Webhook Incident Recovery Flow

Manual event reconstruction is the process of building a replacement event when the original webhook payload cannot be safely replayed. It is slower than replay, but it can be safer when the original event is missing, expired, corrupted, or known to contain a value that should not be repeated.

The first checkpoint is source of truth. Reconstruction should not begin from memory or screenshots. It should begin from the durable system records that define the business event: payment object, order state, subscription record, shipment status, account id, timestamp, and relevant version. If the source system itself has changed, the reconstructed event should state which version of the truth it represents.

The second checkpoint is schema. A reconstructed event must match the receiver contract, not just look plausible. Required fields, enum names, nested object shape, currency units, timezone format, and null behavior should be checked against a fixture or schema example. Many webhook bugs come from small differences that are invisible in a casual JSON comparison.

The third checkpoint is semantic intent. A retry usually says “process the original event.” A reconstruction may say “apply the correct final state.” Those are different operations. If the original event said payment_pending and the current truth says payment_succeeded, the team needs to decide whether to replay the historical transition or issue a corrected state update.

The fourth checkpoint is side-effect control. Manual events should be routed through a path that can suppress duplicate emails, notifications, credits, shipments, or inventory mutations unless those side effects are explicitly intended. A reconstruction that fixes data but surprises a customer can still be a bad recovery.

The fifth checkpoint is auditability. The reconstructed payload should include or be linked to a reason, operator, source records, approval if needed, and post-check query. Manual reconstruction is acceptable when it is explicit. It becomes dangerous when it is treated like an ordinary webhook that happened naturally.

Manual Event Reconstruction Checklist

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