Get your own API key
Free tier: 100 requests / month, 5 burst, 1 sustained. A batch request carries up to 100 addresses and counts as one request, so the ceiling is 10,000 scores / month. One key per email. Shown once on signup, save it somewhere durable.
Your email is stored solely to issue and manage your key (one key per email, revocation on request). It is never sold or used for marketing. Full details: privacy policy.
Try the API
Uses a shared demo key for this page only, same 100 req/month limit as the free tier, but shared across all visitors. For production use, sign up for your own key above.
Response
Submit a postcode to see the live API response, rendered.