# e-Invoice API List

## Inquiry authorization invoice track and period number

```
(after 2019-02-22)
POST Inquire/GetInvoiceIDList
```

Please use the new test location to test API。

[Sending Data Description](https://slproject.gitbook.io/sl-einv-project/en/inquiry-authorization-invoice-track-and-period-number)

## Upload the blank invoice number

```
(after 2019-02-22)
POST Append/TrackBlank
```

[Sending Data Description](https://slproject.gitbook.io/sl-einv-project/en/upload-the-blank-invoice-number)

## Update the blank invoice number

```
(after 2019-02-22)
POST Update/SetBlankInvoiceID
```

[Sending Data Description](https://slproject.gitbook.io/sl-einv-project/en/update-the-blank-invoice-number)

## Batch upload for multiple invoice

```
(after 2019-02-22)
POST Append/Invoices
```

[Sending Data Description](https://slproject.gitbook.io/sl-einv-project/en/batch-upload-for-multiple-invoice)

## Batch update for multiple invoice

```
(after 2019-02-22)
POST Update/Invoices
```

[Sending Data Description](https://slproject.gitbook.io/sl-einv-project/en/batch-upload-for-multiple-invoice)

## Upload multiple invoice and Print

```
(after 2019-02-22)
POST Append/PrintInvoices
```

[Sending Data Description](https://slproject.gitbook.io/sl-einv-project/en/batch-upload-for-multiple-invoice)

## Query multiple invoice upload status

```
(after 2019-02-22)
POST Inquire/GetInvoicesAppendStatus
```

[Sending Data Description](https://slproject.gitbook.io/sl-einv-project/en/cha-xun-duo-bi-fa-piao-shang-chuan-zhuang-tai)

## Batch void invoice

```
(after 2019-02-22)
POST Update/CancelInvoices
```

[Sending Data Description](https://slproject.gitbook.io/sl-einv-project/en/fa-piao-zuo-fei-shang-chuan-ge-shi)

## Batch void blank invoice

### (Used when the invoice number is not sequential and produces a blank number)

```
(after 2019-02-22)
POST Append/BlankCancel
```

[Sending Data Description](https://slproject.gitbook.io/sl-einv-project/en/fa-piao-zuo-fei-shang-chuan-ge-shi)

## Invoice discount

```
(after 2019-02-22)
POST Update/AllowanceInvoice
```

[Sending Data Description](https://slproject.gitbook.io/sl-einv-project/en/fa-piao-zhe-rang-shang-chuan-ge-shi)