Utila · AsyncAPI Specification
Utila Webhooks
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CompanyWeb3Digital AssetsStablecoinsCustodyMPC WalletsBlockchainPaymentsTreasuryAsyncAPIEvents
AsyncAPI Specification
generated: '2026-07-21'
method: searched
source: https://docs.utila.io/reference/webhooks
type: Webhooks
description: Utila publishes no AsyncAPI document, but documents a webhook event
surface configured per vault in the Console (Vault Settings -> Webhooks).
Events are delivered as JSON POSTs with an RSA signature header.
events:
- type: TRANSACTION_CREATED
resourceType: TRANSACTION
- type: TRANSACTION_STATE_UPDATED
resourceType: TRANSACTION
details: details.transactionStateUpdated.newState (e.g. CONFIRMED)
- type: WALLET_CREATED
resourceType: WALLET
- type: WALLET_ADDRESS_CREATED
resourceType: WALLET_ADDRESS
- type: TRANSACTION_AML_SCREENING_RESULT_READY
resourceType: TRANSACTION
details: details.transactionAmlScreeningResultReady.action (e.g. ALLOW)
payload:
fields: [id, vault, type, resourceType, resource, details]
example_resource: vaults/3bf247bc8ee2c/transactions/b6e3cd32e827
security:
signature_header: x-utila-signature
signature_scheme: RSA-4096 with SHA-512 hash and PSS padding, base64-encoded;
verify with the public key from the Utila Console
transport: HTTPS endpoints required
delivery:
acknowledgement: Endpoint must respond HTTP 200 OK
retry_policy: Exponential back-off for up to 24 hours, then events are discarded
related:
cosigner_webhook: 'Separate co-signer approval webhook (docs.utila.io/reference/utila-cosigner)
receives the transaction object and responds with a signTransaction boolean.'
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