.NET SDK for the Postio API — UK address, email, and phone validation. PAF + Ordnance Survey backed. Async-first via HttpClient.
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Updated
May 5, 2026 - C#
.NET SDK for the Postio API — UK address, email, and phone validation. PAF + Ordnance Survey backed. Async-first via HttpClient.
Ruby SDK for the Postio API — UK address, email, and phone validation. PAF + Ordnance Survey backed.
JS-family integration packages for the Postio API: drop-in JS, typed clients, MCP, CDN worker, examples
Go SDK for the Postio API — UK address, email, and phone validation. PAF + Ordnance Survey backed. Stdlib net/http only.
PHP SDK for the Postio API — UK address, email, and phone validation. PAF + Ordnance Survey backed. Composer / Packagist.
Python SDK for the Postio API — UK address, email, and phone validation. PAF + Ordnance Survey backed. Sync + async, type-safe via Pydantic v2.
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