Zoho Books

Zoho Books REST API v3

The Zoho Books REST API v3 provides full programmatic access to the Zoho Books accounting data model including contacts, invoices, estimates, sales orders, purchase orders, bills, expenses, banking, items, taxes, projects, and financial reports. Authentication uses OAuth 2.0 with the Zoho-oauthtoken header, and base URLs vary by regional data center (.com, .eu, .in, .com.au, .jp, .ca, .com.cn, .sa). Standard pagination, filtering, and rate limiting are supported with up to 100 requests per minute per organization.

GitHub OpenAPI

Documentation

📖
Documentation
https://www.zoho.com/books/api/v3/introduction/
📖
Authentication
https://www.zoho.com/books/api/v3/oauth/

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/zoho-books/refs/heads/main/openapi/zoho-books-openapi.yml

API entry from apis.yml

apis.yml Raw ↑ 
aid: zoho-books:rest-api-v3
name: Zoho Books REST API v3
description: The Zoho Books REST API v3 provides full programmatic access to the Zoho Books accounting
  data model including contacts, invoices, estimates, sales orders, purchase orders, bills, expenses,
  banking, items, taxes, projects, and financial reports. Authentication uses OAuth 2.0 with the Zoho-oauthtoken
  header, and base URLs vary by regional data center (.com, .eu, .in, .com.au, .jp, .ca, .com.cn, .sa).
  Standard pagination, filtering, and rate limiting are supported with up to 100 requests per minute per
  organization.
humanURL: https://www.zoho.com/books/api/v3/introduction/
baseURL: https://www.zohoapis.com/books/v3
tags:
- Accounting
- Invoicing
- Expenses
- Banking
- OAuth 2.0
- REST
properties:
- type: Documentation
  url: https://www.zoho.com/books/api/v3/introduction/
- type: Authentication
  url: https://www.zoho.com/books/api/v3/oauth/
- type: OpenAPI
  url: openapi/zoho-books-openapi.yml