Now live — $0.003 per signal

Price & stock signals.
Instant. Clean. Billable.

Infrastructure for developers and AI agents to detect real price changes and stock events — without scraping.

Get your API key free View OpenAPI spec →
$ npm install webintel
// quickstart
Live in 60 seconds
01 — subscribe
const Webintel = require('webintel');

const client = new Webintel('wi_your_key');

// Subscribe to changes
await client.subscribe({
  url: 'https://shop.com/product',
  events: ['price_drop', 'back_in_stock'],
  webhook_url: 'https://yourapp.com/hook'
});
02 — receive signal
// Your webhook receives:
{
  "event": "price_drop",
  "monitor_id": "monitor_abc",
  "url": "https://shop.com/product",
  "data": {
    "old_price": 120,
    "new_price": 95
  },
  "timestamp": "2026-05-01T10:00:00Z"
}
// signal types
Four events. All that matters.
📉
price_drop
Fires when a price decreases. Includes old and new values.
📈
price_increase
Fires when a price goes up. Track competitor movements.
✅
back_in_stock
Fires when an item returns to availability.
🚫
out_of_stock
Fires when an item becomes unavailable.
// AI agents
Native MCP support
01

Add to your AI config

Add Webintel to Claude, Cursor, or any MCP-compatible tool in seconds.

02

AI agents use it natively

Your AI can subscribe to monitors, record signals, and manage everything automatically — no code needed.

03

Full automation

Agents detect changes, record signals, fire webhooks — the entire pipeline runs itself.

// Add to your MCP config
{
  "mcpServers": {
    "webintel": {
      "command": "npx",
      "args": ["-y", "@adela_c/webintel-mcp"]
    }
  }
}
// how it works
Infrastructure, not a data source
01

Your app detects a change

Your system or AI agent notices a price or stock change on a product page.

02

Record the signal

Call /signals/record with the event. Webintel bills $0.003 and fires your webhook instantly.

03

React automatically

Your webhook receives a clean structured event. Trigger repricing, alerts, or AI workflows.

// pricing
Pay for what you use
Pay as you go
$0.003 / signal
No monthly fee. No signup. Get a key and start instantly.
  • All 4 event types
  • Webhook delivery
  • No expiry
  • API + npm SDK
Starter
$9 / month
Up to 5,000 signals included per month.
  • 5,000 signals / mo
  • Webhook delivery
  • Priority support
  • API + npm SDK
Pro
$29 / month
Up to 20,000 signals. Built for production apps and agents.
  • 20,000 signals / mo
  • Webhook delivery
  • Priority support
  • OpenAPI / agent ready

Start in 60 seconds.
No signup required.

Get your API key instantly. Pay only for signals you use.

Get your free API key →