bng2latlong

Overview

bng2latlong is a free public API in the Geocoding category. Convert British OSGB36 easting and northing (British National Grid) to WGS84 latitude and longitude.

Geocoding APIs turn addresses into coordinates and back — essential for maps, logistics, and location-aware features.

You can use this API in prototypes, side projects, and production applications — just keep the provider’s usage policy in mind.

Authentication

bng2latlong requires no authentication — you can start calling it directly, which makes it great for quick experiments and client-side demos.

HTTPS & CORS

• HTTPS: supported — traffic to bng2latlong is encrypted, so it is safe to use from production apps.
• CORS: enabled — bng2latlong can be called directly from the browser without a proxy, which simplifies client-side integrations.

Getting Started

1. Read the official documentation: https://www.getthedata.com/bng2latlong
2. Make a test request with curl or your favourite HTTP client.

Rate Limits & Notes

• Rate limits, quotas, and free-tier terms are defined by the provider — always check the official documentation for bng2latlong before scaling up.
• The upstream listing is community-maintained; fields like auth, HTTPS and CORS reflect the state at listing time and may change.

FAQ

Does bng2latlong require an API key?

No — bng2latlong is listed as a no-auth API, so you can call it directly.