Initiates a transfer through the custody lifecycle. The transaction passes through policy evaluation and, if approved, enters the PENDING_SIGNATURE state. The signing payload must be retrieved and signed externally using Dilithium3.
API key authentication. Format: Bearer {key_id}:{secret}
Idempotency key for safe retries (required for POST/PUT)
Transaction created
Wei-denominated amount as string
SUBMITTED, QUEUED, PENDING_AML_SCREENING, PENDING_AUTHORIZATION, APPROVED, REJECTED, PENDING_SIGNATURE, SIGNED, BROADCASTING, CONFIRMING, COMPLETED, FAILED, CANCELLED, BLOCKED