TalkJS

TalkJS is a chat API and SDK for adding messaging to web and mobile apps. It pairs a customizable pre-built chat UI (the TalkJS JavaScript SDK and Chat UI) with a server-side REST API at https://api.talkjs.com/v1/{appId} for managing users, conversations, participants, and messages, importing existing chat history, and receiving events via webhooks.

TalkJS publishes 5 APIs on the APIs.io network, including Conversations API, Import API, Messages API, and 2 more. Tagged areas include Chat, Messaging, Communication, SDK, and Webhooks.

TalkJS’s developer surface includes authentication, documentation, engineering blog, and 10 more developer resources.

🌐 Visit website 📡 Source on GitHub

39.6/100 thin ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1

AccessPaidSelf serve

6 APIs

ChatMessagingCommunicationSDKWebhooks

Kin Score

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

Composite quality — 39.6/100 · thin

Contract Quality 15.0 / 25

Developer Ergonomics 4.3 / 20

Commercial Clarity 9.5 / 20

Operational Transparency 4.8 / 13

Governance 0.0 / 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/talkjs: 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 6

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

Rate Limits 1

Documented rate limits and quota policies.

Talkjs Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 4

Authentication, authorization, and security posture

TrustCenter

TrustCenter

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits

RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans

Plans

FinOps

FinOps

Company 3

The organization behind the API

LinkedIn

Website

Website

Blog

Blog

Source (apis.yml)

aid: talkjs
url: https://raw.githubusercontent.com/api-evangelist/talkjs/refs/heads/main/apis.yml
name: TalkJS
kind: company
description: TalkJS is a chat API and SDK for adding messaging to web and mobile apps. It pairs a customizable pre-built chat
  UI (the TalkJS JavaScript SDK and Chat UI) with a server-side REST API at https://api.talkjs.com/v1/{appId} for managing
  users, conversations, participants, and messages, importing existing chat history, and receiving events via webhooks.
accessModel:
  pricing: paid
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Paid · 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/talkjs.png
tags:
- Chat
- Messaging
- Communication
- SDK
- Webhooks
created: '2026-06-20'
modified: '2026-06-20'
specificationVersion: '0.19'
apis:
- aid: talkjs:talkjs-webhooks-api
  name: TalkJS Webhooks API
  tags:
  - Webhooks
  - Events
  - Notifications
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://talkjs.com/docs/Reference/Webhooks/
  baseURL: https://api.talkjs.com/v1/{appId}
  properties:
  - url: https://talkjs.com/docs/Reference/Webhooks/
    type: Documentation
  - url: https://talkjs.com/docs/Reference/Webhooks/
    type: APIReference
  - url: review.yml
    type: Review
  description: Server-to-server event delivery for message.sent, message.read, message.updated, message.deleted, user.created/updated,
    conversation.deleted, and notification lifecycle events, posted as JSON with an id/type/createdAt/data envelope to your
    configured endpoints.
- aid: talkjs:talkjs-conversations-api
  name: TalkJS Conversations API
  description: Create, update, list, and delete conversations.
  humanURL: https://talkjs.com/docs/Reference/REST_API/Users/
  baseURL: https://api.talkjs.com/v1/{appId}
  tags:
  - Conversations
  properties:
  - type: OpenAPI
    url: openapi/talkjs-conversations-api-openapi.yml
  - type: Documentation
    url: https://talkjs.com/docs/Reference/REST_API/Users/
  - type: APIReference
    url: https://talkjs.com/docs/Reference/REST_API/Users/
  - type: PostmanCollection
    url: collections/talkjs.postman_collection.json
  - type: Documentation
    url: https://talkjs.com/docs/Reference/REST_API/Conversations/
  - type: APIReference
    url: https://talkjs.com/docs/Reference/REST_API/Conversations/
  - type: Documentation
    url: https://talkjs.com/docs/Reference/REST_API/Messages/
  - type: APIReference
    url: https://talkjs.com/docs/Reference/REST_API/Messages/
  - type: Documentation
    url: https://talkjs.com/docs/Reference/REST_API/Importing_Messages/
  - type: APIReference
    url: https://talkjs.com/docs/Reference/REST_API/Importing_Messages/
- aid: talkjs:talkjs-import-api
  name: TalkJS Import API
  description: Import messages with original timestamps.
  humanURL: https://talkjs.com/docs/Reference/REST_API/Users/
  baseURL: https://api.talkjs.com/v1/{appId}
  tags:
  - Import
  properties:
  - type: OpenAPI
    url: openapi/talkjs-import-api-openapi.yml
  - type: Documentation
    url: https://talkjs.com/docs/Reference/REST_API/Users/
  - type: APIReference
    url: https://talkjs.com/docs/Reference/REST_API/Users/
  - type: PostmanCollection
    url: collections/talkjs.postman_collection.json
  - type: Documentation
    url: https://talkjs.com/docs/Reference/REST_API/Conversations/
  - type: APIReference
    url: https://talkjs.com/docs/Reference/REST_API/Conversations/
  - type: Documentation
    url: https://talkjs.com/docs/Reference/REST_API/Messages/
  - type: APIReference
    url: https://talkjs.com/docs/Reference/REST_API/Messages/
  - type: Documentation
    url: https://talkjs.com/docs/Reference/REST_API/Importing_Messages/
  - type: APIReference
    url: https://talkjs.com/docs/Reference/REST_API/Importing_Messages/
- aid: talkjs:talkjs-messages-api
  name: TalkJS Messages API
  description: Send, list, fetch, edit, delete messages, and manage reactions.
  humanURL: https://talkjs.com/docs/Reference/REST_API/Users/
  baseURL: https://api.talkjs.com/v1/{appId}
  tags:
  - Messages
  properties:
  - type: OpenAPI
    url: openapi/talkjs-messages-api-openapi.yml
  - type: Documentation
    url: https://talkjs.com/docs/Reference/REST_API/Users/
  - type: APIReference
    url: https://talkjs.com/docs/Reference/REST_API/Users/
  - type: PostmanCollection
    url: collections/talkjs.postman_collection.json
  - type: Documentation
    url: https://talkjs.com/docs/Reference/REST_API/Conversations/
  - type: APIReference
    url: https://talkjs.com/docs/Reference/REST_API/Conversations/
  - type: Documentation
    url: https://talkjs.com/docs/Reference/REST_API/Messages/
  - type: APIReference
    url: https://talkjs.com/docs/Reference/REST_API/Messages/
  - type: Documentation
    url: https://talkjs.com/docs/Reference/REST_API/Importing_Messages/
  - type: APIReference
    url: https://talkjs.com/docs/Reference/REST_API/Importing_Messages/
- aid: talkjs:talkjs-participants-api
  name: TalkJS Participants API
  description: Add, update, and remove conversation participants.
  humanURL: https://talkjs.com/docs/Reference/REST_API/Users/
  baseURL: https://api.talkjs.com/v1/{appId}
  tags:
  - Participants
  properties:
  - type: OpenAPI
    url: openapi/talkjs-participants-api-openapi.yml
  - type: Documentation
    url: https://talkjs.com/docs/Reference/REST_API/Users/
  - type: APIReference
    url: https://talkjs.com/docs/Reference/REST_API/Users/
  - type: PostmanCollection
    url: collections/talkjs.postman_collection.json
  - type: Documentation
    url: https://talkjs.com/docs/Reference/REST_API/Conversations/
  - type: APIReference
    url: https://talkjs.com/docs/Reference/REST_API/Conversations/
  - type: Documentation
    url: https://talkjs.com/docs/Reference/REST_API/Messages/
  - type: APIReference
    url: https://talkjs.com/docs/Reference/REST_API/Messages/
  - type: Documentation
    url: https://talkjs.com/docs/Reference/REST_API/Importing_Messages/
  - type: APIReference
    url: https://talkjs.com/docs/Reference/REST_API/Importing_Messages/
- aid: talkjs:talkjs-users-api
  name: TalkJS Users API
  description: Create, update, retrieve, and list users; manage presence.
  humanURL: https://talkjs.com/docs/Reference/REST_API/Users/
  baseURL: https://api.talkjs.com/v1/{appId}
  tags:
  - Users
  properties:
  - type: OpenAPI
    url: openapi/talkjs-users-api-openapi.yml
  - type: Documentation
    url: https://talkjs.com/docs/Reference/REST_API/Users/
  - type: APIReference
    url: https://talkjs.com/docs/Reference/REST_API/Users/
  - type: PostmanCollection
    url: collections/talkjs.postman_collection.json
  - type: Documentation
    url: https://talkjs.com/docs/Reference/REST_API/Conversations/
  - type: APIReference
    url: https://talkjs.com/docs/Reference/REST_API/Conversations/
  - type: Documentation
    url: https://talkjs.com/docs/Reference/REST_API/Messages/
  - type: APIReference
    url: https://talkjs.com/docs/Reference/REST_API/Messages/
  - type: Documentation
    url: https://talkjs.com/docs/Reference/REST_API/Importing_Messages/
  - type: APIReference
    url: https://talkjs.com/docs/Reference/REST_API/Importing_Messages/
common:
- type: AgenticAccess
  url: agentic-access/talkjs-agentic-access.yml
- type: TrustCenter
  url: security/talkjs-trust-center.yml
- type: VulnerabilityDisclosure
  url: security/talkjs-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/talkjs-domain-security.yml
- type: Authentication
  url: authentication/talkjs-authentication.yml
- type: GitHubOrganization
  url: https://github.com/talkjs
- type: LinkedIn
  url: https://www.linkedin.com/company/talkjs
- type: Website
  url: https://talkjs.com
- type: Documentation
  url: https://talkjs.com/docs/
- type: Plans
  url: plans/talkjs-plans-pricing.yml
- type: RateLimits
  url: rate-limits/talkjs-rate-limits.yml
- type: FinOps
  url: finops/talkjs-finops.yml
- url: https://talkjs.com/resources/rss/
  type: Blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

TalkJS

Kin Score

APIs 6

TalkJS Webhooks API

TalkJS Conversations API

TalkJS Import API

TalkJS Messages API

TalkJS Participants API

TalkJS Users API

Open Collections 1

TalkJS REST API

Pricing Plans 1

Talkjs Plans Pricing

Rate Limits 1

Talkjs Rate Limits

FinOps 1

Talkjs Finops

Security Posture 4

Talkjs Authentication

Talkjs Domain Security

Talkjs Vulnerability Disclosure

Talkjs Trust Center

Agentic Access 1

Talkjs Agentic Access

Resources