Powerful HTTP and GraphQL tool belt

Free and open source on Mac, Windows, and Linux

age=lt.13&(student=eq.true|gender=eq.M)&group_by=sum(age),grade,gender&having=min(age)=gt.13&order_by=age.desc,height.asc&page=20&page_size=100&x=123&y=456

into

Query {
filters: [
Filter {
connector: None,
condition: Condition {
left: Column("age"),
equality: LT,
right: Number(13)
},
subfilter: [
Filter {
...

PostgREST serves a fully RESTful API from any existing PostgreSQL database. It provides a cleaner, more standards-compliant, faster API than you are likely to write from scratch.

My PyCon Ru 2014 slides about writing secure APIs are online: