Securely call private Google Cloud Run APIs with JWT authentication (simplified)
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
At a glance
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.
- Platform
- n8n
- Connects
- httpRequest, jwt, manualTrigger, set
- Modules
- 5
- Price
- Free
- Version
- v1.0

About this workflow
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)
How to import this n8n workflow
- 1
Download the workflow JSON file after purchase.
- 2
Open n8n → click the menu → Import from File.
- 3
Select the downloaded JSON and import.
- 4
Set up credentials for each node that requires them.
- 5
Click Execute Workflow to test, then activate.
Setup guide
Setup guide included
Purchase to unlock the full step-by-step guide
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- JSON blueprint — instant download
- Setup guide PDF included
- 5 downloads · valid 30 days
- Works with n8n
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