Getting Started Overview Access All API methods are either a GET, POST or OPTIONS request. The API communicates over both HTTPS and plain HTTP using IPv4 and IPv6. We recommend using HTTPS only although HTTP is available. We use appropriate HTTP status codes where possible to in
https://api.ideal-postcodes.co.uk/v1
Auth type
none
Auth header
# No auth required
Rate limit
See documentation
Pricing
Enterprise / contact sales
Free quota
None
Documentation
https://ideal-postcodes.co.uk/support
Endpoint status
Server online — HTTP 404 — server is online but path returned an error (may require auth)1.11s
(checked Mar 29, 2026)
Builder score
D
46%
builder-friendly
No authentication required
# No auth required
Free — open public API, no authentication required.
| Method | Path | Description |
|---|---|---|
| GET | /addresses |
Extract Addresses |
| GET | /autocomplete/addresses |
Find Address |
| GET | /autocomplete/addresses/{address}/gbr |
Resolve Address (GBR) |
| GET | /autocomplete/addresses/{address}/usa |
Resolve Address (USA) |
| POST | /cleanse/addresses |
Cleanse |
| GET | /emails |
Email Validation |
| GET | /keys/{key} |
Availability |
| GET | /keys/{key}/configs |
List |
curl -X GET 'https://api.ideal-postcodes.co.uk/v1/addresses' \ -H '# No auth required'
{}
Data sourced from API Map. Always verify pricing and rate limits against the official API Reference - Ideal Postcodes documentation.