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The PreauthSignals endpoint returns the predicted likelihood that a transaction will succeed for a connected credit card Account, alongside the card’s standing and recommended timing for the transaction.
Public preview. PreauthSignals is in public preview. Contact your Method CSM to request access.

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Account requirements

PreauthSignals accepts a Method Account ID in the request path for a liability-backed credit card Account. The Account must not be disabled and its consent must not be withdrawn. Closed Accounts are supported and return a completed assessment with success_likelihood: 0. The assessment is synchronous. POST /accounts/{acc_id}/preauth returns the completed or failed PreauthSignals object after processing finishes.
PreauthSignals is available only with API version 2026-03-30.
The PreauthSignals endpoint is available as a:

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PreauthSignals Object

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Insufficient data

When Method cannot compute a prediction from sufficiently recent liability data, the assessment still returns status: "completed". In that case, success_likelihood and optimal_retry_date are null, and error.sub_type is PREAUTH_INSUFFICIENT_DATA. If the Account’s underlying liability cannot be found, the assessment returns status: "failed" with error.sub_type: "PREAUTH_FAILED_LIABILITY_NOT_FOUND".