/API TERMS
API Terms/Geo & Location/Postcodes.io

Postcodes.io

postcodes.io

Provides an API to search, validate, and geolocate UK postcodes and retrieve administrative and geospatial data.

The Postcodes.io API has free pricing; offers a free tier (Free and open source (MIT licensed)). Verified 2026-07-12 with per-field source links.

Geo & Location Verified 2026-07-12 low confidence
Base URL
not documented null
no source
Auth
not documented null
no source
Free tier
Free and open source (MIT licensed)
postcodes.io ↗
Pricing model
free
postcodes.io ↗
Pricing
Free and reliable tool for UK postcode lookup and geocoding; MIT licensed and freely available on GitHub
postcodes.io ↗
Rate limits
not documented null
no source
OpenAPI spec
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no source
MCP server
not documented null
no source