Strest – Flexible REST Tests in YAML
github.com
github.com
(I used to work at Postman)
[1]: https://www.getpostman.com [2]: https://github.com/postmanlabs/newman
UnRAVL is neat because writing test scripts in JSON makes it easy to include a formatted request body. The drawback is that variable substitutions only support strings due to the limitations imposed by JSON.
The Russian doll model might allow someone to plug that in pretty easily.