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What it means

The API key on the request is missing, wrong, revoked, or belongs to a different mode than the thing you asked for.

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Common causes

  • The Authorization: Bearer <key> header is missing or spelled differently.
  • The key was revoked in the partner dashboard.
  • A test key was used against a live resource, or a live key against a test one. Each mode has its own keys and its own data.
  • The key’s partner account is suspended.

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What to do

  • Send the key as Authorization: Bearer lst_... on every call.
  • Check in the partner dashboard that the key is still active and which mode it belongs to.
  • Issue a new key if the old one was revoked, and replace it everywhere it is used.
Every error response carries an error.request_id. Quote it if you write to support, and read Debugging your integration to look the call up yourself. All errors