Secure API Endpoint with Bearer Token Authentication and Field Validation

A reusable and production-ready n8n workflow that secures public webhooks using Bearer Token authentication and dynamic request validation. ✨ What It Does Verifies Bearer Token Compares the Authorization header with a configured secret token. Validates Required Fields Checks that all expected fields are present in the incoming request body. Returns Standardized JSON Responses 401 Unauthorized if token is missing or invalid 400 Bad Request if required fields are missing 200 OK with a custom success payload 👤 Who It’s For Developers exposing n8n workflows as APIs No-code/low-code builders integrating with external forms or tools Anyone needing simple authentication and validation on incoming

Help me set up the n8n workflow "Secure API Endpoint with Bearer Token Authentication and Field Validation" (https://n8n.io/workflows/3970). It uses: Code. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.