How to Fix Invalid API Key Error (HTTP 401) When Connecting OpenRouter to FreshRank
This article explains how to fix the "OpenRouter API key is not configured" warning and the HTTP 401 invalid API key error in FreshRank.
"OpenRouter API key is not configured"
Problem: You're trying to use FreshRank but haven't entered an API key yet.
Solution: Follow Step 2 in the OpenRouter Setup Guide to add your API key in the Settings page.
"OpenRouter API error (HTTP 401): Invalid API key"
Problem: The API key you entered is incorrect or has been revoked.
Solutions:
- Double-check that you copied the entire key (no extra spaces or missing characters)
- Go back to OpenRouter and verify the key still exists
- If the key was deleted, create a new one and update FreshRank settings
- Make sure you're copying from the correct OpenRouter account (if you have multiple)