# Bills

- [Lists Bills](https://developer.nilvera.com/en/api/e-bill-api/bills/lists-bills.md)
- [Get HTML of Bill](https://developer.nilvera.com/en/api/e-bill-api/bills/get-html-of-bill.md)
- [Get PDF of Bill](https://developer.nilvera.com/en/api/e-bill-api/bills/get-pdf-of-bill.md)
- [Get XML of Bill](https://developer.nilvera.com/en/api/e-bill-api/bills/get-xml-of-bill.md)
- [Assign Tag to Bill](https://developer.nilvera.com/en/api/e-bill-api/bills/assign-tag-to-bill.md)
- [Get Tag for Bill](https://developer.nilvera.com/en/api/e-bill-api/bills/get-tag-for-bill.md)
- [Gets Transaction History](https://developer.nilvera.com/en/api/e-bill-api/bills/gets-transaction-history.md)
- [Brings Details](https://developer.nilvera.com/en/api/e-bill-api/bills/brings-details.md)
- [Brings Mail Transaction History](https://developer.nilvera.com/en/api/e-bill-api/bills/brings-mail-transaction-history.md)
- [Brings Whatsapp Transaction History](https://developer.nilvera.com/en/api/e-bill-api/bills/brings-whatsapp-transaction-history.md)
- [Brings SMS Transaction History](https://developer.nilvera.com/en/api/e-bill-api/bills/brings-sms-transaction-history.md)
- [Gets Email Activities](https://developer.nilvera.com/en/api/e-bill-api/bills/gets-email-activities.md)
- [Bulk Exports Bills](https://developer.nilvera.com/en/api/e-bill-api/bills/bulk-exports-bills.md)
- [Assigns New Status to Bills](https://developer.nilvera.com/en/api/e-bill-api/bills/assigns-new-status-to-bills.md)
- [Sends Bill via Email](https://developer.nilvera.com/en/api/e-bill-api/bills/sends-bill-via-email.md)
- [Sends Bill Via Whatsapp](https://developer.nilvera.com/en/api/e-bill-api/bills/sends-bill-via-whatsapp.md)
- [Page 1](https://developer.nilvera.com/en/api/e-bill-api/bills/page-1.md)
- [Saves as Draft](https://developer.nilvera.com/en/api/e-bill-api/bills/saves-as-draft.md)
- [Cancel Bill](https://developer.nilvera.com/en/api/e-bill-api/bills/cancel-bill.md)
- [Undoes Bill Cancellation](https://developer.nilvera.com/en/api/e-bill-api/bills/undoes-bill-cancellation.md)
- [Get Bill Status](https://developer.nilvera.com/en/api/e-bill-api/bills/get-bill-status.md)
- [Assign Special Code to Bill](https://developer.nilvera.com/en/api/e-bill-api/bills/assign-special-code-to-bill.md)


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://developer.nilvera.com/en/api/e-bill-api/bills.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.