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Use Helicone observability with Meridian
Helicone is a lightweight proxy that captures every request and response flowing through Meridian. Swap your base URL and add one header — no SDK changes, no code rewrites.
1. Change your base URL
Replace the Meridian origin with the Helicone gateway. All path segments and query parameters pass through unchanged.
Before: https://api.meridian.foogle.dev/v1
After: https://oai.helicone.ai/v1
After: https://oai.helicone.ai/v1
2. Add the Helicone-Auth header
Authenticate with your Helicone API key. The proxy strips this header before forwarding to Meridian.
Header: Helicone-Auth
Value: Bearer sk-helicone-...
Value: Bearer sk-helicone-...
3. Keep your Meridian API key
Your existing Authorization: Bearer mr-... header stays in place. Helicone forwards it to Meridian for authentication.
Need a Helicone key? Sign up at helicone.ai and grab your write-only key from the dashboard. Then return here and swap the base URL.