Zoho Books

Zoho Books is online accounting software for small and growing businesses that handles invoicing, expenses, banking, projects, inventory, vendor bills, reporting, and end-to-end GST/VAT compliance. It is part of the Zoho Finance suite and integrates with the rest of the Zoho One platform alongside payment gateways, banks, and tax authorities. The Zoho Books REST API exposes the full accounting data model — contacts, invoices, estimates, expenses, bills, banking, items, taxes, and reports — using OAuth 2.0 (Zoho-oauthtoken) for authentication and per-region data center base URLs.

Zoho Books publishes 1 API on the APIs.io network: REST API v3. Tagged areas include Accounting, Bookkeeping, Invoicing, Expenses, and Banking.

Zoho Books’ developer surface includes documentation, pricing, signup flow, support, engineering blog, developer console, and 9 more developer resources.

🌐 Visit website 📡 Source on GitHub

34.1/100 thin ▬ flat Agent 16/100 agent aware Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1

1 APIs

AccountingBookkeepingInvoicingExpensesBankingSmall BusinessGSTVATZoho

Kin Score

Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1

Composite quality — 34.1/100 · thin

Contract Quality 12.8 / 25

Developer Ergonomics 4.3 / 20

Commercial Clarity 8.9 / 20

Operational Transparency 2.7 / 13

Governance 0.0 / 12

Discoverability 6.9 / 10

Agent readiness — 16/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 0 / 10

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/zoho-books: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

Get Started 3

Portal, sign-up, and the first successful call

Signup

Signup

Login

Console

Console

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Operate 2

Status, limits, changes, and where to get help

Support

Support

StatusPage

StatusPage

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

PrivacyPolicy

PrivacyPolicy

TermsOfService

TermsOfService

Company 3

The organization behind the API

LinkedIn

Website

Website

Blog

Blog

Source (apis.yml)

aid: zoho-books
name: Zoho Books
description: Zoho Books is online accounting software for small and growing businesses that handles invoicing, expenses, banking,
  projects, inventory, vendor bills, reporting, and end-to-end GST/VAT compliance. It is part of the Zoho Finance suite and
  integrates with the rest of the Zoho One platform alongside payment gateways, banks, and tax authorities. The Zoho Books
  REST API exposes the full accounting data model — contacts, invoices, estimates, expenses, bills, banking, items, taxes,
  and reports — using OAuth 2.0 (Zoho-oauthtoken) for authentication and per-region data center base URLs.
type: Index
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/zoho-books.png
tags:
- Accounting
- Bookkeeping
- Invoicing
- Expenses
- Banking
- Small Business
- GST
- VAT
- Zoho
url: https://raw.githubusercontent.com/api-evangelist/zoho-books/refs/heads/main/apis.yml
created: '2026-05-11'
modified: '2026-05-11'
specificationVersion: '0.19'
apis:
- 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
common:
- type: VulnerabilityDisclosure
  url: security/zoho-books-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/zoho-books-domain-security.yml
- type: GitHubOrganization
  url: https://github.com/zoho
- type: LinkedIn
  url: https://www.linkedin.com/showcase/zoho-books
- type: Website
  url: https://www.zoho.com/books/
- type: Documentation
  url: https://www.zoho.com/books/api/v3/introduction/
- type: Pricing
  url: https://www.zoho.com/books/pricing/
- type: Signup
  url: https://www.zoho.com/books/signup/
- type: Login
  url: https://books.zoho.com/app/login
- type: Support
  url: https://www.zoho.com/books/support/
- type: Blog
  url: https://www.zoho.com/books/blog/
- type: StatusPage
  url: https://status.zoho.com/
- type: PrivacyPolicy
  url: https://www.zoho.com/privacy.html
- type: TermsOfService
  url: https://www.zoho.com/terms.html
- type: Console
  url: https://api-console.zoho.com/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

Zoho Books

Kin Score

APIs 1

Zoho Books REST API v3

Security Posture 2

Zoho Books Domain Security

Zoho Books Vulnerability Disclosure

Resources