Submit Form 1099-K

This POST endpoint is used to submit a Form 1099-K (Payment Card and Third Party Network Transactions) for a specific user identified by their user_token. The 1099-K form is used to report payment card transactions and third-party network transactions to the IRS. Basic information (name, address, email, phone, TIN) is retrieved from the user's existing profile.
To use this endpoint, you need to provide the user_token as a parameter in the URL Path and the 1099-K form data in the request body.