# Slack Incoming Webhooks API

**Canonical:** https://apis.io/apis/slack/slack-incoming-webhooks-api/  
**Provider:** Slack — https://apis.io/providers/slack/  
**Base URL:** https://hooks.slack.com  
**Documentation:** https://docs.slack.dev/messaging/sending-messages-using-incoming-webhooks

Slack Incoming Webhooks API is one of 115 APIs that [Slack](https://apis.io/providers/slack/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Messaging and Webhook. The published artifact set on APIs.io includes API documentation.

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.

## Machine-readable artifacts (1)

- **Documentation** — https://docs.slack.dev/messaging/sending-messages-using-incoming-webhooks

## Other Slack APIs (12)

- [Slack Events API](https://apis.io/apis/slack/slack-events-api/)
- [Slack SCIM API](https://apis.io/apis/slack/slack-scim-api/)
- [Slack Audit Logs API](https://apis.io/apis/slack/slack-audit-logs-api/)
- [Slack Slash Commands API](https://apis.io/apis/slack/slack-slash-commands-api/)
- [Slack App Manifest API](https://apis.io/apis/slack/slack-app-manifest-api/)
- [Slack Interactivity API](https://apis.io/apis/slack/slack-interactivity-api/)
- [Slack Access API](https://apis.io/apis/slack/slack-access-api/)
- [Slack Add API](https://apis.io/apis/slack/slack-add-api/)
- [Slack Administrative API](https://apis.io/apis/slack/slack-administrative-api/)
- [Slack AI API](https://apis.io/apis/slack/slack-ai-api/)
- [Slack Applications API](https://apis.io/apis/slack/slack-applications-api/)
- [Slack Approve API](https://apis.io/apis/slack/slack-approve-api/)

## Tags

Messaging, Webhook

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/slack/slack-incoming-webhooks-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/slack/.