Create a perp sub-account (alias)
POST /v1/perps/sub-accounts — Agent-native alias of `POST /v1/perp-wallets`. Same body, same response shape.
POST /v1/perps/sub-accounts
Agent-native alias of POST /v1/perp-wallets. Same body, same response shape.
| Method | POST |
| Path | /v1/perps/sub-accounts |
| Auth | Authorization: Bearer <token> required when GATEWAY_AUTH_TOKEN is set |
| Category | perps |