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Official Reloop SDKs for Node.js, Python, Go, Rust, PHP, Ruby, Elixir, Java, and .NET. Install, authenticate, and send your first message in minutes.
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Each SDK includes install guides, code samples, and links to framework-specific docs.
Node.js
Send email from Node.js and TypeScript with the official SDK—async/await, full types, and framework guides for Next.js, Express, and more.
npm install @reloop/nodeView Node.js guide →02Python
Integrate Reloop with Flask, FastAPI, or any Python app using a clean client with type hints and straightforward error handling.
pip install reloopView Python guide →03Go
Use the Go SDK for high-throughput services with context-aware requests and minimal dependencies.
go get github.com/reloop/reloop-goView Go guide →04Rust
Send email from Rust with an async-first crate built for performance-critical applications.
cargo add reloop tokio --features fullView Rust guide →05PHP
Composer-ready PHP SDK with Laravel and Symfony guides for transactional and marketing email.
composer require reloop/reloop-phpView PHP guide →06Ruby
Ship email from Rails, Sinatra, or any Ruby app with a gem that follows familiar conventions.
gem install reloopView Ruby guide →07Elixir
Send email from Elixir and Phoenix with an OTP-friendly client for reliable, concurrent delivery.
{:reloop, "~> 0.1.0"}View Elixir guide →08Java
Use the Java SDK in Spring Boot or plain JVM apps with Maven or Gradle dependencies.
sh.reloop:reloop-java:0.1.0View Java guide →09.NET
Send email from C# and .NET 6+ with a NuGet package designed for modern async applications.
dotnet add package ReloopView .NET guide →One API key.
Every language.
Create your Reloop account, verify a domain, and send from any SDK—or use our SMTP relay if you prefer standard mail protocols.