Last updated: 2019-08-18 22:55:00

1. API Description

API request domain name:

This API returns a list of function based on the query parameters。

Default API request frequency limit: 20 times/second.

2. Input Parameters

The following parameters are required for requesting this API, including action-specific parameters and common parameters. For more information about common parameters for all requests, see Common Request Parameters.

Parameter name Required Type Description
Action Yes String Common parameter; the name of this API: ListFunctions
Version Yes String Common parameter; the version of this API: 2018-04-16
Region Yes String Common parameters; for details, see the Region List.
Order No String Sorting query results in either ascending or descending order; valid values: ASC and DESC
Orderby No String Sorting the query results in either ascending or descending according to one or more fields, including AddTime, ModTime, FunctionName
Offset No Integer Data offset; 0 by default
Limit No Integer Length of the returned data; 20 by default
SearchKey No String Fuzzy function name matching

3. Output Parameters

Parameter name Type Description
Functions Array of Function Function list
TotalCount Integer Total number of query results
RequestId String The ID of the request. Each request returns a unique ID. The RequestId is required to troubleshoot issues.

4. Sample

Getting a List of Function with Specified Criteria

Input Sample Code
&<Common request parameter>

Output Sample Code

    "Response": {
        "Functions": [
                "FunctionId": "lam-xxxxxxx",
                "Namespace": "default",
                "FunctionName": "test",
                "ModTime": "2018-04-08 19:02:20",
                "AddTime": "2018-04-08 15:18:49",
                "Runtime": "Python2.7"            
        "TotalCount": 1,
        "RequestID": "3c140219-cfe9-470e-b241-907877d6fb03"

5. Developer Resources

API Explorer

This tool provides various capabilities such as online call, signature verification, SDK code generation, and quick API retrieval that significantly reduce the difficulty of using TencentCloud API

6. Error Codes

The following error codes are API business logic-related. For other error codes, see Common Error Codes.

Error Code Description
InvalidParameterValue An invalid value was declared for the input parameter.
InvalidParameterValue.Order An invalid value was declared for the input parameter: Order.
InvalidParameterValue.Orderby An invalid value was declared for the input parameter: Orderby
UnauthorizedOperation.CAM CAM authentication failed.
UnauthorizedOperation.Region Error with Region.