.NET

30-second example

using Postio.Sdk;

var postio = new PostioClient(new PostioClientOptions { ApiKey = "pk_…" });
var res = await postio.Address.SearchAsync(new SearchParams { Q = "57 wimpole street" });
Console.WriteLine(res.Results[0].Suggestion);
// → 57 Wimpole Street, London, W1G 8YW

Other server sdks

• Node.jsNode-flavoured server SDK on top of @postio/core. Retries with exp backoff + full jitter, structured logger hook, 30s default timeout.
• PythonSync + async (PostioClient + AsyncPostioClient), Pydantic v2 models, typed exception hierarchy. Python 3.10+.
• GoStdlib net/http, zero runtime dependencies. Functional options, typed errors, retry-with-jitter. Go 1.22+.
• PHPSync, Guzzle 7 transport (BYO ClientInterface), readonly value objects, typed exception hierarchy. PHP 8.1+.
• RubySync, stdlib net/http (zero runtime gems), Data.define value classes, typed error hierarchy. Ruby 3.2+.