RestSend

RestSend is a full-featured instant messaging project with backend services, an admin console, a Rust client core, and WASM bindings.

Crates

• crates/restsend-backend: backend service with API, WebSocket, OpenAPI, and Admin
• crates/restsend: Rust client core
• crates/restsend-wasm: WebAssembly bindings
• crates/restsend-macros: internal macros

Quick Start

docker run -p 8080:8080 -e RS_DEMO=true ghcr.io/restsend/restsend:latest

Run Backend

Build:

cargo build -p restsend-backend --release

Minimal .env:

ADDR=0.0.0.0:8080
DATABASE_URL=sqlite://restsend-server.db?mode=rwc
OPENAPI_PREFIX=/open
API_PREFIX=/api
LOG_FILE=logs/restsend-backend.log
RUN_MIGRATIONS=true

Start:

cargo run -p restsend-backend --release

Override listen address by CLI:

cargo run -p restsend-backend --release -- --addr 127.0.0.1:18080

Health check:

GET /api/health

Admin

• Admin page: /admin
• First visit can bootstrap the first superuser
• After bootstrap, login with the superuser account

Notes

• .env is loaded via dotenvy
• Default database is SQLite
• RS_PRESENCE_BACKEND=memory for single node
• RS_PRESENCE_BACKEND=db for shared presence across nodes

Features

• REST API and WebSocket realtime messaging
• Admin console
• OpenAPI integration
• Webhook support
• SQLite / MySQL via SeaORM
• Rust and WASM client support

License

• MIT, see LICENSE
• Commercial license required for production deployments serving more than 1000 users

Contact: kui@fourz.cn