Official SDKs & Integrations
Integrate K Khay non-custodial crypto payments in your preferred programming language or framework. All libraries are open source, actively maintained, and support 190+ blockchains with zero merchant gas.
Node.js & TypeScript
1.0.4Official Node.js & TypeScript SDK with zero dependencies, native fetch, full type safety, and timing-safe webhook verification.
Python
1.0.4Official Python SDK with zero external dependencies. Seamlessly integrates with FastAPI, Django, Flask, and background Celery workers.
Go
1.0.4High-performance Go SDK built purely on Go's standard library (net/http, crypto/hmac). Ideal for microservices, Gin, and Fiber.
Rust
1.0.4Asynchronous, memory-safe Rust SDK for K Khay Gateway powered by Tokio and Reqwest with compile-time type validation.
React & Next.js
1.0.4Drop-in crypto checkout modal, high-resolution SVG QR codes, and headless payment hooks for React 18 & 19 and Next.js.
React Native & Expo
1.0.4Native iOS & Android crypto checkout with one-tap wallet deep linking (MetaMask, Trust, Phantom, Rainbow) and pure SVG QR codes.
Flutter & Dart
1.0.4Official Dart & Flutter SDK for mobile apps (iOS & Android), web, and backend services with zero platform-specific channels.
PHP & Laravel
1.0.4Official PHP SDK for Laravel, Symfony, WordPress, and vanilla PHP applications. Built with standard ext-curl and timing-safe hash_equals.
C# / .NET
1.0.4Official .NET and C# SDK supporting .NET 8.0 and .NET Standard 2.1 for ASP.NET Core, Blazor, and enterprise microservices.
Ruby & Rails
1.0.4Official Ruby gem for Ruby on Rails, Sinatra, and Hanami. Built strictly with Ruby standard library net/http and OpenSSL.
Java & Kotlin
1.0.4Official Java, Kotlin, and Spring Boot SDK for enterprise backends with built-in HMAC verification and thread-safe HTTP clients.
Swift & iOS
1.0.4Official Swift package for iOS, macOS, watchOS, and Vapor. Built with modern async/await, Apple CryptoKit, and Sendable concurrency.
Elixir & Phoenix
1.0.4Official Elixir SDK for Phoenix web applications and distributed OTP systems using built-in :httpc and :crypto modules.
Telegram & grammY
1.0.4Official grammY & Telegram Mini Apps (TMA) crypto payment plugin with auto-updating inline keyboards and seamless popup checkouts.
WordPress / WooCommerce
1.0.4Official WooCommerce payment gateway with HPOS compatibility, zero rolling reserves, and instant on-chain order fulfillment.