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Proxy Integration

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Fetch

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

Create Google Generative AI API Key

Visit the Google Generative AI API Key page. Follow the instructions to create a new API key. Make sure to save the key as you will need it for the next steps.

3

Set API keys as environment variables

export HELICONE_API_KEY=<your Helicone API key>
export GOOGLE_GENERATIVE_API_KEY=<your Google Generative AI API key>
4

Install necessary packages

Ensure you have the necessary packages installed in your Javascript project:

npm install node-fetch
5

Send a request using fetch

const fetch = require('node-fetch');

const url = `https://gateway.helicone.ai/v1beta/models/model-name:generateContent?key=${process.env.GOOGLE_GENERATIVE_API_KEY}`;

const headers = {
  'Content-Type': 'application/json',
  'Helicone-Auth': `Bearer ${process.env.HELICONE_API_KEY}`,
  'Helicone-Target-URL': `https://generativelanguage.googleapis.com`,
};

const body = JSON.stringify({
  contents: [{
    parts: [{
      text: 'Write a story about a magic backpack.'
    }]
  }]
});

fetch(url, { method: 'POST', headers: headers, body: body })
  .then(response => response.json())
  .then(data => console.log(data))
  .catch(error => console.error('Error:', error));

​
Google Generative AI SDK

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

Create Google Generative AI API Key

Visit the Google Generative AI API Key page. Follow the instructions to create a new API key. Make sure to save the key as you will need it for the next steps.

3

Set API keys as environment variables

export HELICONE_API_KEY=<your Helicone API key>
export GOOGLE_GENERATIVE_API_KEY=<your Google Generative AI API key>
4

Install necessary packages

Ensure you have the necessary packages installed in your Javascript project:

npm install @google/generative-ai
5

Import GoogleGenerativeAI and configure the client

import { GoogleGenerativeAI, RequestOptions } from "@google/generative-ai";

if (!process.env.GOOGLE_GENERATIVE_API_KEY) {
  throw new Error("GOOGLE_GENERATIVE_API_KEY environment variable must be set");
}

const genAI = new GoogleGenerativeAI(process.env.GOOGLE_GENERATIVE_API_KEY);

const customHeaders = new Headers({
  "Helicone-Auth": `Bearer ${process.env.HELICONE_API_KEY}`,
  "Helicone-Target-URL": `https://generativelanguage.googleapis.com`,
});

const requestOptions = {
  customHeaders: customHeaders,
  baseUrl: "https://gateway.helicone.ai",
} as RequestOptions;
6

Get the generative model and generate content

const model = genAI.getGenerativeModel(
  {
    model: "model-name",
  },
  requestOptions
);

async function run() {
  const prompt = "Write a story about a magic backpack.";
  const result = await model.generateContent(prompt);
  const response = result.response;
  const text = await response.text();
  console.log(text);
}

run();
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