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token

de facto — unregistered request 3 spellings

Declared by 38 providers across 942 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 3 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.

tokenTokenTOKEN

Providers declaring it (38)

abortion-policy-api beds24 buk chaitin choozle cisco-webex devtron eve-online ezrentout finnhub getir gitea hildebrand jp-morgan-chase jupyter-notebook justifi magic-eden mem murf opkey oracle picus-security postex qase seldon shift4 slack smart-pension sofar-ocean solo-io solscan tago-io twilio upsie versusgame vwo wageningen-university-research webex

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All headers Authentication Guidance on headers.apievangelist.com