Get your free API key
One field. The key is provisioned instantly and shown right here — once. Store it somewhere safe.
The free plan includes
500requests per month,10req/min- Every API on the platform — inflation, debt, oil, gas, fuel, inventories
- Every endpoint and the full history — nothing is paywalled
- MCP server included — plug Claude or Cursor into the data
- Commercial use allowed. Hard limit, never a charge.
Need more? Compare plans — PRO is $7.99/mo.
{
"data": {
"apiKey": "sk_live_…",
"plan": "free",
"monthlyQuota": 500
}
}
What you get back the moment you sign up.
Your API key
Save it now. For privacy we don't email keys and we can't show this one again. If you lose it, just create a new free key.
First request
Check your remaining quota anytime — from the terminal:
…or in the browser at Check your usage.
Next
You're on Free: 500 requests/month, hard cap, resets on the 1st (UTC). Pro raises it to 50,000 for $7.99/mo — compare plans.