Verifying a Blacklist

Last updated: 2020-03-12 10:10:08


Feature Description

This API is used to batch verify blacklists.

API Invocation Description

Request URL example

Request parameters

The following table lists and describes only the parameters to be modified when this API is invoked. For details on other parameters, see RESTful API Overview.

Parameter Description
v4/sns/black_list_check The request API.
sdkappid The SDKAppID assigned by the IM console when an app is created.
identifier This must be the app admin account. For details, see App Admins.
usersig The signature generated by the app admin account. For details, see Generating UserSig.
random Enter a random 32-bit unsigned integer ranging from 0 to 4294967295.

Maximum invocation frequency

The maximum invocation frequency is 200 times per second.

Request packet example


Request packet fields

Field Type Attribute Description
From_Account String Required The identifier whose blacklist needs to be verified.
To_Account Array Required The list of identifiers whose blacklists are to be verified. Up to 1,000 To_Account entries are supported in a single request.
CheckType String Required The verification mode. For details, see Verifying Blacklists.

Response packet example

    "BlackListCheckItem": [
            "To_Account": "id1",
            "Relation": "BlackCheckResult_Type_BothWay",
            "ResultCode": 0,
            "ResultInfo": ""
            "To_Account": "id2",
            "Relation": "BlackCheckResult_Type_AWithB",
            "ResultCode": 0,
            "ResultInfo": ""
            "To_Account": "id3",
            "Relation": "BlackCheckResult_Type_BWithA",
            "ResultCode": 0,
            "ResultInfo": ""
            "To_Account": "id4",
            "Relation": "BlackCheckResult_Type_NO",
            "ResultCode": 0,
            "ResultInfo": ""
            "To_Account": "id5",
            "Relation": "BlackCheckResult_Type_NO",
            "ResultCode": 30007,
            "ResultInfo": "Err_SNS_BlackListCheck_Check_Reverse_BlackList_Fail"
    "Fail_Account": ["id5"],
    "ActionStatus": "OK",
    "ErrorCode": 0,
    "ErrorInfo": "",
    "ErrorDisplay": ""

Response packet fields

Field Type Description
BlackListCheckItem Array The array of verification result objects.
To_Account String The identifier of the account to be verified.
Relation String Blacklist relationship between To_Account and From_Account upon successful verification. For details, see Verifying Blacklists.
ResultCode Integer The processing result of To_Account. 0: succeeded. Others: failed.
ResultInfo String Error description for To_Account. If the processing was successful, the field is empty.
Fail_Account Array Returns the list of users for whom the processing failed. This field is returned only when the processing failed for a user.
ActionStatus String The request packet processing result. OK: succeeded. FAIL: failed.
ErrorCode Integer The error code. 0: succeeded. Others: failed.
ErrorInfo String Detailed error information.
ErrorDisplay String Detailed error information to be displayed on the client.

Error Codes

Unless a network error (such as error 502) occurs, the HTTP return code of this API is always 200. ErrorCode and ErrorInfo in the response packet represent the actual error code and error information, respectively.
For common error codes (60000 to 79999), see Error Codes.
The following table describes the error codes specific to this API.

Error Code Description
30001 A request parameter is incorrect. In this case, check request parameters based on the error description.
30003 The requested user account does not exist.
30004 The request requires app administrator permissions.
30006 An internal server error occurred. In this case, try again.
30007 The network connection timed out. In this case, try again later.

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