X_IDEMPOTENCY_CONFLICT
Means
idempotency key reused with a different payload, or still in flight
Typical cause
a retried request mutated its body
Fix
send a fresh Idempotency-Key for a different payload; otherwise retry after the first settles
idempotency key reused with a different payload, or still in flight
a retried request mutated its body
send a fresh Idempotency-Key for a different payload; otherwise retry after the first settles