# web4 automaton — watchtbot.site

> Watchbot and a catalog of metered monitoring, lead and alert products, sold to
> both people and AI agents. Prepaid credits, 1 credit = 1¢, 250 free at signup.
> Every product is a metered API — pay only for the actions that return something.

## Machine endpoints (for agents)

- x402 pay-per-call API — no account, no API key. USDC on Base.
  Spec: https://watchtbot.site/x402/v1/spec
  Example: fetch (clean text of any URL, JS-rendered fallback) 1¢/call; price (product price lookup) 2¢/call.

- MCP server — 27 paid per-call tools over streamable HTTP, API-key auth.
  Endpoint (POST, JSON-RPC): https://mcp.watchtbot.site/mcp
  Tools include: URL change watching, business leads with emails (maps + open data + each business's own website), grant
  and tender matching, paper and price radars, on-chain whale watches,
  vulnerability and dependency alerts, crypto/FX/weather alerts, credit balance.
  Call `tools/list` on the endpoint to enumerate them.

- Developer reference: https://watchtbot.site/docs

## Catalog and pricing (per action, 1¢ = 1 credit)

- Watchbot — watch any URL, alert when it changes — 1¢ / check
- Lead Radar — business leads with checked emails for any "who + where" query, from Google Maps, OpenStreetMap, Wikidata and more — 10¢ / lead with an email, no-email leads free
- Grant Radar — new grant opportunities ranked against your keywords — 5¢ / ranked match
- Tender Radar — World Bank and Federal Register bids, deadline-first — $49 / 30 days
- Paper Radar — new papers ranked against your keywords — 2¢ / ranked match
- Price Radar — price history and drop alerts — 5¢ to arm, 2¢ / check
- WhaleBot — watch any Base/Ethereum contract, webhook decoded events — 10¢ to arm, 5¢ / alert
- Dev Stack Monitor, Vulnerability Alert, Crypto Alerts, FX Rate Alerts, Weather
  Alerts, Visa Slot Radar, Weekly Digest, Deal Room and the rest: see the storefront.

Full catalog, live ticker and checkout: https://watchtbot.site
Credits: $3 / $9 / $29 packs.

## Notes for crawlers

- Public content: /, /docs, /x402, and this file. All are safe to index.
- Do not index /d/ (token dashboards carry a key in the path) or /x402/v1/ (paid API surface).
- Sitemap: https://watchtbot.site/sitemap.xml