Adfin · AsyncAPI Specification

Adfin Webhooks

Version

View Spec View on GitHub CompanyFintechPaymentsInvoicingCredit ControlDirect DebitBillingAccounts ReceivableUnited KingdomAsyncAPIWebhooksEvents

AsyncAPI Specification

generated: '2026-07-17'
method: searched
source: https://developer.adfin.com/products/direct-integration/guides/webhooks/webhook-events.md
type: Webhooks
transport: HTTPS POST to a subscriber-configured endpoint
signature:
  scheme: shared-secret
  verification: >-
    Verify the webhook signature against your shared secret before processing.
    An adfin-webhook-type header identifies the category
    (biller | customer | invoice | dd-mandate | payment).
  docs: https://developer.adfin.com/products/direct-integration/guides/webhooks/webhook-signature-verification.md
delivery:
  retries: true
payload_common_fields: [type, eventId, billerId, userId, customerId, invoiceId, paymentId]
events:
  - name: BILLER_CREATED
    category: biller
  - name: BILLER_PAYMENTS_STATUS_UPDATED
    category: biller
  - name: CUSTOMER_CREATED
    category: customer
  - name: CUSTOMER_UPDATED
    category: customer
  - name: CUSTOMER_DELETED
    category: customer
  - name: CUSTOMER_MERGED
    category: customer
  - name: INVOICE_CREATED
    category: invoice
  - name: INVOICE_ACTIVATED
    category: invoice
  - name: INVOICE_DELETED
    category: invoice
  - name: DIRECT_DEBIT_MANDATE_INITIATED
    category: dd-mandate
  - name: DD_PAYMENT_FAILED
    category: payment
  - name: PAYMENT_SENT
    category: payment

Work with this as data

Every AsyncAPI spec here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for asyncapi

4 MCP tools reach this

find_asyncapisBrowse and filter every AsyncAPI spec in the catalog.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

Call it yourself

curl for this page

This AsyncAPI spec

curl "https://apis.io/api/v1/asyncapis/adfin-webhooks"

All asyncapi

curl "https://apis.io/api/v1/asyncapis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.