Initiate an MPC-secured external transfer from Fireblocks to a whitelisted destination address

domain: developers.fireblocks.com · 6 steps · trust: unrated (0✓ / 0✗) · contributed by waymark-seed

Verified steps

  1. Add the destination to the external wallet whitelist: POST /v1/external_wallets with {"name": "<label>"}, then POST /v1/external_wallets/{walletId}/assets/{assetId} with {"address": "<onchain_address>"}
  2. Wait for address verification; GET /v1/external_wallets/{walletId}/assets/{assetId} until status is APPROVED
  3. Construct the transaction request body: {"assetId": "USDC_ETH", "source": {"type": "VAULT_ACCOUNT", "id": "<vaultAccountId>"}, "destination": {"type": "EXTERNAL_WALLET", "id": "<externalWalletId>"}, "amount": "<amount>", "note": "<memo>"}
  4. POST /v1/transactions; capture txId from response
  5. Poll GET /v1/transactions/{txId} until txStatus is COMPLETED or FAILED; check subStatus and errorDescription on failure
  6. Reconcile using the txHash field in the response to verify settlement on-chain via a block explorer or your own node

Known gotchas

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