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This integration method is maintained but no longer actively developed. For the best experience and latest features, use our new AI Gateway with unified API access to 100+ models.
1

Create an account + Generate an API Key

Log into helicone or create an account. Once you have an account, you can generate an API key.
2

Modify the API base and add the `Helicone-Auth` header

Please ensure to replace API keys with your own.
curl --request POST \
  --url https://anthropic.helicone.ai/v1/messages \
  --header "Content-Type: application/json" \
  --header "Helicone-Auth: Bearer $HELICONE_API_KEY" \
  --header "User-Agent: insomnia/8.6.1" \
  --header "anthropic-version: 2023-06-01" \
  --header "x-api-key: $ANTHROPIC_API_KEY" \
  --data '{
        "model": "claude-3-opus-20240229",
        "max_tokens": 50,
        "system": "Respond only in Spanish.",
        "messages": [
            {
                "role": "user",
                "content": [
                    {
                        "type": "text",
                        "text": "Test"
                    }
                ]
            }
        ],
        "stream": true
}'