Ocp-Apim-Subscription-Key

HTTP request headers

A request headers is an HTTP header that the client sends to the server.

ID: 110

Type	Non-standard
Subype	Microsoft Azure
Related headers	Restrict-Access-Context, Restrict-Access-To-Tenants, X-Azure-Clientip, X-Azure-Debuginfo, X-Azure-Fdid, X-Azure-Socketip, X-Ms-Client-Principal-Claims, X-Ms-Client-Principal-Name
Last seen	2025-11-13 23:09:12
Note	Subscription key for Azure API Management (APIM) service.

Example header value: a1e426b8549c449ca70c630530b79bb9