> For the complete documentation index, see [llms.txt](https://slproject.gitbook.io/sl-einv-project/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://slproject.gitbook.io/sl-einv-project/en.md).

# English Version Summary

This document is mainly e-Invoice API related documentation. The program is still based on the current release version.

* Importing the created invoice by e-Invoice for subsequent integration operations (invoice edition).

```
  Using the HTTP POST mode to pass the invoice data, and confirming with SHA256 signature.

  e-Invoice(invoice edition) API Test Location is below.
  (after 2019-02-22)
  https://webapi.systemlead.com/terpapi

  The API version in test area is consistent with the formal area. After the test site is passed, the official site will be provided by the business staff.
```