Preparation Operations / Updating Letter Track State

Application Scenarios

  • After completing the setting or adding of a letter track, merchants should further call this API to activate its state before issuing e-invoice.

API URLs:

  • Stage: https://einvoice-stage.ecpay.com.tw/B2CInvoice/UpdateInvoiceWordStatus
  • Production: https://einvoice.ecpay.com.tw/B2CInvoice/UpdateInvoiceWordStatus

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.

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 more than 10 minutes after the timestamp sent by merchants, this request will fail.
    Reference information is as follows:http://www.epochconverter.com/
  • Merchants are advised to frequently synchronize their server time to the nearest time zone server.

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 do AES decryption to the Data first and then perform urldecode

TrackID String(10)
Required

  • ID of the letter track numbers
  • This is referred to the letter track number returned by ECPay after setting the letter track numbers.

InvoiceStatus Int
Required

  • State of the letter track
  • The following lists three values that can be set for the state.
    0: to deactivate the TrackID.
    1: to pause the TrackID.
    2: to activate the TrackID.
    If set to 0 (i.e., to deactivate the TrackID), the e-invoice within the TrackID cannot be uploaded to the platform.

Example

				
					{
    "MerchantID": "2000123",
    "TrackID": "1234567890",
    "InvoiceStatus": 2
}
				
			

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
  • Respond 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 first and then perform 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 indicating whether the API is successfully executed or not.

Example

				
					{
  "RtnCode": 1,
  "RtnMsg": "成功"
}
				
			

YAML

The provided YAML file is used to define the configuration, structure, operations, and infrastructure management information of the API, making it easier for developers to understand and use the API.

				
					openapi: 3.1.0
info:
  title: ECPay Setting Track Number Status API
  version: 1.0.0
servers:
  - url: https://einvoice.ecpay.com.tw
    description: Production Environment
  - url: https://einvoice-stage.ecpay.com.tw
    description: Testing Environment
paths:
  /B2CInvoice/UpdateInvoiceWordStatus:
    post:
      summary: Set Track Number Status
      description: Set the status of the track number after it has been added.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - MerchantID
                - RqHeader
                - Data
              properties:
                PlatformID:
                  type: string
                  description: Platform identifier (optional)
                MerchantID:
                  type: string
                  description: Merchant identifier
                RqHeader:
                  type: object
                  properties:
                    Timestamp:
                      type: number
                      description: Timestamp of the request
                Data:
                  type: string
                  description: Encrypted data in JSON format
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                type: object
                properties:
                  PlatformID:
                    type: string
                    description: Platform identifier
                  MerchantID:
                    type: string
                    description: Merchant identifier
                  RpHeader:
                    type: object
                    properties:
                      Timestamp:
                        type: number
                        description: Timestamp of the response
                  TransCode:
                    type: integer
                    description: Transmission code
                  TransMsg:
                    type: string
                    description: Transmission message
                  Data:
                    type: string
                    description: Encrypted data in JSON format
        '400':
          description: Invalid request
        '500':
          description: Server error
components:
  schemas:
    requestBody.Data:
      type: object
      properties:
        MerchantID:
          type: string
          description: Merchant identifier
        TrackID:
          type: string
          description: Track number ID
        InvoiceStatus:
          type: integer
          description: Invoice track status
          enum:
            - 0
            - 1
            - 2
    responses.Data:
      type: object
      properties:
        RtnCode:
          type: integer
          description: Response code
        RtnMsg:
          type: string
          description: Response message

				
			

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