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

# Amount Applied

> Triggered when an amount is received against an obligation (e.g., bill, customer, or account).

**⚠️ Preview:** This webhook is under development and subject to change.




## OpenAPI

````yaml WEBHOOK obligation.amount_applied
openapi: 3.1.0
info:
  title: Moment Billing APIs
  version: 1.0.0
  description: >
    # Moment Billing APIs


    The Moment Billing APIs provide comprehensive billing and account management
    capabilities for merchants to manage customers, accounts, and bills with
    enterprise-grade reliability and security.
  contact:
    name: Moment
    url: https://momentco.net
    email: support@momentco.net
servers:
  - url: https://api.momentpay.net
    description: Production server
security:
  - BearerAuth: []
tags:
  - name: Customers
    description: >
      Operations for managing customers. Customers are the primary entities in
      the billing system

      that can have accounts and bills associated with them.
  - name: Accounts
    description: >
      Operations for managing accounts. Accounts provide sub-organization within
      customers

      for separate balance tracking and payment management.
  - name: Bills
    description: >
      Operations for managing bills. Bills represent payment requests that can
      be associated

      with customers or specific accounts.
  - name: Webhooks
    description: >
      Webhook events that notify your application of changes in real-time.

      Configure webhook endpoints in your merchant dashboard to receive these
      notifications.
externalDocs:
  description: Complete API Documentation
  url: https://docs.momentco.io/
paths: {}
components:
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: >
        Authentication using Bearer tokens. Include your API key in the
        Authorization header.


        **Key Types:**

        - **Test Keys**: `sk_test_*` for development and testing

        - **Live Keys**: `sk_*` for production environments

        - **Public Keys**: `pk_test_*` or `pk_*` for client-side operations



        > 📩 **Need access?** [Contact Support](/documentation/support) to
        request your API keys.



        **Usage:**

        ```http

        Authorization: Bearer sk_test_4eC39HqLyjWDarjtT1zdp7dc

        ```

````