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API Reference - Ideal Postcodes API Technical Specs & Reference

Detailed technical specifications for API Reference - Ideal Postcodes API including version 3.7.0 data.
📅 Last updated: April 20, 2026

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API Reference - Ideal Postcodes API Overview

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 indicate the request status.

Rate Limiting

Each IP address is rate limited at 30 requests per second. Tripping the rate limit will result in a 503 response.

The autocomplete API also has an addit…

Technical Specifications

AttributeDetails
Providerideal-postcodes.co.uk
Current Version3.7.0
FormatOpenAPI / JSON

Integration Information

Reference for version 3.7.0.


Disclaimer: Data sourced from APIs.guru.