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What’s new with 1099-INTs at Treasury Prime? Treasury Prime has transitioned to a new vendor partner, TaxBandits, and enhanced our 1099-INT generation endpoint, making it easier for you to manage the 1099-INT creation and filing process, leveraging our API. For full details, please see our updated 1099-INT guide What are the 1099 filing deadlines, and what does your organization need to know to be prepared? If your organization uses the Treasury Prime ledger and disburses interest to customers, you may be required to provide your customers with 1099-INTs for the previous calendar year. Customers who are obligated to provide 1099s must do so by February 2, 2026. Treasury Prime supports 1099-INTs generation, but we will require your action to ensure accuracy and distribution to your end users. ACTION REQUIRED Please verify the following information about your organization with your Treasury Prime account manager before you begin generating 1099-INTs with our API. It will not be possible to generate 1099-INTs via Treasury Prime until we have received this information.
  • Legal name of your organization
  • Address of your organization in the US
  • Phone number of your organization
  • TIN (Taxpayer Identification Number) of your organization
Pricing The costs associated with generating forms 1099-INT via Treasury Prime for the 2025 tax year for your organization are as follows. You need to confer with your bank partner and/or your Treasury Prime Relationship Manager to determine whether you need to execute an amendment to your existing contract to account for the costs of this product.  To the extent you need to execute an amendment, it is your responsibility to work with Treasury Prime to ensure that an amendment is executed no later than January 5th, 2026.
  • 1099 filing: $2 per filing (includes state and Federal)
  • Corrected 1099 filings (if needed): $2 per filing. (A corrected filing is one which needs to be amended subsequent to filing through the API)
  • $250 platform fee (charged once yearly in February)
In summary To generate these forms accurately and ensure your customers receive them on time, please adhere to the following steps:
  • Ensure you’ve provided the information under the ‘Action Required’ heading above to your account manager prior to using our API to create 1099-INTs.
  • Make sure all relevant transactions for 2025 are correctly categorized as “interest”. You can do this by setting the “category” field on the transaction object to “interest”. See our documentation here.
  • You will be able to reference our updated 1099-INT documentation to understand how to generate, verify, and file 1099-INT forms.
  • Disburse the forms to your end users by February 2, 2026.
  • Note: Treasury Prime cannot provide advice on a customer’s tax liability. If you have any questions, it is recommended that you consult a tax professional.