> **Documentation Index:** Fetch the complete configuration index at https://yandex.com/dev/safebrowsing/doc/en/llms.txt


# Response codes

The table contains a list of response codes supported in the Safe Browsing API.


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**Code**
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**Error**
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**Description**
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200
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OK
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Request successful.
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400
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Bad Request
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Invalid request. Possible reasons:
- Syntax error in the request.
- Error in a request parameter (parameter value omitted or invalid).
- The request is too large.
- The requested list doesn't exist.
- The requested list isn't available to the user.
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403
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Forbidden
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Access denied. Check whether the API key is specified correctly.
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500
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Internal Server Error
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Internal server error. Wait and resend the request later.
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503
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Service Unavailable
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An error occurred due to the server's temporary overload or maintenance shutdown. Wait and resend the request later.
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504
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Gateway Timeout
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The gateway is not responding. Wait and resend the request later.
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|#