SDKs Matrix

SDK	Best for	Key capabilities	Next step
JavaScript and TypeScript	Node.js services and modern browser apps	TypeScript support, Node.js and browser usage, default values, local rule evaluation, and optional usage reporting.	Open quickstart
PHP	Traditional server-rendered applications, APIs, and background workers	Context-aware evaluation, safe defaults, first-match rule evaluation, and local rule caching.	Open quickstart
Laravel	Laravel applications that want framework-native configuration and facades	Laravel-focused integration flow, application configuration, and framework-friendly evaluation patterns.	Open quickstart
Python	Django, Flask, FastAPI, and any WSGI or ASGI Python application	Sync and async clients, context-aware evaluation, deterministic bucketing, safe defaults, and ~1ms local flag evaluation.	Open quickstart
Go	Cloud-native services, API gateways, and other latency-sensitive Go backends	Context-aware evaluation, deterministic bucketing, local rule caching, and middleware for net/http, Gin, and Echo.	Open quickstart

JavaScript repository

Examples, changelog, TypeScript support notes, and runtime-specific configuration details.

PHP repository

Examples, operator behavior, rollout bucketing, and default-value patterns for PHP applications.

Laravel repository

Framework integration details, service provider behavior, and example Laravel usage patterns.

Python repository

Examples, async patterns, Django and Flask integration notes, and PyPI package details.

Go repository

Examples, middleware submodules for Gin and Echo, and Go module registry details.

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