Help Center> DataArts Studio> API Reference> Data Lake Mall APIs> API Management> Creating an API

Updated on 2022-09-15 GMT+08:00

View PDF

Creating an API

Description

This API is used to create an API.

URI

URI format
POST /v1/{project_id}/service/apis

Parameter description

Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID. For details about how to obtain the project ID, see Project ID and Account ID.
api	No	Dictionary	API

api parameter description

Parameter	Mandatory	Type	Description
catalog_id	Yes	String	Catalog ID. The ID of the root catalog is 0.
name	Yes	String	API name, which can contain 3 to 64 characters, starting with a letter. Only letters, digits, and underscores (_) are allowed.
description	Yes	String	API description, which contains no more than 255 characters
log_flag	Yes	Boolean	Whether to enable the log function. Value true means to enable the function, and false means the opposite.
api_type	Yes	String	API type. Available values include: API_SPECIFIC_TYPE_CONFIGURATION: The API obtains data through configuration. API_SPECIFIC_TYPE_SCRIPT: The API obtains data through a script.
auth_type	Yes	String	Authentication mode. Available values include: The value can be APP (app authentication), IAM (IAM authentication), or NONE (no authentication).
manager	Yes	String	API reviewer name
path	Yes	String	API path The request path can contain request parameters enclosed in braces ({}), for example, /getUserInfo/{userId}, and special characters *%+-_. are not allowed.
protocol	Yes	String	API access protocol. Available values include: PROTOCOL_TYPE_HTTP: HTTP PROTOCOL_TYPE_HTTPS: HTTPS
request_type	Yes	String	API request type. Available values include: REQUEST_TYPE_POST: POST type REQUEST_TYPE_GET: GET type
request_paras	No	Dictionary	API request parameters
datasource_config	No	Dictionary	API data source configuration (required for API creation, but not for API registration)
data_mask_switch	No	Boolean	Whether to enable data masking This parameter is available only in DLM Exclusive.
data_mask_paras	No	Dictionary	Data masking parameters

request_paras parameter description

Parameter	Mandatory	Type	Description
name	Yes	String	Parameter name The value can contain 1 to 32 characters, including letters, digits, periods (.), hyphens (-), and underscores (_), and must start with a letter. If the parameter is in the header, the parameter name cannot contain underscores (_). The parameter name is case-insensitive and cannot start with x-apig- or x-sdk-. It cannot be x-stage, x-api-id, x-app-id, or x-request-id. If the parameter is in the header, the parameter name cannot be Authorization or X-Auth-Token.
position	Yes	String	Parameter position. Available values include: The value can be REQUEST_PARAMETER_POSITION_PATH, REQUEST_PARAMETER_POSITION_HEADER, or REQUEST_PARAMETER_POSITION_QUERY.
type	Yes	String	Parameter type. The value can be REQUEST_PARAMETER_TYPE_NUMBER or REQUEST_PARAMETER_TYPE_STRING.
description	Yes	String	Parameter description, which contains no more than 255 characters
necessary	Yes	Boolean	Mandatory
example_value	No	String	Example value
support_null	No	Boolean	Whether null is allowed
default_value	No	String	Default value

datasource_config parameter description

Parameter	Mandatory	Type	Description
type	Yes	String	Data source type The value can be DWS, MYSQL, or DLI.
connection_id	Yes	String	Data connection ID
connection_name	Yes	String	Connection name
database	Yes	String	Database name
datatable	No	String	Data table name. This parameter is not required when the data obtaining method is script.
table_id	No	String	Data table ID. This parameter is not required when the data obtaining method is script.
queue	No	String	Data queue. When the data source is DLI, you need to select a data connection. For other types of data sources, you do not need to set this parameter.
access_mode	Yes	String	Mode of obtaining data SQL: Data is obtained using SQL statements. The public cloud only supports this mode. ROW_KEY: Data is obtained through the row key. This mode applies only to the HBase data source. PREFIX_FILTER: Data is obtained through the prefix filter. This mode applies only to the HBase data source.
pagination	Yes	String	Pagination mode The value can be DEFAULT or CUSTOM.
sql	Yes	String	SQL statement (Base64 encoded)
total_size_switch	No	Boolean	Whether to return the total number of records
total_size_sql	No	Boolean	SQL script for calculating the total number of records in the dataset in the script mode This parameter is mandatory if the API uses a script to obtain data and return of the total number of records is enabled.
backend_paras	Yes	Dictionary	Request parameters
response_paras	Yes	Dictionary	Response parameters
order_paras	Yes	Dictionary	Sorting parameters

data_mask_paras parameter description

Parameter	Mandatory	Type	Description
column_name	Yes	String	Field name (subject to the field name in the returned result)
algorithm_name	Yes	String	Algorithm name. For details, see Data Security APIs.
algorithm_type	Yes	String	Algorithm type. For details, see Data Security APIs.
en_name	Yes	String	Algorithm name in English. For details, see Data Security APIs.
algorithm_parameters	Yes	String	Algorithm parameters. For details, see Data Security APIs.
failure_policy	Yes	String	Failure policy to be applied when an exception occurs during data masking. Available values include: INTERRUPT_AND_EXCEPTION 2. DEFAULT_VALUE 3. SKIP 4. SET_NULL
default_value	No	String	Default value to be obtained when a failure occurs. This parameter is required only when failure_policy is DEFAULT_VALUE.

backend_paras parameter description

Parameter

Mandatory

Type

Description

name

Yes

String

Request parameter name

The name must be one that has been defined in requestParas.

mapping

String

Binding field. This parameter is required by APIs that obtain data through configuration, and not required by APIs that obtain data using a script.

condition

String

Operator. Available values include:

CONDITION_TYPE_EQ: equal to

CONDITION_TYPE_NE: not equal to

CONDITION_TYPE_GT: greater than

CONDITION_TYPE_GE: greater than or equal to

CONDITION_TYPE_LT: less than

CONDITION_TYPE_LE: less than or equal to

CONDITION_TYPE_LIKE: %parameter%

CONDITION_TYPE_LIKE_L: %parameter

CONDITION_TYPE_LIKE_R: parameter%

response_paras parameter description

Parameter	Mandatory	Type	Description
name	Yes	String	Request parameter name The name must be one that has been defined in requestParas.
field	Yes	String	Binding field. This parameter is required by APIs that obtain data through configuration, and not required by APIs that obtain data using a script.
type	Yes	String	Parameter type. The value can be REQUEST_PARAMETER_TYPE_NUMBER or REQUEST_PARAMETER_TYPE_STRING.
description	No	String	Parameter description
example_value	No	String	Example value

order_paras parameter description

Parameter	Mandatory	Type	Description
name	Yes	String	Sorting parameter name
field	Yes	String	Sorting field (field in the database table)
description	Yes	String	Parameter description, which contains no more than 255 characters
optional	Yes	Boolean	Mandatory or optional
sort	Yes	String	Sorting order. The value can be ASC (ascending order), DESC (descending order), or CUSTOM (user-defined order).
order	Yes	Integer	Sequence of sorting parameters

Request Message

Example request

{
  "catalog_id": "0",
  "name": "testOpenApi_create_configuration",
  "description": "configuration",
  "log_flag": false,
  "api_type": "API_SPECIFIC_TYPE_CONFIGURATION",
  "auth_type": "APP",
  "publish_type": "PUBLISH_TYPE_PRIVATE",
  "manager": "test",
  "path": "/testOpenApi_configuration/{p}",
  "protocol": "PROTOCOL_TYPE_HTTP",
  "request_type": "REQUEST_TYPE_GET",
  "request_paras": [
    {
      "name": "p",
      "position": "REQUEST_PARAMETER_POSITION_PATH",
      "type": "REQUEST_PARAMETER_TYPE_NUMBER",
      "description": "test",
      "necessary": true,
      "example_value": null,
      "support_null": true,
      "default_value": null
    },
    {
      "name": "h",
      "position": "REQUEST_PARAMETER_POSITION_HEADER",
      "type": "REQUEST_PARAMETER_TYPE_STRING",
      "description": "",
      "necessary": false,
      "example_value": "",
      "support_null": false,
      "default_value": ""
    },
    {
      "name": "q",
      "position": "REQUEST_PARAMETER_POSITION_QUERY",
      "type": "REQUEST_PARAMETER_TYPE_NUMBER",
      "description": "",
      "necessary": true,
      "example_value": null,
      "support_null": false,
      "default_value": null
    }
  ],
  "datasource_config": {
    "type": "DLI",
    "connection_id": "8a94809a70fa181e0130fd2cbb6e0007",
    "database": "default",
    "queue": "default",
    "access_type": "CONFIGURATION",
    "access_mode": "SQL",
    "pagination": "DEFAULT",
    "table_name": "testTable",
    "backend_paras": [
      {
        "name": "p",
        "mapping": "a1",
        "condition": "CONDITION_TYPE_EQ"
      },
      {
        "name": "h",
        "mapping": "a2",
        "condition": "CONDITION_TYPE_EQ"
      },
      {
        "name": "q",
        "mapping": "a3",
        "condition": "CONDITION_TYPE_EQ"
      }
    ],
    "response_paras": [
      {
        "name": "a1",
        "type": "REQUEST_PARAMETER_TYPE_STRING",
        "field": "a1",
        "description": "",
        "example_value": ""
      },
      {
        "name": "a2",
        "type": "REQUEST_PARAMETER_TYPE_STRING",
        "field": "a2",
        "description": "",
        "example_value": ""
      },
      {
        "name": "a3",
        "type": "REQUEST_PARAMETER_TYPE_NUMBER",
        "field": "a3",
        "description": "",
        "example_value": "1"
      }
    ],
    "order_paras": [
      {
        "field": "a1",
        "name": "o1",
        "description": "1",
        "optional": false,
        "sort": "ASC",
        "order": 1
      },
      {
        "field": "a2",
        "name": "o2",
        "description": "",
        "optional": true,
        "sort": "CUSTOM",
        "order": 2
      }
    ]
  },
"data_mask_switch":true,
"data_mask_paras":[
{
"column_name":"id",
"algorithm_name":"Retain first N and last M.",
"algorithm_type":"MASK",
"en_name":"KeepBeforeNAfterM",
"algorithm_parameters":"{\"m\":0,\"n\":1}",
"failure_policy":"SKIP",
"default_value":""
}
]
}

Response

Example response

{
  "id": "6b9e682fd6d0ef7c0f67470124b20762"
}

Response parameter description

Parameter

Type

Description

id

String

ID of the created API

Parameter	Type	Description
id	String	ID of the created API

Status Code

Status Code	Description
200	The API is registered successfully.

For details about status codes, see Status Codes.

Parent topic: API Management

Previous topic: API Management

Next topic: Debugging an API

Feedback

Was this page helpful?

Helpful Not helpful

Provide feedback

Thank you very much for your feedback. We will continue working to improve the documentation.

The system is busy. Please try again later.

Which of the following issues have you encountered?

Content is inconsistent with the product UI

Unclear descriptions

Lack of examples or code

Incorrect steps

Can't find what I need

Lack of best practices

Feedback (optional)

0/500

Select at least one type of issue, and enter your comments or suggestions.

Enter a maximum of 500 characters.

Submit Cancel