Slope · AsyncAPI Specification

Slope Webhook Events

Version v4

Generated event surface for Slope webhooks. Payload schemas documented at https://developers.slopepay.com/docs/schema. Signed via the Slope-Signature header (HMAC-SHA256).

View Spec View on GitHub CompanyFintechPaymentsEmbedded FinanceBNPLLendingCreditB2BCheckoutAsyncAPIWebhooksEvents

Channels

so.slope.customer.created

New customer is created

so.slope.customer.updated

Customer object updated by you or Slope (e.g. limit or overdue order count change)

so.slope.customer.authorized

Customer authenticated into the Slope widget and authorized access to the merchant

so.slope.customer.authorization_revoked

Customer closed their account and unauthorized access to the merchant

so.slope.customer.application_submitted

Customer submitted an application to Slope

so.slope.customer.credit_decision_reached

Customer approved or rejected for a limit

so.slope.prescreen.ready

Prescreen succeeded and the result is ready

so.slope.order.opened

An order reached the open state

so.slope.order.finalizing

An order triggered finalize and is in the finalizing state

so.slope.order.finalized

An order reached the finalized state

so.slope.order.adjustment.created

An order adjustment (refund) has been created

so.slope.transactions.updated

A repayment happened on an order

AsyncAPI Specification

asyncapi: 2.6.0
info:
  title: Slope Webhook Events
  version: v4
  description: Generated event surface for Slope webhooks. Payload schemas documented at https://developers.slopepay.com/docs/schema.
    Signed via the Slope-Signature header (HMAC-SHA256).
x-apievangelist:
  generated: '2026-07-21'
  method: generated
  source: https://developers.slopepay.com/docs/event-types
defaultContentType: application/json
channels:
  so.slope.customer.created:
    subscribe:
      summary: New customer is created
      message:
        name: so_slope_customer_created
        contentType: application/json
        x-schema-docs: https://developers.slopepay.com/docs/schema
  so.slope.customer.updated:
    subscribe:
      summary: Customer object updated by you or Slope (e.g. limit or overdue order count change)
      message:
        name: so_slope_customer_updated
        contentType: application/json
        x-schema-docs: https://developers.slopepay.com/docs/schema
  so.slope.customer.authorized:
    subscribe:
      summary: Customer authenticated into the Slope widget and authorized access to the merchant
      message:
        name: so_slope_customer_authorized
        contentType: application/json
        x-schema-docs: https://developers.slopepay.com/docs/schema
  so.slope.customer.authorization_revoked:
    subscribe:
      summary: Customer closed their account and unauthorized access to the merchant
      message:
        name: so_slope_customer_authorization_revoked
        contentType: application/json
        x-schema-docs: https://developers.slopepay.com/docs/schema
  so.slope.customer.application_submitted:
    subscribe:
      summary: Customer submitted an application to Slope
      message:
        name: so_slope_customer_application_submitted
        contentType: application/json
        x-schema-docs: https://developers.slopepay.com/docs/schema
  so.slope.customer.credit_decision_reached:
    subscribe:
      summary: Customer approved or rejected for a limit
      message:
        name: so_slope_customer_credit_decision_reached
        contentType: application/json
        x-schema-docs: https://developers.slopepay.com/docs/schema
  so.slope.prescreen.ready:
    subscribe:
      summary: Prescreen succeeded and the result is ready
      message:
        name: so_slope_prescreen_ready
        contentType: application/json
        x-schema-docs: https://developers.slopepay.com/docs/schema
  so.slope.order.opened:
    subscribe:
      summary: An order reached the open state
      message:
        name: so_slope_order_opened
        contentType: application/json
        x-schema-docs: https://developers.slopepay.com/docs/schema
  so.slope.order.finalizing:
    subscribe:
      summary: An order triggered finalize and is in the finalizing state
      message:
        name: so_slope_order_finalizing
        contentType: application/json
        x-schema-docs: https://developers.slopepay.com/docs/schema
  so.slope.order.finalized:
    subscribe:
      summary: An order reached the finalized state
      message:
        name: so_slope_order_finalized
        contentType: application/json
        x-schema-docs: https://developers.slopepay.com/docs/schema
  so.slope.order.adjustment.created:
    subscribe:
      summary: An order adjustment (refund) has been created
      message:
        name: so_slope_order_adjustment_created
        contentType: application/json
        x-schema-docs: https://developers.slopepay.com/docs/schema
  so.slope.transactions.updated:
    subscribe:
      summary: A repayment happened on an order
      message:
        name: so_slope_transactions_updated
        contentType: application/json
        x-schema-docs: https://developers.slopepay.com/docs/schema