Printing Operations / Printing E-invoice

Application 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/B2CInvoice/InvoicePrint
Production: https://einvoice.ecpay.com.tw/B2CInvoice/InvoicePrint

HTTPS format

Content Type ：application/json
HTTP Method ：POST

Request by Merchant (Json format)

PlatformID String(10)

This parameter is specifically designed for platform vendors collaborating with ECPay. It can only be utilized after applying for and activating the service.
If you are a general vendor, please leave the PlatformID empty.
When using this parameter, the MerchantID must be filled in with the specific store code bound to your PlatformID to prevent operation failures.
Please note that only the MerchantID of a bound sub-merchant can be used to avoid operational failures. For binding operations, please contact your business representative.

MerchantID String(10)
Required

RqHeader Object
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

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: single-sided printing (default).
2: double-sided printing.
3: printing with thermal paper.
4: B2B A4 (Only invoives with Tax ID Number can be used)
5: B2B A5 (Only invoives with Tax ID Number can be used)

IsShowingDetail Int

1：Show details
2：Hide details

Special Notes：

Invoices with TaxNumber will always show the details and will not refer to the setting of this parameter.
If this parameter is not set, invoices “with TaxNumber” will “show” details by default, and invoices “without TaxNumber” will “not show” details by default
When [PrintStyle] is B2B A4 or B2B A5, all details will be showed will not refer to the setting of this parameter.

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)
Required

RpHeader Object

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