How many companies use HSTS vs SparkPost?

216,584 companies use HSTS and 6,172 companies use SparkPost in our database. HSTS is more widely adopted with 35.1x more companies than SparkPost.

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

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 — 35.1x more than SparkPost (6,172).

216,584 use HSTS6,172 use SparkPost

	HSTS	SparkPost
Companies	216,584	6,172
Category	Security	Other

Get the full comparison

222,756 companies with emails, tech stacks, and contacts

1,000 lookups · API access · CSV exports

API access

GET /api/v1/tech?name=hsts

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