I've been using my custom JSV Format for years: https://github.com/ServiceStack/ServiceStack.Text/wiki/JSV-Format https://github.com/ServiceStack/ServiceStack.

I've been using my custom JSV Format for years: https://github.com/ServiceStack/ServiceStack.Text/wiki/JSV-Format https://github.com/ServiceStack/ServiceStack.Text/wiki/JSV-F... Which is just JSON with CSV-escaping which is ends up being faster, more concise and more human-friendly since quotes are only necessary when using special delimiter chars. It's just not as interoperable or ubiquitous as JSON so only an option when you control both ends.