Free euroref API key
Get an API key with your email address. No card, no trial clock.
- 50 calls a day on the computed answer endpoints (POST /v1/answers/* and POST /v1/vat/determine). Resets at 00:00 UTC.
- Commercial use allowed. Use the answers inside your own product, client work or internal tools. Need more than 50 a day? Card credit from $10 on the pricing page.
- Public holidays for every country, unlimited, on every brand.
- One key works on all seven brands: afriref, latamref, asiaref, euroref, usaref, mearef and ausref.
- Send it as the
X-API-Keyheader over HTTP or on/mcp.
We send one link to confirm the address. We do not add it to a list. Disposable mailboxes are not accepted. One key per mailbox.
Lost your key?
The new key replaces the old one, which stops working. This month's usage carries over.
Check your balance
curl -H 'X-API-Key: YOUR_KEY' https://euroref.dev/v1/balance
Need more than 50 calls? Prepaid card credit starts at $10 on the pricing page, or pay per call with x402.