# Error Codes

## HTTP Status Codes

The sFOX API communicates error codes through HTTP status codes. 

<table><thead><tr><th width="102.50390625" align="center">Code</th><th>Response</th><th>Description</th></tr></thead><tbody><tr><td align="center"><code>400</code></td><td><code>Bad Request</code></td><td>Your request was malformed in some way.</td></tr><tr><td align="center"><code>401</code></td><td><code>Unauthorized</code></td><td>Missing or incorrect API key.</td></tr><tr><td align="center"><code>403</code></td><td><code>Forbidden</code></td><td>The API key is not authorized for this endpoint.</td></tr><tr><td align="center"><code>404</code></td><td><code>Not Found</code></td><td>The specified endpoint could not be found.</td></tr><tr><td align="center"><code>405</code></td><td><code>Method Not Allowed</code></td><td>You attempted to access an endpoint with an invalid method.</td></tr><tr><td align="center"><code>406</code></td><td><code>Not Acceptable</code></td><td>You requested a format that isn’t json.</td></tr><tr><td align="center"><code>429</code></td><td><code>Too Many Requests</code></td><td>You have exceeded your request limit and have been rate limited. <a href="https://docs.sfox.com/rest-api/rate-limits">Rate limiting details here</a>.</td></tr><tr><td align="center"><code>500</code></td><td><code>Internal Server Error</code></td><td>We had a problem with our server. Try again later.</td></tr><tr><td align="center"><code>503</code></td><td><code>Service Unavailable</code></td><td>We are temporarily offline for maintenance. Please try again later.</td></tr></tbody></table>


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