PayFanout API reference
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    Type Alias AdyenWebhookVerificationFailure

    AdyenWebhookVerificationFailure:
        | "missing_credentials"
        | "credential_mismatch"
        | "malformed_payload"
        | "missing_signature"
        | "ambiguous_signed_value"
        | "signature_mismatch"

    Why a delivery failed verification — distinct reasons so hosts can tell a rewritten body from a bad key.

    Type Declaration

    • "missing_credentials"

      No authorization header on the delivery.

    • "credential_mismatch"

      The authorization header matched none of the configured credentials.

    • "malformed_payload"

      The body is not JSON or not an Adyen notification envelope, or a signed value is missing or lacks the type Adyen's webhook schema documents.

    • "missing_signature"

      No additionalData.hmacSignature on an item.

    • "ambiguous_signed_value"

      A signed value other than merchantReference contains the ":" delimiter, so the values could be re-split.

    • "signature_mismatch"

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