An offer id (details) is numeric, digits only, and at least 1 (00401584387
names offer 401584387). Anything else cannot name an offer: put into the path, it
could re-target the request (.., 12/34, ?x) or be sent padded (%20123%20)
with the API key attached, and 0 or a 23-digit id gets a bare HTTP 400.
An offer id (
details) is numeric, digits only, and at least 1 (00401584387names offer 401584387). Anything else cannot name an offer: put into the path, it could re-target the request (..,12/34,?x) or be sent padded (%20123%20) with the API key attached, and0or a 23-digit id gets a bare HTTP 400.