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How to complete the challenge GET /heartbeat (431) X-CHALLENGER too long

Issue a GET request to /heartbeat with an X-CHALLENGER header longer than 100 characters.

To have the challenge tracked, start the header value with your real challenger GUID, then append extra characters.

Example:

X-CHALLENGER: your-real-guid-followed-by-extra-characters-to-exceed-the-limit

The response should be 431 Request Header Fields Too Large.

{
  "errorMessages": [
    "X-CHALLENGER header is too large, maximum allowed is 100 characters"
  ]
}

Try it now