Companies using HTTP/3
62,220 companies detected
AgentData detects HTTP/3 on 62,220 company websites as of June 2026. Browse the full list or export with verified emails.
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62,220 companies with emails, tech stacks, and contacts
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API access
GET /api/v1/tech?name=http-3
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HTTP/3 is used by 62,220 companies in our database. Companies using HTTP/3 also commonly use .