Company lists · Data verified August 2026

Top 25 Api and integration platform companies based in the United States

Name: Api and integration 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 475 companies tracked

There are 475 api and integration platform companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 12,208 professional contacts across them, including 4,726 with verified work emails and 3,177 with mobile numbers. San Francisco is the largest hub.

This list covers api and integration 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.

475Companies

12,208Contacts tracked

4,726Verified emails

3,177Mobile numbers

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The 25 largest api and integration platform companies based in the United States

Ranked by team size

Top 25 of 475 api and integration 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	AXWAY	Scottsdale, AZ	1,001-5,000	1,523	811
2	Workato	Palo Alto, CA	1,001-5,000	1,297	753
3	Sensedia	Miami Beach, FL	501-1,000	627	330
4	CLEO	Rockford, IL	201-500	513	344
5	Jitterbit	Alameda, CA	201-500	395	197
6	Snaplogic	San Mateo, CA	201-500	357	190
7	Striim	Palo Alto, CA	201-500	241	141
8	Adeptia	Jupiter, FL	51-200	225	90
9	Finxact	Jacksonville, FL	51-200	191	138
10	Elife Transfer	Burlingame, CA	201-500	167	1
11	Airbyte	San Francisco	51-200	146	3
12	MERGE	San Francisco, CA	51-200	126	83
13	Commercient	Marietta, GA	51-200	102	28
14	Conexa	San Francisco, CA	51-200	97	52
15	KIZEN	New York, NY	51-200	84	40
16	NEXLA	San Mateo, CA	51-200	84	25
17	NJC Labs	Austin, TX	51-200	83	39
18	Joget, INC	Columbia, MD	51-200	75	19
19	Prismatic	Sioux Falls, SD	51-200	72	39
20	Explorium	Lehi, UT	51-200	72	37
21	Justransform	Cupertino, CA	51-200	71	29
22	Adaptigent	Winter Park, FL	51-200	70	21
23	Ingage Partners	Cincinnati, OH	51-200	67	39
24	PORTX	Mercer Island, WA	51-200	64	37
25	CRUX	San Francisco, CA	51-200	64	11

Showing 25 of 475 api and integration platform companies based in the United States

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Api and integration platform companies based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

San FranciscoLargest hub · 43 HQs

3,177Contacts with mobile numbers

16Emails re-verified in last 30 days

Companies by employee count

1-10

208

11-50

179

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Api and integration platform companies by metro

Metro	Companies
Api and integration platform companies in San Francisco	43
Api and integration platform companies in New York	27
Api and integration platform companies in Austin	19
Api and integration platform companies in Miami	14
Api and integration platform companies in Los Angeles	11
Api and integration platform companies in Atlanta	10
Api and integration platform companies in Dallas	8

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 and integration 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 and integration platform companies are there based in the United States?

There are 475 api and integration platform companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

AXWAY, headquartered in Scottsdale, tops this list with the largest team on record.

Which city has the most api and integration platform companies?

San Francisco leads with 43 headquartered companies, followed by New York (27) and Austin (19).

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 4,726 verified decision-maker contacts tracked across these 475 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.