API documentation
Everything you need to integrate UK property data into your application. From first API call to production deployment.
Getting started
Free account, API key, first call: under 5 minutes.
Authentication
API key management, headers, rate limits, security.
API reference
All 40+ endpoints with code examples and response schemas.
Playground Live
Run any endpoint with your own key, copy curl / Python / Node / PHP snippets.
Error handling
Status codes, error format, rate limits, troubleshooting.
MCP server
Use Homedata with Claude, Cursor, Windsurf: 16 tools, one config block.
Data dictionary
Response fields documented with types and coverage notes.
Ready to start building?
Get your API key and make your first call in under 5 minutes.
Integrate into your own product
Pay as you goEvery Homedata API endpoint returns UPRN-matched, OGL-licensed structured JSON covering 29M+ UK properties: address, attributes, EPC, risks, planning, comparables, price trends, and live listings from a single authenticated API key.
Structured as JSON · queryable by UPRN or postcode · ready to embed in any application
Exact measurements
Real values (distances, concentrations, counts) not rounded ratings
29 million UK properties covered
Every address queryable by UPRN or postcode
REST API
JSON responses, OpenAPI docs, sandbox: first call in under 5 minutes
Pay as you go: 100 tokens = £1 across every endpoint, no subscription needed. Bonus tokens with an optional monthly subscription, and your first top-up matched 100%. See pricing →
Sources
Further reading