Slack · Postman Collection

Slack Web API

The Slack Web API is an HTTP-based interface that provides access to all of Slack's platform features. It consists of over 200 methods organized by functional area (chat, conversations, users, files, admin, and more) that apps call over HTTPS with JSON payloads and receive JSON responses. All methods require authentication via OAuth tokens (bot or user) with granular permission scopes, and are subject to tiered rate limits. The Web API supports cursor-based pagination for large result sets and p

52
Requests
52
Folders
View on GitHub Raw JSON BotsChatCollaborationMessagingProductivityT1Team CommunicationPostman Collection

Overview

Slack Web API is a Postman Collection published by Slack on the APIs.io network.

The Slack Web API is an HTTP-based interface that provides access to all of Slack’s platform features. It consists of over 200 methods organized by functional area (chat, conversations, users, files, admin, and more) that apps call over HTTPS with JSON payloads and receive JSON responses. All methods require authentication via OAuth tokens (bot or user) with granular permission scopes, and are subject to tiered rate limits. The Web API supports cursor-based pagination for large result sets and p

The collection contains 52 requests organised into 52 folders.

Tagged areas include Bots, Chat, Collaboration, Messaging, and Productivity.

Requests & Folders

auth.test
auth.revoke
chat.postMessage
chat.update
chat.delete
chat.postEphemeral
chat.scheduleMessage
chat.getPermalink
chat.unfurl
conversations.list
conversations.info
conversations.history
conversations.create
conversations.join
conversations.invite
conversations.leave
conversations.archive
conversations.unarchive
conversations.members
conversations.replies

Related API Specs

Slack Events API (AsyncAPI) Slack Access API (OpenAPI) Slack Add API (OpenAPI) Slack Administrative API (OpenAPI) Slack AI API (OpenAPI) Slack Applications API (OpenAPI) Slack Archive API (OpenAPI) Slack Auth API (OpenAPI) Slack Authentication API (OpenAPI) Slack Automation API (OpenAPI) Slack Bookmarks API (OpenAPI) Slack Bots API (OpenAPI) Slack Calls API (OpenAPI) Slack Canvases API (OpenAPI) Slack Chat API (OpenAPI) Slack Close API (OpenAPI) Slack Comments API (OpenAPI) Slack Complete API (OpenAPI) Slack Connect API (OpenAPI) Slack Conversations API (OpenAPI) Slack Create API (OpenAPI) Slack Deletes API (OpenAPI) Slack Disables API (OpenAPI) Slack Disturb API (OpenAPI) Slack Dnd API (OpenAPI) Slack Emoji API (OpenAPI) Slack Enables API (OpenAPI) Slack Exchange API (OpenAPI) Slack Files API (OpenAPI) Slack Get API (OpenAPI) Slack Groups API (OpenAPI) Slack Lists API (OpenAPI) Slack Pins API (OpenAPI) Slack Post API (OpenAPI) Slack Reactions API (OpenAPI) Slack Reminders API (OpenAPI) Slack Search API (OpenAPI) Slack Team API (OpenAPI) Slack Usergroups API (OpenAPI) Slack Users API (OpenAPI) Slack Views API (OpenAPI) Slack Workflows API (OpenAPI)
Back to Slack · All Collections · GitHub

Work with this as data

Every collection here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for collections

4 MCP tools reach this
  • find_collectionsBrowse and filter every collection in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This collection 
curl "https://apis.io/api/v1/collections/postman-slack-web-api"
All collections 
curl "https://apis.io/api/v1/collections?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.