https://gateway.threema.ch/de/developer/sdk-rust
SDK - Threema Gateway
threema gatewaysdk
https://threema.com/en/products/work/gateway
Threema Gateway - Send and receive Threema messages with your own software. – Threema
Send and receive Threema messages with your own software. More secure, cheaper, and more versatile than SMS.
send and receivethreema gatewaywith yourmessagessoftware