> For the complete documentation index, see [llms.txt](https://developer.nilvera.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.nilvera.com/en/api/e-ledger-api/file-upload.md).

# File Upload

- [A Ledger is Created by Taking the Zip .csv File](https://developer.nilvera.com/en/api/e-ledger-api/file-upload/a-ledger-is-created-by-taking-the-zip-.csv-file.md)
- [Brings Uploaded Ledgers](https://developer.nilvera.com/en/api/e-ledger-api/file-upload/brings-uploaded-ledgers.md)
- [Creates a Ledger by Taking the Base64 String Value of a Zip .csv File](https://developer.nilvera.com/en/api/e-ledger-api/file-upload/creates-a-ledger-by-taking-the-base64-string-value-of-a-zip-.csv-file.md)
- [GIB Approved Certificates of Manually Uploaded Ledgers Are Uploaded](https://developer.nilvera.com/en/api/e-ledger-api/file-upload/gib-approved-certificates-of-manually-uploaded-ledgers-are-uploaded.md)
- [Ledger Errors Are Introduced](https://developer.nilvera.com/en/api/e-ledger-api/file-upload/ledger-errors-are-introduced.md)
- [Returns the Year and Period Information of the Last Ledger](https://developer.nilvera.com/en/api/e-ledger-api/file-upload/returns-the-year-and-period-information-of-the-last-ledger.md)