Free Token Counting API

{
  "text": "Your prompt text here",       // required
  "provider": "openai",              // optional: openai|anthropic|google|meta|mistral|deepseek
  "model": "gpt-4o"                   // optional: filter to specific model
}

{
  "tokens": 1250,
  "chars": 5000,
  "words": 820,
  "results": [
    {
      "provider": "openai",
      "model": "gpt-4o",
      "modelId": "gpt-4o",
      "tokens": 1250,
      "inputCostPer1M": 2.50,
      "outputCostPer1M": 10.00,
      "inputCost": 0.000003125,
      "outputCost": 0.00001250,
      "totalCost": 0.00001563,
      "precision": "estimated"
    }
  ],
  "rateLimit": { "remaining": 99, "resetIn": "3600s" }
}

# Basic token count
curl -X POST https://tokenia.live/api/v1/count \
  -H "Content-Type: application/json" \
  -d '{"text": "Hello, world! This is a test prompt."}'

# Filter by provider
curl -X POST https://tokenia.live/api/v1/count \
  -H "Content-Type: application/json" \
  -d '{"text": "Your prompt here", "provider": "anthropic"}'

import requests

response = requests.post(
    "https://tokenia.live/api/v1/count",
    json={"text": "Your prompt text here", "provider": "openai"}
)
data = response.json()

print(f"Tokens: {data['tokens']}")
for r in data['results']:
    print(f"{r['model']}: ${r['totalCost']:.6f}")

const response = await fetch('https://tokenia.live/api/v1/count', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({ text: 'Your prompt here' })
});

const { tokens, results } = await response.json();
console.log(`Tokens: ${tokens}`);
results.forEach(r => console.log(`${r.model}: $${r.totalCost}`));

// Node.js (built-in fetch, v18+)
const countTokens = async (text, provider = 'all') => {
  const res = await fetch('https://tokenia.live/api/v1/count', {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ text, provider })
  });
  return res.json();
};

// Usage
const result = await countTokens('Summarize the following document...');
console.log(result.tokens, result.results[0].totalCost);