If credentials exist, returns them. Otherwise returns 404.
py-clob-client’s create_or_derive_api_creds() tries this first,
then falls back to POST /auth/api-key if not found.
GET
/
auth
/
derive-api-key
Derive existing API credentials (L1 EIP-712 auth)
curl --request GET \
--url https://api.blink15.com/auth/derive-api-key