anthropic
#10153
input_validation_error
At least one message is required. Please ensure your input includes one or more messages.
This error has been identified and solved.
Reason
The HTTP 400 Bad Request error you are encountering with the Anthropic API, specifically the message "messages: at least one message is required," indicates that your request is missing a necessary component. Here are the key reasons for this error:
Missing Required Fields
The API requires that at least one message be included in the request. If the messages field is empty or not present, the server will return a 400 error.
Invalid Request Format
The error falls under the invalid_request_error category, which means there is an issue with the format or content of your request. In this case, it is due to the absence of the required content field within the messages array.
Content Requirement
Each message in the messages array must have a non-empty content field. If this field is missing or empty, the request will be rejected with a 400 error.
Solution
To fix the HTTP 400 Bad Request error in the Anthropic API, you need to ensure your request includes the necessary components. Here are the steps to resolve the issue:
Include at least one message in the
messagesfield of your request.Ensure each message in the
messagesarray has a non-emptycontentfield.Verify that the request format is correct and aligns with the API documentation.
Key points to check:
Ensure the
messagesfield is not empty.Each message must have a
contentfield with a non-empty value.Review the request format to match the expected structure defined in the API documentation.
