dobbs Ferry, NY, United StatesReported employees: 1-10 | Dobbs Ferry, NY, United States | 1-10 | Exact match | 1 contacts → |
“RepreZen API Studio is the first enterprise-class API design platform, built from the ground up to meet the demands of large-scale integration programs.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 52 company matches
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Api design software companies: dataset insights
October 19, 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
52 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 52 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 19, 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 api design software companies?
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 api design software companies did RevenueBase find based in the United States?
The saved snapshot records 52 matching company records, 2,921 tracked contacts and 728 verified emails. The public preview displays 21 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 19, 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
Cite this list
RevenueBase Data Team. Top 21 api design software companies based in the United States. Snapshot: October 19, 2026. https://revenuebase.ai/companies/api-design-software-companies/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
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
- Real estate companies based in the United States
Company intelligence · public preview
Top 21 api design software companies based in the United States
RevenueBase records 52 matching company records for api design software companies based in the United States, with 2,921 tracked contacts and 728 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 19, 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 21 api design software companies 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 | Postmanpostman.com HQ: San Francisco, CA, United StatesReported employees: 501-1,000 | San Francisco, CA, United States | 501-1,000 | Exact match | 2,406 contacts → |
“Postman is the world’s leading API platform.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Redoclyredocly.com HQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 63 contacts → |
“At last, API docs you can be proud of!” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Layer7 API Securitybroadcom.com HQ: San Jose, CA, United StatesReported employees: Not recorded | San Jose, CA, United States | Not recorded | Exact match | 42 contacts → |
“Layer7 API Security To get maximum value from data, your enterprise needs to seamlessly connect with mobile apps, cloud services and the Internet of Things.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | FERNbuildwithfern.com HQ: Brooklyn, United StatesReported employees: 11-50 | Brooklyn, United States | 11-50 | Exact match | 37 contacts → |
“Input OpenAPI.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Treblletreblle.com HQ: Wilmington, DE, United StatesReported employees: 11-50 | Wilmington, DE, United States | 11-50 | Exact match | 22 contacts → |
“Treblle is an API Intelligence platform that empowers companies looking to connect the dots between APIs and their business development.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Achieve Internetachieveinternet.com HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 16 contacts → |
“Achieve Internet is a leading enterprise software solution provider with over 20 years of development experience.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | API Platform INCapiplatform.io HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 14 contacts → |
“apiplatform.io is a trusted digital economy, API strategy & lifecycle partner advancing innovation & productivity.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | The API Guystheapiguys.com HQ: Brookline, MA, United StatesReported employees: 1-10 | Brookline, MA, United States | 1-10 | Exact match | 4 contacts → |
“The API Guys provides high-quality, affordable API integrations and custom programming to businesses so that they can have their data just the way they want it.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Snowpalproducts.snowpal.com HQ: Ashburn, VA, United StatesReported employees: 1-10 | Ashburn, VA, United States | 1-10 | Exact match | 3 contacts → |
“We provide a rich set of scalable, domain-agnostic APIs to help reduce Time to Market for your software systems.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Fine Mountain Consultingfinemountainconsulting.com HQ: Erie, CO, United StatesReported employees: 1-10 | Erie, CO, United States | 1-10 | Exact match | 3 contacts → |
“Fine Mountain Consulting wants to be a partner in your success.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Stoplight A Smartbear Companystoplight.io HQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 3 contacts → |
“Built with the modern API workflow in mind, Stoplight, a SmartBear company, brings an intuitive interface and thoughtful features to power your complete API design lifecycle.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Znerg IT Consultingznerg.com HQ: Addison, TX, United StatesReported employees: 11-50 | Addison, TX, United States | 11-50 | Exact match | 3 contacts → |
“znerg IT Consulting LLC is an information technology company dedicated to creating high-quality software with the ultimate goal of helping our customers be more successful in…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Supergoodsupergood.ai HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 2 contacts → |
“APIs for enterprise portals that don't have one.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | METLOmetlo.com HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 2 contacts → |
“Effortless API Security” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Httpiehttpie.io HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 2 contacts → |
“Making APIs simple and intuitive for those building the tools, apps, and technologies of our time.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Caxiamcaxiam.com HQ: Orlando, FL, United StatesReported employees: 1-10 | Orlando, FL, United States | 1-10 | Exact match | 2 contacts → |
“Caxiam is a software design and engineering company focused on web-based products and platforms.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Micker Studiosmickerstudios.com HQ: Manhattan, United StatesReported employees: 1-10 | Manhattan, United States | 1-10 | Exact match | 1 contacts → |
“Software Architecture - Rapid Prototyping - API Design and Integration - Database Administration - Performance profiling - Error solutioning” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Data Anyware, INCdata-anyware.com HQ: Chapel Hill, United StatesReported employees: 1-10 | Chapel Hill, United States | 1-10 | Exact match | 1 contacts → |
“Data AnyWare specializes in building custom, business-focused web and mobile applications to run your business and serve your customers.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Graphenegraphene.tools HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 1 contacts → |
“Helping companies and developers create next generation APIs.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Bridge Software Technologiesbridgesoftwaretechnologies.com HQ: Mason, OH, United StatesReported employees: 1-10 | Mason, OH, United States | 1-10 | Exact match | 1 contacts → |
“It's crazy how many companies run their businesses off Excel when creating world class custom software is feasible.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Reprezenreprezen.com HQ: Dobbs Ferry, NY, United StatesReported employees: 1-10 | Dobbs Ferry, NY, United States | 1-10 | Exact match | 1 contacts → |
“RepreZen API Studio is the first enterprise-class API design platform, built from the ground up to meet the demands of large-scale integration programs.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 52 company matches
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Api design software companies: dataset insights
October 19, 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
52 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 52 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 19, 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 api design software companies?
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 api design software companies did RevenueBase find based in the United States?
The saved snapshot records 52 matching company records, 2,921 tracked contacts and 728 verified emails. The public preview displays 21 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 19, 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
Cite this list
RevenueBase Data Team. Top 21 api design software companies based in the United States. Snapshot: October 19, 2026. https://revenuebase.ai/companies/api-design-software-companies/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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