Company lists · Data verified August 2026

Top 25 Api and integration platform companies based in San Francisco, United States

Name: Api and integration platform companies based in San Francisco, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 43 companies tracked

There are 43 api and integration platform companies headquartered in San Francisco, United States (RevenueBase, August 2026). RevenueBase tracks 883 professional contacts across them, including 268 with verified work emails and 268 with mobile numbers. San Francisco is the largest hub.

This list covers api and integration platform companies headquartered in San Francisco, 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.

43Companies

883Contacts tracked

268Verified emails

268Mobile numbers

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The 25 largest api and integration platform companies based in San Francisco, United States

Ranked by team size

Top 25 of 43 api and integration platform companies based in San Francisco, 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	Airbyte	San Francisco	51-200	146	3
2	MERGE	San Francisco, CA	51-200	126	83
3	Conexa	San Francisco, CA	51-200	97	52
4	ANON	San Francisco, CA	11-50	73	3
5	CRUX	San Francisco, CA	51-200	64	11
6	Stackone	San Francisco, CA	11-50	44	20
7	Makini	San Francisco, CA	51-200	28	6
8	Pipedream	San Francisco	11-50	27	16
9	Apideck	San Francisco, CA	11-50	24	12
10	Vendia	San Francisco	11-50	19	4
11	Moesif A Wso2 Company	San Francisco, CA	11-50	15	6
12	tray.io	San Francisco, CA	201-500	12	7
13	Zagile	San Francisco, CA	11-50	12	4
14	Apix-Drive	San Francisco, CA	11-50	12	1
15	Sleuth	San Francisco, CA	11-50	10	4
16	Roundpoint	San Francisco, CA	11-50	10	1
17	Saasgrid	San Francisco, CA	1-10	9	8
18	Aragorn AI	San Francisco, CA	11-50	9	4
19	Grafbase	San Francisco, CA	11-50	9	2
20	Talentgenius	San Francisco	1-10	7	6
21	Superglue YC W25	San Francisco, CA	1-10	6	4
22	Integuru YC W24	San Francisco, CA	1-10	5	1
23	Supergood	San Francisco, CA	1-10	4	2
24	Cobalt	San Francisco, CA	11-50	4	1
25	Autocode	San Francisco, CA	1-10	3	1

Showing 25 of 43 api and integration platform companies based in San Francisco, United States

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Api and integration platform companies based in San Francisco, United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

San FranciscoLargest hub · 43 HQs

268Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Api and integration platform companies by metro in the United States

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 San Francisco, 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; 1 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 San Francisco, United States?

There are 43 api and integration platform companies headquartered in San Francisco, United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Airbyte, headquartered in San Francisco, 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 268 verified decision-maker contacts tracked across these 43 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.