Releases
SDK releases and compatibility
Check supported runtimes and SDK versions before installing or upgrading.
API and package versions
The 0.1 SDKs support sending and retrieving emails through /api/v1. SDK versions are separate from the API version. Keep a dependency lockfile and read the package’s changelog before upgrading.
Supported environments
| Package or integration | Runtime |
|---|---|
| PHP | PHP 8.3+ with cURL |
| Laravel | Laravel 13; PHP 8.3+ with cURL |
| Symfony | Symfony Mailer 7.4; PHP 8.3+ with cURL |
| JavaScript / TypeScript | Node.js 22.12+; ES modules |
| Next.js / Nuxt | JavaScript SDK in a Node.js 22.12+ server runtime |
| Python | Python 3.10+ |
| Django | Django 5.2; Python 3.10+ |
| Java / Kotlin | Java 17+; Kotlin uses the Java SDK |
| Spring Boot | Spring Boot 4.1; Java 17+ |
Upgrading
A minor version change in the 0.x series may include breaking changes. Review the changelog linked from each SDK repository and test your send and error handling before upgrading. SDKs are MIT licensed.