Company lists · Data verified August 2026

Top 25 Api management platform companies based in the United States

Name: Api management platform companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 64 companies tracked

There are 64 api management platform companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 10,087 professional contacts across them, including 4,655 with verified work emails and 2,523 with mobile numbers. San Francisco is the largest hub.

This list covers api management platform companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

64Companies

10,087Contacts tracked

4,655Verified emails

2,523Mobile numbers

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The 25 largest api management platform companies based in the United States

Ranked by team size

Top 25 of 64 api management platform companies based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	F5	Seattle, WA	5,001-10,000	8,464	4,084
2	Sensedia	Miami Beach, FL	501-1,000	627	330
3	Noname Security	San Jose, CA	201-500	230	55
4	Paragon	Los Angeles	11-50	95	35
5	Traceable By Harness	San Francisco, CA	201-500	77	52
6	Layer7 API Security	San Jose, CA	n/a	41	3
7	42crunch	Irvine, CA	51-200	36	22
8	Treblle	Wilmington, DE	11-50	23	15
9	Polyapi	Denver, CO	11-50	18	9
10	Solsys	Miami, FL	11-50	18	1
11	ZUPLO	Seattle, WA	11-50	16	7
12	Achieve Internet	San Diego, CA	11-50	15	7
13	Threatx	Louisville, CO	11-50	15	6
14	Moesif A Wso2 Company	San Francisco, CA	11-50	15	6
15	UNKEY	San Francisco	1-10	8	4
16	Nevatech	Atlanta, GA	11-50	6	1
17	Revenium	Herndon, VA	11-50	4	2
18	Supergood	San Francisco, CA	1-10	4	2
19	METLO	San Francisco, CA	1-10	3	2
20	APITO	Sheridan, WY	1-10	3	1
21	dlh.io	Charlotte	1-10	3	1
22	Autocode	San Francisco, CA	1-10	3	1
23	N2n Services INC	Duluth, GA	11-50	2	2
24	Apidefender	Fremont, CA	11-50	1	1
25	ONE Token API	Omaha, NE	1-10	1	1

Showing 25 of 64 api management platform companies based in the United States

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Api management platform companies based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

San FranciscoLargest hub · 10 HQs

2,523Contacts with mobile numbers

16Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Api management platform companies by metro

Metro	Companies
Api management platform companies in San Francisco	10
Api management platform companies in Philadelphia	2
Api management platform companies in Atlanta	2
Api management platform companies in Boston	2
Api management platform companies in Seattle	2
Api management platform companies in New York	2
Api management platform companies in San Jose	2
Api management platform companies in Los Angeles	2

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “api management platform companies”, with match quality audited by blind human judging, and headquartered in the United States.
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: Contact records re-verify on a rolling cadence; 16 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many api management platform companies are there based in the United States?

There are 64 api management platform companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

F5, headquartered in Seattle, tops this list with the largest team on record.

Which city has the most api management platform companies?

San Francisco leads with 10 headquartered companies, followed by Philadelphia (2) and Atlanta (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 4,655 verified decision-maker contacts tracked across these 64 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.