openapi: 3.2.0
info:
  title: Zoho Invoice Invoices API
  description: REST API for Zoho Invoice, covering contacts, invoices, estimates, and credit notes.
  version: v3
servers:
- url: https://www.zohoapis.com/invoice/v3
  description: Production (US data center; regional domains include .eu, .in, .com.au, .jp, .ca, .com.cn, .sa)
security:
- ZohoOAuth: []
tags:
- name: Invoices
paths:
  /invoices:
    get:
      summary: List invoices
      operationId: listInvoices
      responses:
        '200':
          description: OK
      tags:
      - Invoices
    post:
      summary: Create an invoice
      operationId: createInvoice
      responses:
        '201':
          description: Created
      tags:
      - Invoices
  /invoices/{invoice_id}:
    parameters:
    - name: invoice_id
      in: path
      required: true
      schema:
        type: string
    get:
      summary: Retrieve an invoice
      operationId: getInvoice
      responses:
        '200':
          description: OK
      tags:
      - Invoices
    put:
      summary: Update an invoice
      operationId: updateInvoice
      responses:
        '200':
          description: OK
      tags:
      - Invoices
    delete:
      summary: Delete an invoice
      operationId: deleteInvoice
      responses:
        '200':
          description: OK
      tags:
      - Invoices
  /invoices/{invoice_id}/send:
    post:
      summary: Mark invoice as sent
      operationId: markInvoiceSent
      parameters:
      - name: invoice_id
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: OK
      tags:
      - Invoices
  /invoices/{invoice_id}/void:
    post:
      summary: Void an invoice
      operationId: voidInvoice
      parameters:
      - name: invoice_id
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: OK
      tags:
      - Invoices
  /invoices/{invoice_id}/email:
    post:
      summary: Email an invoice
      operationId: emailInvoice
      parameters:
      - name: invoice_id
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: OK
      tags:
      - Invoices
  /invoices/{invoice_id}/payments:
    get:
      summary: List payments applied to an invoice
      operationId: listInvoicePayments
      parameters:
      - name: invoice_id
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: OK
      tags:
      - Invoices
    post:
      summary: Apply a payment to an invoice
      operationId: applyInvoicePayment
      parameters:
      - name: invoice_id
        in: path
        required: true
        schema:
          type: string
      responses:
        '201':
          description: Created
      tags:
      - Invoices
components:
  securitySchemes:
    ZohoOAuth:
      type: apiKey
      in: header
      name: Authorization
      description: 'OAuth 2.0 access token sent as ''Authorization: Zoho-oauthtoken {access_token}''. An Organization ID header is also required.'