royal-mail

Royal Mail Pro Shipping v3 REST API PHP Client

A PHP library for accessing the Royal Mail Tracking API V2 (REST) API.

Self-hosted UK address lookup API built on Royal Mail PAF data. Zero-database, in-memory binary search.

A tool for converting the CSV Postcode Address File from Royal Mail into a fairly flat Microsoft SQL Server Database.

Royal Mail tracking API and webhook make it easy to integrate Royal Mail tracking function into your own project.

Python SDK for the Postio API — UK address, email, and phone validation. PAF + Ordnance Survey backed. Sync + async, type-safe via Pydantic v2.

Ruby SDK for the Postio API — UK address, email, and phone validation. PAF + Ordnance Survey backed.

.NET SDK for the Postio API — UK address, email, and phone validation. PAF + Ordnance Survey backed. Async-first via HttpClient.

Move a shipping label PDF from eBay or Royal Mail Click & Drop to any position on an A4 label sheet, or onto a 4x6 thermal label, without scaling it.

JS-family integration packages for the Postio API: drop-in JS, typed clients, MCP, CDN worker, examples

PHP SDK for the Postio API — UK address, email, and phone validation. PAF + Ordnance Survey backed. Composer / Packagist.

Go SDK for the Postio API — UK address, email, and phone validation. PAF + Ordnance Survey backed. Stdlib net/http only.