----------------------------- **While I generate an answer, here are some sources that might be helpful**: * [Billing Limits]() * [Billing Examples]() * [Dashboard]() * [List Calls]() -----------------------------

### Answer Even if you have not used any of your monthly limit, you might still encounter billing issues. Here are a few steps to check: 1. **Billing Limits**: Ensure you have set a monthly billing limit correctly in the billing section of your dashboard. If the limit is set too low, it might cause issues [(1)]() . 2. **Credit Card**: Confirm that your credit card information is correctly entered and valid. Sometimes, switching to a different card can resolve the issue [(2)]() . 3. **Backend Issues**: Occasionally, the backend might still reflect old values even after you update your billing limit. This might require further investigation by the support team. You can access and adjust your billing settings at [dashboard.vapi.ai/billing]() [(1)]() . If these steps do not resolve the issue, you might want to try re-entering your card details or check if the backend still reflects the old billing limit.