# Error Codes

When calling DeepSeek API, you may encounter errors. Here list the causes and solutions.

|                     CODE                     | DESCRIPTION                                                                                                                                                                                                                                                                                   |
| -------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| 400 - Invalid Format                         | **Cause**: Invalid request body format.  /  **Solution**: Please modify your request body according to the hints in the error message. For more API format details, please refer to [DeepSeek API Docs.](https://api-docs.deepseek.com/quick_start/your_first_api_call.md)                    |
| 401 - Authentication Fails                   | **Cause**: Authentication fails due to the wrong API key.  /  **Solution**: Please check your API key. If you don't have one, please [create an API key](https://platform.deepseek.com/api_keys) first.                                                                                       |
| 402 - Insufficient Balance                   | **Cause**: You have run out of balance.  /  **Solution**: Please check your account's balance, and go to the [Top up](https://platform.deepseek.com/top_up) page to add funds.                                                                                                                |
| 422 - Invalid Parameters                     | **Cause**: Your request contains invalid parameters.  /  **Solution**: Please modify your request parameters according to the hints in the error message. For more API format details, please refer to [DeepSeek API Docs.](https://api-docs.deepseek.com/quick_start/your_first_api_call.md) |
| 429 - Rate Limit Reached                     | **Cause**: You are sending requests too quickly, or have exceeded a concurrency or QPS limit.  /  **Solution**: Please pace your requests reasonably. For model rate limits, see [Rate Limit & Isolation](https://api-docs.deepseek.com/quick_start/rate_limit.md).                           |
| 500 - Server Error                           | **Cause**: Our server encounters an issue.  /  **Solution**: Please retry your request after a brief wait and contact us if the issue persists.                                                                                                                                               |
| 503 - Server Overloaded                      | **Cause**: The server is overloaded due to high traffic.  /  **Solution**: Please retry your request after a brief wait.                                                                                                                                                                      |