GGuardian

Postcodes.io API

Postcodes.io UK postcode API: outcode geodata (OX4).

Operational

Last checked · response time 36 ms

90-day uptime

90 days ago60d ago30d agoToday

Monitoring since · 32 days of data

OperationalDegradedOutageNo data

Recent changes

No changes detected in 32 days of monitoring (since 2026-06-11).

Integrate

The live status, 90-day uptime figure and change history on this page are also machine-readable: embed the badge, poll the JSON, or subscribe to the feed. No key needed.

Status badge: Postcodes.io API status badge

Markdown embed: [![Postcodes.io API status](https://guardiandev.ai/apis/postcodes-io-api/badge.svg)](https://guardiandev.ai/apis/postcodes-io-api)

Machine-readable: JSON (versioned v1, CORS-enabled) · Atom feed of drift & outage events.

Guardian probes https://api.postcodes.io/outcodes/OX4 about every 5 minutes. How Guardian measures.