> For the complete documentation index, see [llms.txt](https://docs.ledge.co/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ledge.co/api-reference/fundamentals/status-codes.md).

# Status Codes

The Ledge API uses the [standard HTTP status codes](https://en.wikipedia.org/wiki/List_of_HTTP_status_codes). Below is a list of possible status codes returned by the Ledge API:

<table><thead><tr><th width="213">Status Code</th><th>Details</th><th data-hidden></th></tr></thead><tbody><tr><td>200</td><td>The request was successful</td><td></td></tr><tr><td>204</td><td>The request was successful, and no content is returned</td><td></td></tr><tr><td>400</td><td>The input data was malformed</td><td></td></tr><tr><td>401</td><td>The request was unauthorized, please check your API key and contact Ledge for assistance</td><td></td></tr><tr><td>403</td><td>The request was rejected for security reasons, contact Ledge for assistance</td><td></td></tr><tr><td>404</td><td>The requested resource was not found</td><td></td></tr><tr><td>500</td><td>An error occurred on the Ledge side, and is closely monitored. Contact Ledge for more details and remediation.</td><td></td></tr><tr><td>503</td><td>An error occurred on the Ledge side, and is closely monitored. Contact Ledge for more details and remediation.</td><td></td></tr><tr><td>504</td><td>The request exceeded the timeout. Try a smaller <code>limit</code> query parameter or contact Ledge for assistance.</td><td></td></tr></tbody></table>