A simple, extensible federated protocol for building useful applications. Formerly known as Lysand.

JSON-based APIs: Simple JSON objects are used to represent all data. MIT licensed: Versia is licensed under the MIT License, which allows you to use it for any purpose. Built-in namespaced extensions: Extensions for common use cases are built-in, such as custom emojis and reactions. Easy to implement: Versia is designed to be easy to implement in any language. Signed by default: All requests are signed using advanced cryptographic algorithms. No vendor lock-in: Standardization is heavy and designed to break vendor lock-in. In-depth security docs: Docs provide lots of information on how to program a secure instance. Official SDKs: Official SDKs are available for TypeScript.