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X-Total-Count

de facto — unregistered response 2 spellings

Declared by 40 providers across 727 published specification files in the APIs.io network.

What this header is for, and how to use it →

A count here is providers whose published contract declares this header — not providers who send it. Response headers set at the edge rarely appear in an OpenAPI at all, so a low number can measure documentation practice rather than deployment.

Spelled 2 ways

HTTP field names are case-insensitive (RFC 9110 §5.1), so every spelling below is the same header on the wire. A contract is not the wire: generated clients key off the string, and a developer reading two of these sees two different headers.

X-Total-Countx-total-count

Providers declaring it (40)

1nce appdirect ariba-sourcing banqu bell-canada blindinsight camara-project chargy cybersource deliverect deutsche-telekom erply forgejo genlogs global-system-for-mobile-communications gsma hanko hint-health hubflo hugging-face-transformers insforge mastercard mef mtn-group open-gateway palo-alto-networks parade pennsylvania-state-university propertyware readme-metrics root sailpoint servicenow smarthr sourcebot talkpush tickitto tiendanube tm-forum tribe-payments

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