Postcodes.io
UK postcode lookup and reverse geocoding built on Ordnance Survey open data, returning coordinates plus administrative, electoral, and NHS regions. Open-source and self-hostable.
Status
🟢 Online · 156 ms
🟢 Online · 156 ms
30-day uptime
100%
100%
Free tier
Unlimited, no key, no credit card
Unlimited, no key, no credit card
Auth
No key required
No key required
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Frequently Asked Questions
Does Postcodes.io require an API key?
No, Postcodes.io is freely accessible without registration or an API key.
What is Postcodes.io's free tier?
Unlimited, no key, no credit card
Is Postcodes.io currently online?
We check Postcodes.io every hour. The current status is shown at the top of this page. You can also see the 30-day uptime history in the chart above.
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Markdown
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