Zoho Mail

Zoho Mail is an ad-free, privacy-first email and collaboration platform offering a comprehensive REST API for managing email accounts, folders, messages, contacts, calendars, and organizational email administration. The API supports 15 modules including Organization, Domains, Groups, Users, Mail Policy, Accounts, Folders, Labels, Email Messages, Signatures, Threads, Tasks, Bookmarks, Notes, and Logs. Authentication uses OAuth 2.0 and responses are returned in JSON format with region-specific base URLs for US, Europe, India, Australia, Japan, Canada, UAE, Saudi Arabia, and China deployments.

Zoho Mail publishes 4 APIs on the APIs.io network, including Accounts API, Folders API, Messages API, and 1 more. Tagged areas include Email, Mail, Collaboration, Messaging, and Calendar.

Zoho Mail’s developer surface includes authentication, documentation, engineering blog, pricing, and 14 more developer resources.

🌐 Visit website 📡 Source on GitHub

40.0/100 developing ▬ flat Agent 29/100 agent aware Full breakdown ↓
scored 2026-08-21 · rubric v0.12.0

AccessFreemiumSelf serve⚡ Free to try

4 APIs

Email Mail Collaboration Messaging Calendar Contacts Organization Management Software-as-a-Service

Kin Score

Kin Score How this is scored →
scored 2026-08-21 · rubric v0.12.0

Composite quality — 40.0/100 · developing

Contract Quality 15.1 / 25

Developer Ergonomics 4.8 / 20

Access Clarity 10.0 / 20

Operational Transparency 2.7 / 13

Contract Governance 0.0 / 12

Discoverability 7.4 / 10

Agent readiness — 29/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 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-mail: 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 4

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

GraphQL 1

GraphQL schemas published by this provider.

Rate Limits 1

Documented rate limits and quota policies.

Zoho Mail Rate Limits

0 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Scopes 1

OAuth scopes governing access to this provider's APIs.

Zoho Mail Scopes

11 scopes · authorizationCode

11 scopes

SCOPES

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

JSONLD

JSONLD

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrg

GitHubOrg

Access & Security 4

Authentication, authorization, and security posture

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Authentication

Authentication

OAuthScopes

OAuthScopes

Operate 2

Status, limits, changes, and where to get help

StatusPage

StatusPage

RateLimits

RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

Plans

Plans

FinOps

FinOps

Company 4

The organization behind the API

Website

Website

LinkedIn

Blog

Blog

BlogPosts

BlogPosts

Other 1

Properties that don't map to a standard resource type

Source (apis.yml)

aid: zoho-mail
name: Zoho Mail
description: Zoho Mail is an ad-free, privacy-first email and collaboration platform offering a comprehensive REST API for
  managing email accounts, folders, messages, contacts, calendars, and organizational email administration. The API supports
  15 modules including Organization, Domains, Groups, Users, Mail Policy, Accounts, Folders, Labels, Email Messages, Signatures,
  Threads, Tasks, Bookmarks, Notes, and Logs. Authentication uses OAuth 2.0 and responses are returned in JSON format with
  region-specific base URLs for US, Europe, India, Australia, Japan, Canada, UAE, Saudi Arabia, and China deployments.
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/zoho-mail.png
url: https://raw.githubusercontent.com/api-evangelist/zoho-mail/refs/heads/main/apis.yml
created: '2026-06-13'
modified: '2026-06-13'
specificationVersion: '0.23'
tags:
- Email
- Mail
- Collaboration
- Messaging
- Calendar
- Contacts
- Organization Management
- Software-as-a-Service
tags_raw:
- Email
- Mail
- Collaboration
- Messaging
- Calendar
- Contacts
- Organization Management
- SaaS
apis:
- aid: zoho-mail:zoho-mail-accounts-api
  name: Zoho Mail Accounts API
  description: Manage email accounts, vacation replies, forwarding, and account settings
  humanURL: https://www.zoho.com/mail/help/api/overview.html
  baseURL: https://mail.zoho.com/api
  tags:
  - Account
  tags_raw:
  - Accounts
  properties:
  - type: OpenAPI
    url: openapi/zoho-mail-accounts-api-openapi.yml
  - type: Documentation
    url: https://www.zoho.com/mail/help/api/overview.html
  - type: GettingStarted
    url: https://www.zoho.com/mail/help/api/getting-started-with-api.html
  - type: Authentication
    url: https://www.zoho.com/mail/help/api/using-oauth-2.html
  - type: OpenAPISpec
    url: https://prezohoweb.zoho.com/mail/help/api/openapi-specification.html
  - type: GraphQL
    url: graphql/zoho-mail-graphql.md
- aid: zoho-mail:zoho-mail-folders-api
  name: Zoho Mail Folders API
  description: Create and manage email folders
  humanURL: https://www.zoho.com/mail/help/api/overview.html
  baseURL: https://mail.zoho.com/api
  tags:
  - Folders
  properties:
  - type: OpenAPI
    url: openapi/zoho-mail-folders-api-openapi.yml
  - type: Documentation
    url: https://www.zoho.com/mail/help/api/overview.html
  - type: GettingStarted
    url: https://www.zoho.com/mail/help/api/getting-started-with-api.html
  - type: Authentication
    url: https://www.zoho.com/mail/help/api/using-oauth-2.html
  - type: OpenAPISpec
    url: https://prezohoweb.zoho.com/mail/help/api/openapi-specification.html
  - type: GraphQL
    url: graphql/zoho-mail-graphql.md
- aid: zoho-mail:zoho-mail-messages-api
  name: Zoho Mail Messages API
  description: Send, receive, search, and manage email messages and attachments
  humanURL: https://www.zoho.com/mail/help/api/overview.html
  baseURL: https://mail.zoho.com/api
  tags:
  - Message
  tags_raw:
  - Messages
  properties:
  - type: OpenAPI
    url: openapi/zoho-mail-messages-api-openapi.yml
  - type: Documentation
    url: https://www.zoho.com/mail/help/api/overview.html
  - type: GettingStarted
    url: https://www.zoho.com/mail/help/api/getting-started-with-api.html
  - type: Authentication
    url: https://www.zoho.com/mail/help/api/using-oauth-2.html
  - type: OpenAPISpec
    url: https://prezohoweb.zoho.com/mail/help/api/openapi-specification.html
  - type: GraphQL
    url: graphql/zoho-mail-graphql.md
- aid: zoho-mail:zoho-mail-organization-api
  name: Zoho Mail Organization API
  description: Admin-level organization, domain, group, user, and policy management
  humanURL: https://www.zoho.com/mail/help/api/overview.html
  baseURL: https://mail.zoho.com/api
  tags:
  - Organization
  properties:
  - type: OpenAPI
    url: openapi/zoho-mail-organization-api-openapi.yml
  - type: Documentation
    url: https://www.zoho.com/mail/help/api/overview.html
  - type: GettingStarted
    url: https://www.zoho.com/mail/help/api/getting-started-with-api.html
  - type: Authentication
    url: https://www.zoho.com/mail/help/api/using-oauth-2.html
  - type: OpenAPISpec
    url: https://prezohoweb.zoho.com/mail/help/api/openapi-specification.html
  - type: GraphQL
    url: graphql/zoho-mail-graphql.md
common:
- type: AgenticAccess
  url: agentic-access/zoho-mail-agentic-access.yml
- type: VulnerabilityDisclosure
  url: security/zoho-mail-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/zoho-mail-domain-security.yml
- type: Authentication
  url: authentication/zoho-mail-authentication.yml
- type: OAuthScopes
  url: scopes/zoho-mail-scopes.yml
- type: Website
  url: https://www.zoho.com/mail/
- type: Documentation
  url: https://www.zoho.com/mail/help/api/overview.html
- type: GitHubOrg
  url: https://github.com/zoho
- type: LinkedIn
  url: https://in.linkedin.com/company/zoho-mail
- type: Blog
  url: https://blog.zoho.com/mail
- type: Pricing
  url: https://www.zoho.com/mail/zohomail-pricing.html
- type: StatusPage
  url: https://status.zoho.com
- type: X
  url: https://x.com/zohomail
- type: Plans
  url: plans/zoho-mail-plans-pricing.yml
- type: RateLimits
  url: rate-limits/zoho-mail-rate-limits.yml
- type: FinOps
  url: finops/zoho-mail-finops.yml
- type: BlogPosts
  url: blogs/blogs.json
- type: JSONLD
  url: json-ld/zoho-mail.json
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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