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16 Official Libraries & Tools (v1.0.4)

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.

16Live Packages
190+Networks
100% Non-Custodial Direct Settlement
Cryptographic HMAC-SHA256 Webhooks
Zero Merchant Gas Protocol Routing
NO

Node.js & TypeScript

1.0.4
kkhay
npm

Official Node.js & TypeScript SDK with zero dependencies, native fetch, full type safety, and timing-safe webhook verification.

Zero dependenciesTypeScript nativeTiming-safe HMACESM & CJS
kkhay
$npm install kkhay
GitHub
PY

Python

1.0.4
kkhay
PyPI

Official Python SDK with zero external dependencies. Seamlessly integrates with FastAPI, Django, Flask, and background Celery workers.

Standard library onlyPython >= 3.9hmac.compare_digestFastAPI & Django
kkhay
$pip install kkhay
GitHub
GO

Go

1.0.4
kkhay-go
pkg.go.dev

High-performance Go SDK built purely on Go's standard library (net/http, crypto/hmac). Ideal for microservices, Gin, and Fiber.

Zero dependenciesThread-safe HTTPContext-aware APIGin & Echo
kkhay-go
$go get github.com/boboaungdev/kkhay-go
GitHub
RU

Rust

1.0.4
kkhay
crates.io

Asynchronous, memory-safe Rust SDK for K Khay Gateway powered by Tokio and Reqwest with compile-time type validation.

Async Tokio readySerde JSONAxum & Actix-webZero unsafe code
kkhay
$cargo add kkhay
GitHub
RE

React & Next.js

1.0.4
@kkhay/react
npm

Drop-in crypto checkout modal, high-resolution SVG QR codes, and headless payment hooks for React 18 & 19 and Next.js.

Drop-in <KkhayPayButton />Headless useKkhayPaymentNext.js App RouterSVG QR generator
@kkhay/react
$npm install @kkhay/react
GitHub
RE

React Native & Expo

1.0.4
@kkhay/react-native
npm

Native iOS & Android crypto checkout with one-tap wallet deep linking (MetaMask, Trust, Phantom, Rainbow) and pure SVG QR codes.

Expo Go compatibleZero native C++ buildWallet deep linksAdaptive Dark/Light
@kkhay/react-native
$npx expo install @kkhay/react-native react-native-svg
GitHub
FL

Flutter & Dart

1.0.4
kkhay
pub.dev

Official Dart & Flutter SDK for mobile apps (iOS & Android), web, and backend services with zero platform-specific channels.

iOS & Android readyPure DartHMAC verificationMulti-chain selector
kkhay
$flutter pub add kkhay
GitHub
PH

PHP & Laravel

1.0.4
kkhay/kkhay
Packagist

Official PHP SDK for Laravel, Symfony, WordPress, and vanilla PHP applications. Built with standard ext-curl and timing-safe hash_equals.

PHP 8.1+ readyhash_equals securityLaravel compatibleZero 3rd party deps
kkhay/kkhay
$composer require kkhay/kkhay
GitHub
C#

C# / .NET

1.0.4
Kkhay
NuGet

Official .NET and C# SDK supporting .NET 8.0 and .NET Standard 2.1 for ASP.NET Core, Blazor, and enterprise microservices.

.NET 8 & Standard 2.1ASP.NET Core readyDependency injectionSystem.Text.Json
Kkhay
$dotnet add package Kkhay
GitHub
RU

Ruby & Rails

1.0.4
kkhay
RubyGems

Official Ruby gem for Ruby on Rails, Sinatra, and Hanami. Built strictly with Ruby standard library net/http and OpenSSL.

Ruby >= 3.0Zero dependenciesRails readyOpenSSL timing-safe
kkhay
$gem install kkhay
GitHub
JA

Java & Kotlin

1.0.4
com.kkhay:kkhay
Maven Central

Official Java, Kotlin, and Spring Boot SDK for enterprise backends with built-in HMAC verification and thread-safe HTTP clients.

Java 11, 17, 21, 25 (LTS)Spring Boot readyAndroid compatibleStrict typing
com.kkhay:kkhay
$mvn dependency:get -Dartifact=com.kkhay:kkhay:1.0.4
GitHub
SW

Swift & iOS

1.0.4
Kkhay
SwiftPM

Official Swift package for iOS, macOS, watchOS, and Vapor. Built with modern async/await, Apple CryptoKit, and Sendable concurrency.

Swift 5.7+ async/awaitApple CryptoKitiOS 14+ & macOS 11+Sendable compliant
Kkhay
$dependencies: [.package(url: "https://github.com/boboaungdev/kkhay-swift", from: "1.0.4")]
GitHub
EL

Elixir & Phoenix

1.0.4
kkhay
Hex.pm

Official Elixir SDK for Phoenix web applications and distributed OTP systems using built-in :httpc and :crypto modules.

Elixir >= 1.14Phoenix Plug readyZero native depsOTP concurrent
kkhay
${:kkhay, "~> 1.0.4"}
GitHub
TE

Telegram & grammY

1.0.4
@kkhay/telegram
npm

Official grammY & Telegram Mini Apps (TMA) crypto payment plugin with auto-updating inline keyboards and seamless popup checkouts.

Telegram Mini Apps (TMA)grammY pluginLive message editZero custody
@kkhay/telegram
$npm install @kkhay/telegram grammy
GitHub
WO

WordPress / WooCommerce

1.0.4
kkhay-woocommerce
GitHub Release

Official WooCommerce payment gateway with HPOS compatibility, zero rolling reserves, and instant on-chain order fulfillment.

WooCommerce HPOS readyZero rolling reservesGutenberg BlocksZero chargebacks
kkhay-woocommerce
$Upload kkhay.zip via WP Admin > Plugins > Add New > Upload Plugin
GitHub
CO

Command-Line Interface

1.0.4
kkhay-cli
npm

Official developer terminal tool for creating invoices, rendering high-contrast ASCII QR codes, and simulating signed IPN webhooks.

ASCII QR codesWebhook test simulatorAPI key validatorInstant checkout launcher
kkhay-cli
$npx kkhay-cli --help
GitHub