Download

Signal v0.21 release files

Resource	Link	Contents
Signal for Windows x64	Download	Portable application, default settings, user guide and source code. No installation needed.
Signal source code	Download	Source package from the same release, including runtime resources, README and build scripts.
Postman collection and environment	Download	Import both files into Postman to work with the Signal HTTP API.

Transaction file examples are available in the transaction data model reference.