Slack Incoming Webhooks API

Slack Incoming Webhooks provide a simple way to post messages from external sources into Slack. Creating an incoming webhook gives you a unique URL to which you send a JSON payload with the message text and formatting options. Messages can be plain text or use Block Kit for rich formatting with interactive components.

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API entry from apis.yml

apis.yml Raw ↑
aid: slack:slack-incoming-webhooks-api
name: Slack Incoming Webhooks API
tags:
- Messaging
- Webhook
tags_raw:
- Messaging
- Webhooks
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
baseURL: https://hooks.slack.com
humanURL: https://docs.slack.dev/messaging/sending-messages-using-incoming-webhooks
properties:
- url: https://docs.slack.dev/messaging/sending-messages-using-incoming-webhooks
  type: Documentation
description: Slack Incoming Webhooks provide a simple way to post messages from external sources into
  Slack. Creating an incoming webhook gives you a unique URL to which you send a JSON payload with the
  message text and formatting options. Messages can be plain text or use Block Kit for rich formatting
  with interactive components.