> ## Documentation Index
> Fetch the complete documentation index at: https://docs.bitgpt.xyz/llms.txt
> Use this file to discover all available pages before exploring further.

# invoice.cancelled

> Triggered when an event occurs



## OpenAPI

````yaml developer-resources/reference/openapi.json webhook invoice.cancelled
openapi: 3.1.0
info:
  title: BitGPT 402pay API
  description: Full description of private and dev-availble API endpoints
  version: 1.0.0
  termsOfService: https://bitgpt.xyz/terms
  contact:
    name: API Support
    url: https://help.bitgpt.xyz
    email: support@bitgpt.xyz
servers:
  - url: https://api.bitgpt.xyz
    description: Production API server
security: []
tags:
  - name: Payments
    description: Invoice and payment management endpoints
  - name: Products
    description: Product management endpoints
  - name: dev-api
    description: Developer API endpoints
externalDocs:
  description: Full BitGPT 402pay API documentation
  url: https://docs.bitgpt.xyz
paths: {}

````