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POST
Call it when your agent gives up on a checkout while the authorization is still awaiting_approval. The authorization becomes declined with reason merchant_request_aborted and the user’s approval link stops working. Idempotent: cancelling a cancelled authorization answers 200.
string
required
The authorization id.
Errors. 409 outcome_unknown: the user’s device already started sending the card, so the authorization can no longer be cancelled. Resolve its existing outcome (read it, confirm with the merchant) before another attempt. 404 not_found: unknown id, or an authorization created by another client.