# UIDWatch > Alerts for bankruptcies, liquidations, deletions and register changes of Swiss companies, > read from the Swiss Official Gazette of Commerce (SOGC), for a watchlist of Swiss company UIDs > (CHE-123.456.789). Events arrive as signed webhooks, emails, or through a cursor API. - Sign up with POST https://uidwatch.tollwyn.com/api/v1/signup and {"email": "...", "accept_terms": true}; the answer holds an API key at once. Send it as "Authorization: Bearer uw_...". - Signing up accepts https://uidwatch.tollwyn.com/terms on behalf of the business that signs up, including the data processing terms in section 8. - The trial lasts 30 days and watches 20 entries until a person confirms the email address (link in the mail), then 2500. - Add companies with POST https://uidwatch.tollwyn.com/api/v1/watchlist and {"items": [{"uid": "CHE-110.090.028", "reference": "your id", "group": "optional"}]}; PUT replaces the whole list. - Read events with GET https://uidwatch.tollwyn.com/api/v1/events?cursor=0 and keep next_cursor, or register a webhook with POST https://uidwatch.tollwyn.com/api/v1/webhooks and {"url": "https://..."}; posts are signed with HMAC-SHA256. - Paying needs a person: POST https://uidwatch.tollwyn.com/api/v1/billing/checkout returns a Stripe Checkout link. CHF 33 per month per package of 2500 entries, up to 10 packages, cancel monthly. - Errors are {"error": {"code", "message", "details"?}}. - MCP: https://uidwatch.tollwyn.com/mcp A remote MCP server (Streamable HTTP) with the API as tools and the same Authorization header; only uidwatch_signup works without a key. ## Docs - [API docs](https://uidwatch.tollwyn.com/docs): quick start, event object, webhook signatures, recipes, limits - [OpenAPI](https://uidwatch.tollwyn.com/openapi.json): every operation and schema, OpenAPI 3.1 ## Deutsch - [Konkurs-Frühwarnung](https://uidwatch.tollwyn.com/de): Startseite auf Deutsch für Schweizer Käufer, mit Preisen, Ereignisarten, Beispiel-Webhook und Fragen. - [Konkurs eines Kunden](https://uidwatch.tollwyn.com/de/konkurs-kunde-ueberwachen): Ratgeber, wie man rechtzeitig vom Konkurs eines Kunden im Handelsamtsblatt (SHAB) erfährt, mit drei Wegen der Überwachung. - [SHAB-Überwachung im Vergleich](https://uidwatch.tollwyn.com/de/shab-ueberwachung-vergleich): Angebote von UIDWatch, Moneyhouse und Lixt mit Preis, Meldeweg, Quelle und Stand. - [Konkurs-Warnung für Lieferanten](https://uidwatch.tollwyn.com/de/lieferanten-konkurs-warnung): dieselbe Überwachung für den Einkauf, mit der Lieferantenliste aus dem ERP und dem nächtlichen Abgleich per PUT. ## Optional - [Pricing](https://uidwatch.tollwyn.com/#pricing): plans and what they include - [Terms](https://uidwatch.tollwyn.com/terms): terms of service for businesses - [Privacy](https://uidwatch.tollwyn.com/privacy): what is stored and where