https://cloud.google.com/apis/design/

https://google.github.io/styleguide/jsoncstyleguide.xml

https://stackoverflow.blog/2020/03/02/best-practices-for-rest-api-design/

https://opensource.zalando.com/restful-api-guidelines

https://restfulapi.net/

https://standards.rest/

https://www.vinaysahni.com/best-practices-for-a-pragmatic-restful-api