set -euo pipefail
npm install exa-js
# or
pnpm add exa-js

pip install exa-py

# Set environment variable
export EXA_API_KEY="your-api-key-here"

# Or create .env file (add .env to .gitignore first)
echo 'EXA_API_KEY=your-api-key-here' >> .env

.env
.env.local
.env.*.local

import Exa from "exa-js";

const exa = new Exa(process.env.EXA_API_KEY);

from exa_py import Exa
import os

exa = Exa(api_key=os.environ["EXA_API_KEY"])

import Exa from "exa-js";

const exa = new Exa(process.env.EXA_API_KEY);

async function verifyConnection() {
  try {
    const result = await exa.search("test connectivity", { numResults: 1 });
    console.log("Connected. Results:", result.results.length);
    console.log("First result:", result.results[0]?.title);
  } catch (err: any) {
    if (err.status === 401) {
      console.error("Invalid API key. Check EXA_API_KEY.");
    } else if (err.status === 402) {
      console.error("No credits remaining. Top up at dashboard.exa.ai.");
    } else {
      console.error("Connection failed:", err.message);
    }
  }
}

verifyConnection();

import "dotenv/config";
import Exa from "exa-js";

const exa = new Exa(process.env.EXA_API_KEY);

function createExaClient(): Exa {
  const apiKey = process.env.EXA_API_KEY;
  if (!apiKey) {
    throw new Error(
      "EXA_API_KEY not set. Get one at https://dashboard.exa.ai"
    );
  }
  return new Exa(apiKey);
}