POST /auth-saas/signup

curl -X POST 'https://chat-api.paicloud.ai//auth-saas/signup' \
  -H 'Authorization: Bearer YOUR_API_TOKEN' \
  -H 'Content-Type: application/json' \
  -d '{
  "email": "user@example.com",
  "password": "password"
}'

{
  "message": "message"
}