Google Chat

The Google Chat API enables building Chat apps that integrate with Google Chat. It provides RESTful access to manage Chat spaces, memberships, messages, reactions, attachments, and custom emojis. The API supports creating conversational bots, automating messaging workflows, and managing organizational chat resources programmatically.

Google Chat publishes 7 APIs on the APIs.io network, including customEmojis API, Google Chat API API, Members API, and 4 more. Tagged areas include Chat, Collaboration, Google, Google Workspace, and Messaging.

The Google Chat catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

Google Chat’s developer surface includes developer portal, getting-started guide, authentication, pricing, support, engineering blog, and 9 more developer resources.

🌐 Visit website 📡 Source on GitHub

56.8/100 strong ▼ -5.6 Agent 31/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6

AccessFreemium

7 APIs

ChatCollaborationGoogleGoogle WorkspaceMessagingSpaces

Kin Score

Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6

Composite quality — 56.8/100 · strong

Contract Quality 15.5 / 25

Developer Ergonomics 8.3 / 20

Commercial Clarity 14.2 / 20

Operational Transparency 6.8 / 13

Governance 7.0 / 12

Discoverability 7.4 / 10

Agent readiness — 31/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

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/google-chat: 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 7

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

Rate Limits 1

Documented rate limits and quota policies.

Google Chat Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Get Started 2

Portal, sign-up, and the first successful call

Portal

Portal

GettingStarted

GettingStarted

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 2

SDKs, sample code, and the tooling you integrate with

PostmanWorkspace

PostmanWorkspace

GitHubOrganization

GitHubOrganization

Access & Security 3

Authentication, authorization, and security posture

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 2

Status, limits, changes, and where to get help

StatusPage

StatusPage

Support

Support

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 1

The organization behind the API

Blog

Blog

Source (apis.yml)

aid: google-chat
name: Google Chat
description: The Google Chat API enables building Chat apps that integrate with Google Chat. It provides RESTful access to
  manage Chat spaces, memberships, messages, reactions, attachments, and custom emojis. The API supports creating conversational
  bots, automating messaging workflows, and managing organizational chat resources programmatically.
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/google-chat.png
url: https://raw.githubusercontent.com/api-evangelist/google-chat/refs/heads/main/apis.yml
created: '2026-03-13'
modified: '2026-05-19'
specificationVersion: '0.19'
type: Index
tags:
- Chat
- Collaboration
- Google
- Google Workspace
- Messaging
- Spaces
apis:
- aid: google-chat:google-chat-customemojis-api
  name: Google Chat customEmojis API
  description: The customEmojis API from Google Chat — 1 operation(s) for customemojis.
  humanURL: https://developers.google.com/workspace/chat/api/guides
  baseURL: https://chat.googleapis.com
  tags:
  - customEmojis
  properties:
  - type: OpenAPI
    url: openapi/google-chat-customemojis-api-openapi.yml
  - type: Documentation
    url: https://developers.google.com/workspace/chat/api/guides
  - type: Authentication
    url: https://developers.google.com/workspace/chat/authenticate-authorize
  - type: GettingStarted
    url: https://developers.google.com/workspace/chat/quickstart/apps-script
  - type: JSONSchema
    url: json-schema/json-schema.yml
  - type: JSONLD
    url: json-ld/json-ld.jsonld
- aid: google-chat:google-chat-google-chat-api-api
  name: Google Chat Google Chat API API
  description: The Google Chat API API from Google Chat — 1 operation(s) for google chat api.
  humanURL: https://developers.google.com/workspace/chat/api/guides
  baseURL: https://chat.googleapis.com
  tags:
  - Google Chat API
  properties:
  - type: OpenAPI
    url: openapi/google-chat-google-chat-api-api-openapi.yml
  - type: Documentation
    url: https://developers.google.com/workspace/chat/api/guides
  - type: Authentication
    url: https://developers.google.com/workspace/chat/authenticate-authorize
  - type: GettingStarted
    url: https://developers.google.com/workspace/chat/quickstart/apps-script
  - type: JSONSchema
    url: json-schema/json-schema.yml
  - type: JSONLD
    url: json-ld/json-ld.jsonld
- aid: google-chat:google-chat-members-api
  name: Google Chat Members API
  description: The Members API from Google Chat — 1 operation(s) for members.
  humanURL: https://developers.google.com/workspace/chat/api/guides
  baseURL: https://chat.googleapis.com
  tags:
  - Members
  properties:
  - type: OpenAPI
    url: openapi/google-chat-members-api-openapi.yml
  - type: Documentation
    url: https://developers.google.com/workspace/chat/api/guides
  - type: Authentication
    url: https://developers.google.com/workspace/chat/authenticate-authorize
  - type: GettingStarted
    url: https://developers.google.com/workspace/chat/quickstart/apps-script
  - type: JSONSchema
    url: json-schema/json-schema.yml
  - type: JSONLD
    url: json-ld/json-ld.jsonld
- aid: google-chat:google-chat-messages-api
  name: Google Chat Messages API
  description: The Messages API from Google Chat — 1 operation(s) for messages.
  humanURL: https://developers.google.com/workspace/chat/api/guides
  baseURL: https://chat.googleapis.com
  tags:
  - Messages
  properties:
  - type: OpenAPI
    url: openapi/google-chat-messages-api-openapi.yml
  - type: Documentation
    url: https://developers.google.com/workspace/chat/api/guides
  - type: Authentication
    url: https://developers.google.com/workspace/chat/authenticate-authorize
  - type: GettingStarted
    url: https://developers.google.com/workspace/chat/quickstart/apps-script
  - type: JSONSchema
    url: json-schema/json-schema.yml
  - type: JSONLD
    url: json-ld/json-ld.jsonld
- aid: google-chat:google-chat-reactions-api
  name: Google Chat Reactions API
  description: The Reactions API from Google Chat — 1 operation(s) for reactions.
  humanURL: https://developers.google.com/workspace/chat/api/guides
  baseURL: https://chat.googleapis.com
  tags:
  - Reactions
  properties:
  - type: OpenAPI
    url: openapi/google-chat-reactions-api-openapi.yml
  - type: Documentation
    url: https://developers.google.com/workspace/chat/api/guides
  - type: Authentication
    url: https://developers.google.com/workspace/chat/authenticate-authorize
  - type: GettingStarted
    url: https://developers.google.com/workspace/chat/quickstart/apps-script
  - type: JSONSchema
    url: json-schema/json-schema.yml
  - type: JSONLD
    url: json-ld/json-ld.jsonld
- aid: google-chat:google-chat-spaces-api
  name: Google Chat Spaces API
  description: The Spaces API from Google Chat — 1 operation(s) for spaces.
  humanURL: https://developers.google.com/workspace/chat/api/guides
  baseURL: https://chat.googleapis.com
  tags:
  - Spaces
  properties:
  - type: OpenAPI
    url: openapi/google-chat-spaces-api-openapi.yml
  - type: Documentation
    url: https://developers.google.com/workspace/chat/api/guides
  - type: Authentication
    url: https://developers.google.com/workspace/chat/authenticate-authorize
  - type: GettingStarted
    url: https://developers.google.com/workspace/chat/quickstart/apps-script
  - type: JSONSchema
    url: json-schema/json-schema.yml
  - type: JSONLD
    url: json-ld/json-ld.jsonld
- aid: google-chat:google-chat-spaces-setup-api
  name: Google Chat Spaces:setup API
  description: The Spaces:setup API from Google Chat — 1 operation(s) for spaces:setup.
  humanURL: https://developers.google.com/workspace/chat/api/guides
  baseURL: https://chat.googleapis.com
  tags:
  - Spaces:setup
  properties:
  - type: OpenAPI
    url: openapi/google-chat-spaces-setup-api-openapi.yml
  - type: Documentation
    url: https://developers.google.com/workspace/chat/api/guides
  - type: Authentication
    url: https://developers.google.com/workspace/chat/authenticate-authorize
  - type: GettingStarted
    url: https://developers.google.com/workspace/chat/quickstart/apps-script
  - type: JSONSchema
    url: json-schema/json-schema.yml
  - type: JSONLD
    url: json-ld/json-ld.jsonld
common:
- type: PostmanWorkspace
  url: https://www.postman.com/kinlaneapi/google-chat/overview
- type: AgenticAccess
  url: agentic-access/google-chat-agentic-access.yml
- type: VulnerabilityDisclosure
  url: security/google-chat-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/google-chat-domain-security.yml
- type: GitHubOrganization
  url: https://github.com/googleworkspace
- type: Portal
  url: https://developers.google.com/workspace/chat
- type: GettingStarted
  url: https://developers.google.com/workspace/chat/api/guides
- type: Authentication
  url: https://developers.google.com/identity/protocols/oauth2
- type: Pricing
  url: https://workspace.google.com/pricing
- type: TermsOfService
  url: https://developers.google.com/terms
- type: PrivacyPolicy
  url: https://policies.google.com/privacy
- type: StatusPage
  url: https://www.google.com/appsstatus/dashboard/
- type: Support
  url: https://developers.google.com/workspace/chat/support
- type: Blog
  url: https://workspaceupdates.googleblog.com/
- type: JSONLD
  url: json-ld/json-ld.jsonld
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

Google Chat

APIs 7

Postman Collections 7

Open Collections 1

Pricing Plans 1