Go is quite nice for this, generally low traffic services are less than 100mb used memory if you're using the standard lib stuff and it's not a huge jump from the JVM to Go.

Looks like lunch is on Lance....

Nah, that was the blue team - this is the red team 😅

Insomnia is a bit more like classic postman, though it's kinda heading the same way too.

Ended up falling back to cURL and shell history for REST stuffs a lot of the time.