Injecting a Data Watermark

Function

This API is used to dynamically inject a watermark into the JSON body.

URI

POST /v1/{project_id}/sdg/database/watermark/embed

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID.

Request Parameters

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	User token, which can be obtained by calling the IAM API (value of X-Subject-Token in the response header).

**Table 3** Request body parameters
Parameter	Mandatory	Type	Description
watermark_content	Yes	String	Watermark content
watermark_key	Yes	String	Watermark key
columns	Yes	Array of Columns objects	List of field types. The number of field types in a list cannot exceed 100. At least two fields must be included. primary_key set to true indicates the primary key and primary_key set to false indicates watermark injection.
data	Yes	Array of Map<String,Object> objects	Content of a field, which can contain a maximum of 2000 characters.

**Table 4** Columns
Parameter	Mandatory	Type	Description
name	Yes	String	Field name, which can contain a maximum of 256 characters.
type	Yes	String	Field type. Enumeration values: INTEGER STRING DOUBLE
primary_key	Yes	Boolean	Whether a field in the database table is a primary key.

Response Parameters

Status code: 200

**Table 5** Response body parameters
Parameter	Type	Description
marked_data	Array of Map<String,Object> objects	Watermarked data

Status code: 400

**Table 6** Response body parameters
Parameter	Type	Description
error_code	String	Error Code
error_msg	String	Error Message

Example Requests

POST https://{endpoit}/v1/{project_id}/sdg/database/watermark/embed

{
  "watermark_content" : "test12345678test",
  "watermark_key" : "keyword",
  "columns" : [ {
    "name" : "item1",
    "type" : "INTEGER",
    "primary_key" : true
  }, {
    "name" : "item2",
    "type" : "INTEGER",
    "primary_key" : false
  } ],
  "data" : [ {
    "item1" : 0,
    "item2" : 3
  }, {
    "item1" : 1,
    "item2" : 4
  } ]
}

Example Responses

Status code: 200

Request successful.

{
  "marked_data" : [ {
    "item2" : 3,
    "item1" : "test"
  }, {
    "item2" : 5,
    "item1" : "test"
  } ]
}

Status code: 400

Parameter error.

{
  "error_code" : "DSC.00000004",
  "error_msg" : "Invalid parameter"
}

Status Codes

Status Code	Description
200	Request successful.
400	Parameter error.

Error Codes

See Error Codes.

Parent topic: Data Watermarking

Previous topic: Data Watermarking

Next topic: Extracting a Data Watermark

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