Slack Send API — IteraTools

About this tool

Send messages to any Slack workspace using either an Incoming Webhook URL (simplest — just paste the URL, no OAuth scopes needed) or a Bot Token (xoxb-...) for programmatic channel targeting. Supports plain text, Slack mrkdwn, Block Kit blocks, custom username and icon override.

Quick Start — Webhook (simplest)

curl -X POST https://api.iteratools.com/slack/send \
  -H "Authorization: Bearer YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "slack_webhook_url": "https://hooks.slack.com/services/T.../B.../...",
    "text": "Hello from IteraTools! 🚀"
  }'

Quick Start — Bot Token

curl -X POST https://api.iteratools.com/slack/send \
  -H "Authorization: Bearer YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "slack_token": "xoxb-your-bot-token",
    "channel": "#general",
    "text": "Agent alert: pipeline finished ✅",
    "username": "IteraBot",
    "icon_emoji": ":robot_face:"
  }'

Response

{"ok": true, "method": "webhook"}
// or with bot token:
{"ok": true, "method": "bot_token", "ts": "1742918400.000100", "channel": "C01234567"}

Pricing

$0.001 per request via x402 micropayment on Base (USDC). Both webhook and bot token delivery at the same price.

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