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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.

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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
  }
}'