Printing Operations / Printing E-invoice

Scenarios

If the API request is successful, a URL will be returned (InvoiceHtml). Place this URL into the address bar of a browser, and the e-invoice will be displayed, which could be printed or to be saved in image or in PDF file.

API URLs:

Stage: https://einvoice-stage.ecpay.com.tw/B2BInvoice/InvoicePrint
Production: https://einvoice.ecpay.com.tw/B2BInvoice/InvoicePrint

HTTPS format

Content Type ：application/json
HTTP Method ：POST

Request by Merchant (Json format)

PlatformID String(10)

Platform merchant ID
This parameter is provided by ECPAY to the platform vendor for project cooperation, please bring in the MerchantID bound with the platform vendor.
Please leave empty for general vendor.
When the platform vendor uses the MerchantID field, it can only bring in the MerchantID that has been bound as a sub-store, otherwise it will cause a failure.

MerchantID String(10)
Required

RqHeader
Required

Request header

Timestamp Number
Required

Please convert the transmission time to a timestamp (GMT+8).
ECPay will use this parameter to convert the current time to Unix TimeStamp to verify the time interval of this connection.

Special Notes：

If ECPay receives the API call is more 10 minutes late than the timestamp sent by merchants, this request will be failed. Reference information is as follows：http://www.epochconverter.com/。
Merchants are suggested to frequently synchronize the time zone of server to another server of the nearest time zone.

Data String
Required

Message payload
This is the encrypted data in JSON format.
AES Encryption Description

Example

				
					{
    "MerchantID": "2000132",
    "RqHeader": {
        "Timestamp": 1525168923
    },
    "Data": "..."
}

Message payload of Data(Json format) : please urlencode the JSON string firstly and then do AES encryption

MerchantID String(10)
Required

InvoiceCategory Int

0: Sales invoice (check the invoice details issued by the shop to the counterparty) – (default)
1: Incoming invoice (check the details of invoices issued by the counterparty to the shop)

InvoiceNo String(10)
Required

The e-invoice numbers

The data includes 2 letter track alphabets (i.e. InvoiceHeader) and 8 digits.

InvoiceDate String(20)
Required

Date of e-invoice created

Format: yyyy-MM-dd

PrintStyle Int

The formatting of e-invoice (i.e. how you want the e-invoice to be printed.)

Values including:
- 1: A4 printing (default)
- 2: A5 printing

Example

				
					{
   "MerchantID": "2000132",
   "InvoiceNo": "UV11100016",
   "InvoiceDate": "2018-10-28"
}

Response format

Content Type ：application/json
HTTP Method ：POST

Response by ECPay (Json format)

PlatformID String(10)

MerchantID String(10)

RpHeader

Response header

Timestamp Number

Unix timestamp(GMT+8)

TransCode Int

Response code to indicate whether the payload is successfully accepted
Possible values:
- 1: Payload (i.e. MerchantID, RqHeader, and Data) is successfully accepted by ECPay.
- Others: failed.

TransMsg String(200)

Response message to indicate whether the payload is successfully accepted

Data String

Message payload
Responde relevant data, this is the encrypted JSON format data。
AES Encryption Description

Example

				
					{
    "MerchantID": "2000132",
    "RpHeader": {
        "Timestamp": 1525169058
    },
    "TransCode": 1,
    "TransMsg": "",
    "Data": "..."
}

Message payload of Data(Json format) : please do AES decryption to the Data firstly and then do urldecode.

RtnCode Int

Return codes to indicate whether the API is successfully executed or not.

Possible values:
- 1: API is successfully executed.
- Others: failed.

RtnMsg String(200)

Return messages to indicate whether the API is successfully executed or not.

InvoiceHtml String(500)

The URL is valid for 1 hour from the time of calling this print API

Example

				
					{
  "RtnCode": 1,
  "RtnMsg": "成功",
  "InvoiceHtml": "https://aa.aa.aa"
}

Green World