Who it’s for? Anyone who wants a dead-simple, free-tier friendly way to run custom API logic on Google Cloud Run and call it securely from n8n—no public exposure, no local hosting. What it does Minimal flow: Set → JWT (sign) → HTTP (token exchange) → HTTP (call Cloud Run with Authorization: Bearer <idtoken> ). No caching, no extras—just enough to authenticate and hit your endpoint. How to set up General instructions below—see my detailed guide for more info: Build a Secure Google Cloud
Securely call private Google Cloud Run APIs with JWT authentication (simplified) is a ready-made n8n workflow you import as a workflow JSON file — no build required. It connects httpRequest, jwt, manualTrigger, set. It's free to download. Follow the 5-step import below to go live in minutes.

Who it’s for? Anyone who wants a dead-simple, free-tier friendly way to run custom API logic on Google Cloud Run and call it securely from n8n—no public exposure, no local hosting. What it does Minimal flow: Set → JWT (sign) → HTTP (token exchange) → HTTP (call Cloud Run with Authorization: Bearer <idtoken> ). No caching, no extras—just enough to authenticate and hit your endpoint. How to set up General instructions below—see my detailed guide for more info: Build a Secure Google Cloud Run API, Then Call It from n8n (Free Tier) Setup: 1. Create a Cloud Run service and enable Require authentication (Cloud IAM). 2. Create a Google Service Account with Cloud Run Invoker on that service. 3. In n8n, set serviceurl, clientemail, tokenuri ( in Set. 4. Create a JWT (PEM) credential from your service account key (paste the full BEGIN/END block). 5. Run the workflow; the second HTTP node calls your Cloud Run URL with the ID token. Requirements - Cloud Run service URL (auth required) - Google Service Account with Cloud Run Invoker - Private key JSON fields downloaded from Service Account | needed to generate JWT credentials More details Full write-up (minimal + modular versions): Build a Secure Google Cloud Run API, Then Call It from n8n (Free Tier)
Download the workflow JSON file after purchase.
Open n8n → click the menu → Import from File.
Select the downloaded JSON and import.
Set up credentials for each node that requires them.
Click Execute Workflow to test, then activate.
Setup guide included
Purchase to unlock the full step-by-step guide
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