Hifi · AsyncAPI Specification
Hifi Webhooks
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CompanyStablecoinsPaymentsMoney MovementOn-RampOff-RampCryptoFintechKYCVirtual AccountsCross-ChainFinancial InfrastructureAsyncAPIEvents
AsyncAPI Specification
generated: '2026-07-19'
method: searched
source: https://docs.hifi.com/webhooks
type: Webhooks
transport: https
registration: >-
Webhook endpoints are configured in the Hifi Dashboard under Developer >
Webhooks. The endpoint must be HTTPS. On registration you receive a webhook
secret (public key) used for signature verification.
signature:
scheme: JWT
algorithm: RS256
header: 'Authorization: Bearer <token>'
verification: >-
Extract the JWT from the Authorization header and verify it with your
webhook public key using RS256; reject with 401 if verification fails.
delivery:
ack: Endpoint must return a 2xx status to acknowledge receipt.
retry: Failed deliveries are retried for up to 24 hours with exponential
backoff. 4xx responses are not retried.
envelope:
fields:
eventId: Unique identifier for the event
eventCategory: Domain category of the event
eventType: CATEGORY.OPERATION style event type
eventAction: CREATE | UPDATE | DELETE
data: Event-specific payload
createdAt: ISO timestamp when the event was generated
timestamp: ISO timestamp when the event was delivered
version: Envelope version (v2)
event_categories:
- name: User
description: User creation and updates
- name: KYC
description: KYC data and status changes
- name: Wallet
description: Wallet transfers, bridges, and token balance updates
- name: Account
description: Onramp, offramp, and virtual account creation/updates
- name: Onramp
description: Onramp transfer creation and status updates
- name: Offramp
description: Offramp transfer creation and status updates
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