How many companies use Four vs HSTS?

3,356 companies use Four and 216,584 companies use HSTS in our database. HSTS is more widely adopted with 64.5x more companies than Four.

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

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

HSTS is used by 216,584companies — 64.5x more than Four (3,356).

3,356 use Four216,584 use HSTS

	Four	HSTS
Companies	3,356	216,584
Category	Payment	Security

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219,940 companies with emails, tech stacks, and contacts

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API access

GET /api/v1/tech?name=four

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