Company lists · Data refreshed November 2026

Top 25 Api service providers based in the United States

RevenueBase identified 67 company matches for api service providers associated with the United States as of November 2026 and tracks 3,045 professional contacts across them, including 889 with verified work emails. San Francisco is the largest hub.

This list covers company matches for api service providers 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
67Companies
3,045Contacts tracked
889Verified emails
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The 25 largest api service providers based in the United States

Ranked by team size
Top 25 of 67 company matches for api service providers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026501-1,0002,512 contacts →

Exact match

“Postman is the world’s leading API platform.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202651-200117 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
3Exact matchSan Jose, CA, United StatesHQ recorded Nov 6, 2026n/a39 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 · Nov 6, 2026 · View company records in RevenueBase
4Exact matchRemote, United StatesHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“Discover, Connect And Manage APIs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“DaaS was founded on the principle that nobody - no matter their level of technical expertise, should be excluded from competing in a 21st-century marketplace.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBeaverton, OR, United StatesHQ recorded Nov 6, 20261-1012 contacts →

Exact match

“With Truto, you can whip up any API integration fast using one simple API.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBridgewater, NJ, United StatesHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Today it has become critical for companies to be agile in adopting to customer needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSan Tan Valley, AZ, United StatesHQ recorded Nov 6, 202611-508 contacts →

Exact match

“CreatanAPI is the company behind PromoLink, the end-to-end platform that manages your entire promo workflow.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchNew York, NY, United StatesHQ recorded Nov 6, 20261-106 contacts →

Exact match

“At DataTree, we don’t just deliver tech solutions-we become your strategic partner in innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchFrisco, TX, United StatesHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Integration | APIs | Automation”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBrookline, MA, United StatesHQ recorded Nov 6, 20261-104 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 · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202611-504 contacts →

Exact match

“Generate fast, reliable APIs for any platform.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchErie, CO, United StatesHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Fine Mountain Consulting wants to be a partner in your success.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchAnn Arbor, United StatesHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Metagrate helps businesses thrive by seamlessly combining AI, integrations, automations, and API engineering.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchHerndon, VA, United StatesHQ recorded Nov 6, 202611-502 contacts →

Exact match

“In an era where APIs are pivotal across industries and solutions, Revenium (formerly HyperCurrent) accelerates digital product delivery, revenue generation, and ROI.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSpring Arbor Township, MI, United StatesHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Codifi is a uniquely qualified team of passionate, professional developers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchChandler, AZ, United StatesHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Think Genius LLC is a company founded by Dustin Holdiman specifically to create custom tailored web based applications and consultation services to companies in the e-commerce…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchBrooklyn, NY, United StatesHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Have an idea for a web or mobile application?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchOrlando, FL, United StatesHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Caxiam is a software design and engineering company focused on web-based products and platforms.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchPhoenix, AZ, United StatesHQ recorded Nov 6, 20261-102 contacts →

Exact match

“A transformative organization offering a spectrum of services, including API solutions, integrated cloud platforms, media strategies, loyalty frameworks, and digital innovations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchBeaverton, OR, United StatesHQ recorded Nov 6, 20261-102 contacts →

Exact match

“We're an engineering company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchRemote, United StatesHQ recorded Nov 6, 20261-101 contacts →

Exact match

“I’m a product expert in APIs & integrations, helping leaders make critical decisions to save time and money.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchDobbs Ferry, NY, United StatesHQ recorded Nov 6, 20261-101 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 · Nov 6, 2026 · View company records in RevenueBase
24Exact matchColorado Springs, CO, United StatesHQ recorded Nov 6, 20261-101 contacts →

Exact match

“LaunchAny is a consulting firm that specializes in digital transformation through a comprehensive API and platform strategy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchOmaha, NE, United StatesHQ recorded Nov 6, 20261-101 contacts →

Exact match

“We're an Omaha, Nebraska based software company offering Managed IT Services, such as custom software, websites, and offer data integrations solutions!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 67 api service providers based in the United States

See the full list, filter by size, metro and specialty, and access 889 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Api service providers based in the United States at a glance

As of Nov 6, 2026
29.2%Verified-email coverage
45.4Average contacts per company
1-10Median size (employees)
14.9%Largest-city concentration · San Francisco
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
38
11-50
22
51-200
5
501-1,000
1
5,001-10,000
1

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 67 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 service providers” 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 889 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.

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 service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many api service providers are there based in the United States?

RevenueBase identified 67 company matches for api service providers 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?

Postman tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most api service providers?

San Francisco leads with 10 company records, followed by New York (7) and Beaverton (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 889 professional contacts with verified work emails tracked across these 67 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.

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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.