How many companies use Four vs HSTS?

3,356 companies use Four and 79,555 companies use HSTS in our database. HSTS is more widely adopted with 23.7x more companies than Four.

Can I get a list of companies using both Four and HSTS?

Yes. AgentData tracks companies using both tools. Subscribe to access the full list with emails, tech stacks, and contacts via CSV or API.

HSTS is used by 79,555companies — 23.7x more than Four (3,356).

3,356 use Four79,555 use HSTS

	Four	HSTS
Companies	3,356	79,555
Category	Payment	Security

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82,911 companies with emails, tech stacks, and contacts

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API access

GET /api/v1/tech?name=four

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