In the case of a client using POST method enquiring about HTTP error: "411 - Length Required", this will be related to the 'content-length' not being present on their POST API request.
To resolve this problem there are two possibilities:
- Have the client switching to GET method, although this might be a concern on the client side due to decreased privacy of their API calls.
- Ensure that the content-length header is included on their POST API requests.
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