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cogDepot

Problem types

want_link_used

HTTP 409

A confirmation link works once, and this one was already used, or the contact e-mail it confirms is already confirmed. The want or the address is confirmed and nothing was changed.

Response shape

{
  "type": "https://cogdepot.com/problems/want_link_used",
  "title": "<short human-readable summary>",
  "status": 409,
  "detail": "<what happened on this occurrence>",
  "reason": "want_link_used"
}

Branch on reason. The title is prose and may be reworded; reason is the stable contract.