Base URL
sk_test_ keys use test money, sk_live_ keys real money, and every object carries livemode.
HTTPS only, TLS 1.2 or later. Plain HTTP is refused, not redirected.
Requests
Responses
A successful response is the object itself, with no envelope. Every object hasid, an object field naming its type, and livemode.
{ "object": "list", "data": [...], "has_more": true, "next_cursor": "..." } (Pagination). Errors return { "error": { ... } } (Errors).