8FF - HVAC Service Automation | 🔧 Webhook & ⏰ Schedule

## 🔑 HTTP / generische API

**EN — 3 steps:**
1. Create a free account: https://docs.n8n.io/integrations/builtin/core-nodes/n8n-nodes-base.httprequest/
2. Copy your API key here: https://docs.n8n.io/integrations/builtin/core-nodes/n8n-nodes-base.httprequest/
3. In n8n: n8n → Credentials → Header/Bearer/Basic Auth (je nach Ziel-API) → paste the key → Save.

**DE — 3 Schritte:**
1. Kostenlosen Account anlegen: https://docs.n8n.io/integrations/builtin/core-nodes/n8n-nodes-base.httprequest/
2. API-Key hier kopieren: https://docs.n8n.io/integrations/builtin/core-nodes/n8n-nodes-base.httprequest/
3. In n8n: n8n → Credentials → Header/Bearer/Basic Auth (je nach Ziel-API) → Key einfügen → Speichern.

⚠️ Credential is empty on purpose — put YOUR own key in.
⚠️ Credential ist absichtlich leer — dein eigener Key kommt rein.