Step 1: Copy your API token
On your dashboard, go to Profile > API Key, then click Copy Token to copy your API key to the clipboard.
Step 2: Authorize the token
Open the API Documentation page and click the Authorize button. In the input field, enter your key in the following format:
Step 3: Test the connection
Choose any GET endpoint from the API documentation, click Try it out, then Execute. If the setup is correct, you receive a200 OK response. If you encounter an error, double-check that your token is correctly authorized.

Step 4: Set up N8N
On your N8N dashboard, click Add First Step, then select HTTP Request from the list of available nodes.
Step 5: Configure the request
Configure the HTTP Request node as follows:- Method:
GET - URL:
https://api.nodemaven.com/api/v2/base/locations/countries/
Then enable the header toggle switch and add these two headers:
Step 6: Execute the request
Click Execute Step. You should see a list of all available countries, which confirms your N8N setup is complete and successfully connected to the API.