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Documentation Index

Fetch the complete documentation index at: https://docs.helicone.ai/llms.txt

Use this file to discover all available pages before exploring further.

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.

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Proxy Integration

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

Set API keys as environment variables

export HELICONE_API_KEY=<your API key>
export GCLOUD_API_KEY=<your Google Cloud API key>
3

Send a request using CURL

Use the following CURL command to send a request to the Vertex AI API through the Helicone proxy:
curl --request POST \
  --url "https://gateway.helicone.ai/v1/projects/$PROJECT_ID/locations/$LOCATION/publishers/google/models/$MODEL_NAME:streamGenerateContent" \
  --header "Authorization: Bearer $GCLOUD_API_KEY" \
  --header "Content-Type: application/json" \
  --header "Helicone-Auth: Bearer $HELICONE_API_KEY" \
  --header "Helicone-Target-URL: https://$LOCATION-aiplatform.googleapis.com" \
  --header "User-Agent: curl/7.64.1" \
  --data '{
  "contents": {
    "role": "user",
    "parts": {
      "text": "Which theaters in Mountain View show Barbie movie?"
    }
  },
  "generation_config": {
    "maxOutputTokens": 1
  }
}'