> ## Documentation Index
> Fetch the complete documentation index at: https://cashfreepayments-d00050e9-theme-update.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Upload Physical Mandate File

> Use this API to upload the Physical Nach registration forms that contain your customer’s bank account details and signature. Use the fileId you get in the response in the "Create Auth Seamless PhysicalMandate API".