Errors

All errors use the same envelope. Stack traces are never returned to clients.

{
  "error": {
    "code": "INSUFFICIENT_BALANCE",
    "message": "Wallet available balance is too low to reserve this send.",
    "request_id": "req_01hx..."
  }
}

• INVALID_PHONE_NUMBER
• INVALID_SENDER_ID / SENDER_NOT_APPROVED
• INSUFFICIENT_BALANCE
• RATE_LIMITED
• INVALID_API_KEY
• IDEMPOTENCY_CONFLICT
• TEST_KEY_LIVE_FORBIDDEN
• UNAUTHENTICATED
• MFA_REQUIRED / STEP_UP_REQUIRED