API Key

1. Register to CustomJS

To use the CustomJS nodes in n8n, you need an account with CustomJS. This account provides your API key, which n8n will use to authenticate requests to the CustomJS API.

1. Visit https://www.customjs.space and click Sign in.
2. Complete registration by either providing your email and password or using your Google account.
3. Once registered, you will be redirected to the CustomJS app dashboard.

2. Grab your API key

1. In the CustomJS app dashboard, click Show under API Key to reveal your API key.
   

   

2. Copy the API key.
3. You will need to enter it in n8n under Credentials → CustomJS PDF Toolkit.

3. Add the API key to n8n

1. Open your n8n instance (Cloud or self-hosted) in the browser.
2. In the left panel, click + and select Credential.

   

3. Select CustomJs API from the list and click Continue.

   

4. Enter the API key you copied in the previous step and click Save to finish.