# DeepSeek API Error Codes

{% embed url="<https://api-docs.deepseek.com/quick_start/error_codes>" %}

<table><thead><tr><th width="130.06669108072919" valign="top">Error Codes</th><th width="275.199951171875" valign="top"></th><th valign="top"></th></tr></thead><tbody><tr><td valign="top"><strong>400</strong></td><td valign="top">Invalid Format</td><td valign="top"><strong>Cause</strong>: Invalid request body format.<br><strong>Solution</strong>: Please modify your request body according to the hints in the error message. For more API format details, please refer to <a href="https://api-docs.deepseek.com/">DeepSeek API Docs.</a></td></tr><tr><td valign="top"><strong>401</strong></td><td valign="top">Authentication Fails</td><td valign="top"><strong>Cause</strong>: Authentication fails due to the wrong API key.<br><strong>Solution</strong>: Please check your API key. If you don't have one, please <a href="https://platform.deepseek.com/api_keys">create an API key</a> first.</td></tr><tr><td valign="top"><strong>402</strong></td><td valign="top">Insufficient Balance</td><td valign="top"><strong>Cause</strong>: You have run out of balance.<br><strong>Solution</strong>: Please check your account's balance, and go to the <a href="https://platform.deepseek.com/top_up">Top up</a> page to add funds.</td></tr><tr><td valign="top"><strong>422</strong></td><td valign="top">Invalid Parameters</td><td valign="top"><strong>Cause</strong>: Your request contains invalid parameters.<br><strong>Solution</strong>: Please modify your request parameters according to the hints in the error message. For more API format details, please refer to <a href="https://api-docs.deepseek.com/">DeepSeek API Docs.</a></td></tr><tr><td valign="top"><strong>429</strong></td><td valign="top">Rate Limit Reached</td><td valign="top"><strong>Cause</strong>: You are sending requests too quickly.<br><strong>Solution</strong>: Please pace your requests reasonably. We also advise users to temporarily switch to the APIs of alternative LLM service providers, like OpenAI.</td></tr><tr><td valign="top"><strong>500</strong></td><td valign="top">Server Error</td><td valign="top"><strong>Cause</strong>: Our server encounters an issue.<br><strong>Solution</strong>: Please retry your request after a brief wait and contact us if the issue persists.</td></tr><tr><td valign="top"><strong>503</strong></td><td valign="top">Server Overloaded</td><td valign="top"><strong>Cause</strong>: The server is overloaded due to high traffic.<br><strong>Solution</strong>: Please retry your request after a brief wait.</td></tr></tbody></table>