SDK Overview

Frontend SDKs

SDK	Version	Package
React	Reactv0.2.8	@flags-gg/react-library
Next.js	Next.jsv0.2.8	@flags-gg/react-library

Backend SDKs

SDK	Version	Package
Go	Gov1.6.3	github.com/flags-gg/go-flags
Rust	Rustv0.2.7	flags-rs
Python	Pythonv0.1.4	flags-gg
PHP	PHPv0.1.3	flags-gg/flags-php
C#	C#v0.1.3	Flags.GG
Swift	Swiftv1.0.1	flags-gg/swift
Kotlin	Kotlinv1.1.0	gg.flags:flags-kotlin
Ruby	Rubyv0.1.2	flags-gem
Elixir	Elixirv0.1.0	flags_gg

Feature Comparison

Feature	Go	Rust	Python	PHP	C#	Swift	Kotlin	Ruby	Elixir	React	Next.js
SQLite cache	Yes	—	Yes	Yes	Yes	—	Yes	—	—	—	—
Memory cache	Yes	Yes	Yes	—	Yes	Yes	Yes	Yes	Yes (ETS)	Yes	Yes
Redis cache	—	—	—	Yes	—	—	—	—	—	—	—
Circuit breaker	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	—	—
Env overrides	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	—	—
Async support	Yes	Yes	—	—	Yes	Yes	Yes	—	Yes	Yes	Yes
Batch operations	Yes	Yes	—	—	—	Yes	—	—	Yes	—	—
Secret menu	—	—	—	—	—	—	—	—	—	Yes	Yes

Common API Pattern

All SDKs follow the same pattern:

1. Initialize a client with your project, agent, and environment IDs
2. Check a flag with is("flag-name").enabled()
3. List all flags with list()

The client handles caching, retries, circuit breaking, and environment overrides automatically.