---
title: 'Puzzler PHP SDK'
url: 'https://www.dealmobile.co.uk/writing/tag/puzzler-php-sdk'
type: Tags
---

# Puzzler PHP SDK

## [Testing an API client without the network](https://www.dealmobile.co.uk/writing/testing-an-api-client-without-the-network.md)

Published 2026-10-21

How the Puzzler PHP SDK signs its requests and turns HTTP errors into exceptions, and how one protected method lets the tests check both with no credentials and no connection.

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