npm install @deepgram/sdk
# or
pnpm add @deepgram/sdk

pip install deepgram-sdk

# Option A: Environment variable (recommended)
export DEEPGRAM_API_KEY="your-api-key-here"

# Option B: .env file (add .env to .gitignore)
echo 'DEEPGRAM_API_KEY=your-api-key-here' >> .env

import { createClient } from '@deepgram/sdk';

// Reads DEEPGRAM_API_KEY from env automatically
const deepgram = createClient(process.env.DEEPGRAM_API_KEY!);

import { DeepgramClient } from '@deepgram/sdk';
const deepgram = new DeepgramClient({ apiKey: process.env.DEEPGRAM_API_KEY });

from deepgram import DeepgramClient, PrerecordedOptions, LiveOptions
import os

client = DeepgramClient(os.environ["DEEPGRAM_API_KEY"])

// TypeScript — list projects to verify key is valid
async function verify() {
  const deepgram = createClient(process.env.DEEPGRAM_API_KEY!);
  const { result, error } = await deepgram.manage.getProjects();
  if (error) {
    console.error('Auth failed:', error.message);
    process.exit(1);
  }
  console.log(`Connected. Projects: ${result.projects.length}`);
  result.projects.forEach(p => console.log(`  - ${p.name} (${p.project_id})`));
}
verify();

# Python — verify connection
from deepgram import DeepgramClient
import os

client = DeepgramClient(os.environ["DEEPGRAM_API_KEY"])
response = client.manage.v("1").get_projects()
print(f"Connected. Projects: {len(response.projects)}")
for p in response.projects:
    print(f"  - {p.name} ({p.project_id})")

// Singleton client with custom options
import { createClient, DeepgramClient } from '@deepgram/sdk';

let client: DeepgramClient | null = null;

export function getDeepgramClient(): DeepgramClient {
  if (!client) {
    const apiKey = process.env.DEEPGRAM_API_KEY;
    if (!apiKey) throw new Error('DEEPGRAM_API_KEY is required');
    client = createClient(apiKey);
  }
  return client;
}