Help Center/ API Gateway/ API Reference/ Dedicated Gateway APIs (V2)/ API Management/ Querying API Details

Updated on 2023-04-06 GMT+08:00

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Querying API Details

Function

This API is used to query the details of an API.

URI

GET /v2/{project_id}/apigw/instances/{instance_id}/apis/{api_id}

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID. For details about how to obtain a project ID, see "Appendix" > "Obtaining a Project ID" in this document.
instance_id	Yes	String	Gateway ID, which can be obtained from the gateway information on the APIG console.
api_id	Yes	String	API ID.

Request Parameters

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	User token. It can be obtained by calling the IAM API used to obtain a user token. The value of X-Subject-Token in the response header is a token.

Response Parameters

Status code: 200

**Table 3** Response body parameters
Parameter	Type	Description
name	String	API name. It can contain 3 to 64 characters, starting with a letter. Only letters, digits, and underscores (_) are allowed.
type	Integer	API type. 1: public API 2: private API Enumeration values: 1 2
version	String	API version. Maximum: 16
req_protocol	String	Request protocol. HTTP HTTPS BOTH: The API can be accessed through both HTTP and HTTPS. Default: HTTPS Enumeration values: HTTP HTTPS BOTH
req_method	String	Request method. Enumeration values: GET POST PUT DELETE HEAD PATCH OPTIONS ANY
req_uri	String	Request address. It can contain request parameters enclosed with brackets ({}). For example, /getUserInfo/{userId}. Special characters, such as asterisks (*), percent signs (%), hyphens (-), and underscores (_), are allowed. It can contain a maximum of 512 characters and must comply with URI specifications.> The value must comply with URI specifications.
auth_type	String	API authentication mode. NONE APP IAM AUTHORIZER Enumeration values: NONE APP IAM AUTHORIZER
auth_opt	AuthOpt object	Security authentication parameter.
cors	Boolean	Indicates whether CORS is supported. TRUE: supported FALSE: not supported Default: false Enumeration values: true false
match_mode	String	Route matching mode. SWA: prefix match NORMAL: exact match. The default value is NORMAL. Enumeration values: SWA NORMAL
backend_type	String	Backend type. HTTP: web backend FUNCTION: FunctionGraph backend MOCK: Mock backend Enumeration values: HTTP FUNCTION MOCK
remark	String	API description. It cannot exceed 255 characters.
group_id	String	ID of the API group to which the API belongs.
body_remark	String	API request body, which can be an example request body, media type, or parameters. Ensure that the request body does not exceed 20,480 characters.
result_normal_sample	String	Example response for a successful request. The value cannot exceed 20,480 characters.
result_failure_sample	String	Example response for a failed request. The value cannot exceed 20,480 characters.
authorizer_id	String	ID of the frontend custom authorizer.
tags	Array of strings	Tags. The value can contain only letters, digits, and underscores (_), and must start with a letter. You can enter multiple tags and separate them with commas (,). Minimum: 1 Maximum: 128
response_id	String	Group response ID.
roma_app_id	String	Integration application ID. Currently, this parameter is not supported.
domain_name	String	Custom domain name bound to the API. Currently, this parameter is not supported.
tag	String	Tag. This field will be deprecated. You can use the tags field instead.
content_type	String	Request content type: application/json application/xml multipart/form-date text/plain Currently, this parameter is not supported. Enumeration values: application/json application/xml multipart/form-date text/plain
id	String	API ID.
status	Integer	App status. 1: valid
arrange_necessary	Integer	Indicates whether to enable orchestration.
register_time	String	Time when the API is registered.
update_time	String	Time when the API was last modified.
group_name	String	Name of the API group to which the API belongs.
group_version	String	Version of the API group to which the API belongs. The default value is V1. Other versions are not supported. Default: V1
run_env_id	String	ID of the environment in which the API has been published. Separate multiple environment IDs with vertical bars (\|).
run_env_name	String	Name of the environment in which the API has been published. Separate multiple environment names with vertical bars (\|).
publish_id	String	Publication record ID. Separate multiple publication record IDs with vertical bars (\|).
publish_time	String	Publication time. Separate the time of multiple publication records with vertical bars (\|).
roma_app_name	String	Name of the integration application to which the API belongs. Currently, this parameter is not supported.
ld_api_id	String	ID of the corresponding custom backend API. Currently, this parameter is not supported.
backend_api	BackendApi object	Web backend details.
api_group_info	ApiGroupCommonInfo object	API group information.
func_info	ApiFunc object	FunctionGraph backend details.
mock_info	ApiMock object	Mock backend details.
req_params	Array of ReqParam objects	Request parameters.
backend_params	Array of BackendParam objects	Backend parameters.
policy_functions	Array of ApiPolicyFunctionResp objects	FunctionGraph backend policies.
policy_mocks	Array of ApiPolicyMockResp objects	Mock backend policies.
policy_https	Array of ApiPolicyHttpResp objects	Web backend policies.

**Table 4** AuthOpt
Parameter	Type	Description
app_code_auth_type	String	Indicates whether AppCode authentication is enabled. This parameter is valid only if auth_type is set to App. The default value is DISABLE. DISABLE: AppCode authentication is disabled. HEADER: AppCode authentication is enabled and the AppCode is located in the header. Default: DISABLE Enumeration values: DISABLE HEADER

**Table 5** BackendApi
Parameter	Type	Description
authorizer_id	String	Backend custom authorizer ID.
url_domain	String	Backend service address.It can consist of a domain name or IP address and a port number, with not more than 255 characters. It must be in the format "Host name:Port number", for example, apig.example.com:7443. If the port number is not specified, the default HTTPS port 443 or the default HTTP port 80 is used.Environment variables are supported. Each must start with a letter and can consist of 3 to 32 characters. Only letters, digits, hyphens (-), and underscores (_) are allowed.
req_protocol	String	Request protocol. Enumeration values: HTTP HTTPS
remark	String	Description. It cannot exceed 255 characters.
req_method	String	Request method. Enumeration values: GET POST PUT DELETE HEAD PATCH OPTIONS ANY
version	String	Web backend version, which can contain a maximum of 16 characters.
req_uri	String	Request address. It can contain request parameters enclosed with brackets ({}). For example, /getUserInfo/{userId}. Special characters, such as asterisks (*), percent signs (%), hyphens (-), and underscores (), are allowed. It can contain a maximum of 512 characters and must comply with URI specifications.Environment variables are supported. Each must start with a letter and can consist of 3 to 32 characters. Only letters, digits, hyphens (-), and underscores () are allowed.> The value must comply with URI specifications.
timeout	Integer	Timeout allowed for APIG to request the backend service. You can set the maximum timeout using the backend_timeout configuration item. The maximum value is 600,000. Unit: ms. Minimum: 1
enable_client_ssl	Boolean	Indicates whether to enable two-way authentication.
retry_count	String	Number of retry attempts to request the backend service. The default value is -1. The value ranges from -1 to 10. Default: -1
id	String	ID.
status	Integer	Backend service status. 1: valid
register_time	String	Registration time.
update_time	String	Update time.
vpc_channel_info	VpcInfo object	VPC channel details. This parameter is required if vpc_channel_status is set to 1.
vpc_channel_status	Integer	Indicates whether to use a VPC channel. 1: A VPC channel is used. 2: No VPC channel is used.

**Table 6** ApiGroupCommonInfo
Parameter	Type	Description
id	String	ID.
name	String	API group name.
status	Integer	Status. 1: valid Enumeration values: 1
sl_domain	String	Subdomain name that APIG automatically allocates to the API group.
register_time	String	Creation time.
update_time	String	Last modification time.
on_sell_status	Integer	Indicates whether the API group has been listed on KooGallery. 1: listed 2: not listed 3: under review
url_domains	Array of UrlDomain objects	Independent domain names bound to the API group.

**Table 7** UrlDomain
Parameter	Type	Description
id	String	Domain ID.
domain	String	Domain name.
cname_status	Integer	CNAME resolution status of the domain name. 1: not resolved 2: resolving 3: resolved 4: resolution failed
ssl_id	String	SSL certificate ID.
ssl_name	String	SSL certificate name.
min_ssl_version	String	Minimum SSL version. TLS 1.1 and TLS 1.2 are supported. Default: TLSv1.1 Enumeration values: TLSv1.1 TLSv1.2
verified_client_certificate_enabled	Boolean	Whether to enable client certificate verification. This parameter is available only when a certificate is bound. It is enabled by default if trusted_root_ca exists, and disabled if trusted_root_ca does not exist. Default: false
is_has_trusted_root_ca	Boolean	Whether a trusted root certificate (CA) exists. The value is true if trusted_root_ca exists in the bound certificate. Default: false

**Table 8** ApiFunc
Parameter	Type	Description
function_urn	String	Function URN.
remark	String	Description. It cannot exceed 255 characters.
invocation_type	String	Invocation mode. async: asynchronous sync: synchronous Enumeration values: async sync
network_type	String	Function network architecture. V1: non-VPC V2: VPC Enumeration values: V1 V2
version	String	Function version. If both a function alias URN and version are passed, only the alias URN will be used. Maximum: 64
alias_urn	String	Function alias URN. If both a function alias URN and version are passed, the alias URN will be used and the version will be ignored.
timeout	Integer	Timeout allowed for APIG to request the backend service. You can set the maximum timeout using the backend_timeout configuration item. The maximum value is 600,000. Unit: ms. Minimum: 1
authorizer_id	String	Backend custom authorizer ID.
id	String	ID.
register_time	String	Registration time.
status	Integer	Backend service status. 1: valid
update_time	String	Update time.

**Table 9** ApiMock
Parameter	Type	Description
remark	String	Description. It cannot exceed 255 characters.
result_content	String	Response.
version	String	Function version. It cannot exceed 64 characters.
authorizer_id	String	Backend custom authorizer ID.
id	String	ID.
register_time	String	Registration time.
status	Integer	Backend service status. 1: valid
update_time	String	Update time.

**Table 10** ReqParam
Parameter	Type	Description
name	String	Parameter name. The parameter name can contain 1 to 32 characters and must start with a letter. Only letters, digits, hyphens (-), underscores (_), and periods (.) are allowed.
type	String	Parameter type. Enumeration values: STRING NUMBER
location	String	Parameter location. Enumeration values: PATH QUERY HEADER
default_value	String	Default value.
sample_value	String	Example value.
required	Integer	Indicates whether the parameter is required. 1: yes 2: no The value of this parameter is 1 if Location is set to PATH, and 2 if Location is set to another value. Enumeration values: 1 2
valid_enable	Integer	Indicates whether validity check is enabled. 1: enabled 2: disabled Default: 2 Enumeration values: 1 2
remark	String	Description. It cannot exceed 255 characters.
enumerations	String	Enumerated value.
min_num	Integer	Minimum value. This parameter is valid when type is set to NUMBER.
max_num	Integer	Maximum value. This parameter is valid when type is set to NUMBER.
min_size	Integer	Minimum length. This parameter is valid when type is set to STRING.
max_size	Integer	Maximum length. This parameter is valid when type is set to STRING.
regular	String	Regular expression validation rule. Currently, this parameter is not supported.
json_schema	String	JSON validation rule. Currently, this parameter is not supported.
pass_through	Integer	Indicates whether to transparently transfer the parameter. 1: yes 2: no Enumeration values: 1 2
id	String	Parameter ID.

**Table 11** ApiPolicyFunctionResp
Parameter	Type	Description
function_urn	String	Function URN.
invocation_type	String	Invocation mode. async: asynchronous sync: synchronous Enumeration values: async sync
network_type	String	Function network architecture. V1: non-VPC V2: VPC Enumeration values: V1 V2
version	String	Function version. If both a function alias URN and version are passed, the alias URN will be used and the version will be ignored. Maximum: 64
alias_urn	String	Function alias URN. If both a function alias URN and version are passed, the alias URN will be used and the version will be ignored.
timeout	Integer	Timeout allowed for APIG to request the backend service. You can set the maximum timeout using the backend_timeout configuration item. The maximum value is 600,000. Unit: ms. Minimum: 1
id	String	ID.
effect_mode	String	Effective mode of the backend policy. ALL: All conditions are met. ANY: Any condition is met. Enumeration values: ALL ANY
name	String	Backend name, which must start with a letter and can contain letters, digits, and underscores (_). Minimum: 3 Maximum: 64
backend_params	Array of BackendParam objects	Backend parameters.
conditions	Array of CoditionResp objects	Policy conditions.
authorizer_id	String	Backend custom authorizer ID.

**Table 12** ApiPolicyMockResp
Parameter	Type	Description
id	String	ID.
effect_mode	String	Effective mode of the backend policy. ALL: All conditions are met. ANY: Any condition is met. Enumeration values: ALL ANY
name	String	Backend name, which must start with a letter and can contain letters, digits, and underscores (_). Minimum: 3 Maximum: 64
backend_params	Array of BackendParam objects	Backend parameters.
conditions	Array of CoditionResp objects	Policy conditions.
authorizer_id	String	Backend custom authorizer ID.
result_content	String	Response.

**Table 13** ApiPolicyHttpResp
Parameter	Type	Description
id	String	ID.
effect_mode	String	Effective mode of the backend policy. ALL: All conditions are met. ANY: Any condition is met. Enumeration values: ALL ANY
name	String	Backend name, which must start with a letter and can contain letters, digits, and underscores (_). Minimum: 3 Maximum: 64
backend_params	Array of BackendParam objects	Backend parameters.
conditions	Array of CoditionResp objects	Policy conditions.
authorizer_id	String	Backend custom authorizer ID.
url_domain	String	Endpoint of the policy backend.It can consist of a domain name or IP address and a port number, with not more than 255 characters. It must be in the format "Domain name:Port number", for example, apig.example.com:7443. If the port number is not specified, the default HTTPS port 443 or the default HTTP port 80 is used.Environment variables are supported. Each must start with a letter and can consist of 3 to 32 characters. Only letters, digits, hyphens (-), and underscores (_) are allowed.
req_protocol	String	Request protocol. The value can be HTTP or HTTPS. Enumeration values: HTTP HTTPS
req_method	String	Request method. Options: GET, POST, PUT, DELETE, HEAD, PATCH, OPTIONS, ANY. Enumeration values: GET POST PUT DELETE HEAD PATCH OPTIONS ANY
req_uri	String	Request address. It can contain request parameters enclosed with brackets ({}). For example, /getUserInfo/{userId}. Special characters, such as asterisks (*), percent signs (%), hyphens (-), and underscores (), are allowed. It can contain a maximum of 512 characters and must comply with URI specifications.Environment variables are supported. Each must start with a letter and can consist of 3 to 32 characters. Only letters, digits, hyphens (-), and underscores () are allowed.> The value must comply with URI specifications.
timeout	Integer	Timeout allowed for APIG to request the backend service. You can set the maximum timeout using the backend_timeout configuration item. The maximum value is 600,000. Unit: ms. Minimum: 1
retry_count	String	Number of retry attempts to request the backend service. The default value is -1. The value ranges from -1 to 10. Default: -1
vpc_channel_info	VpcInfo object	VPC channel details. This parameter is required if vpc_channel_status is set to 1.
vpc_channel_status	Integer	Indicates whether to use a VPC channel. 1: A VPC channel is used. 2: No VPC channel is used.

**Table 14** BackendParam
Parameter	Type	Description
origin	String	Parameter type. REQUEST: backend parameter CONSTANT: constant parameter SYSTEM: system parameter Enumeration values: REQUEST CONSTANT SYSTEM
name	String	Parameter name. The parameter name must start with a letter and can only contain letters, digits, hyphens (-), underscores (_), and periods (.). Minimum: 1 Maximum: 32
remark	String	Description, which can contain a maximum of 255 characters.
location	String	Parameter location. The value can be PATH, QUERY, or HEADER. Enumeration values: PATH QUERY HEADER
value	String	Parameter value, which can contain a maximum of 255 characters. If the origin type is REQUEST, the value of this parameter is the parameter name in req_params. If the origin type is CONSTANT, the value is a constant. If the origin type is SYSTEM, the value is a system parameter name. System parameters include gateway parameters, frontend authentication parameters, and backend authentication parameters. You can set the frontend or backend authentication parameters after enabling custom frontend or backend authentication. The gateway parameters are as follows: $context.sourceIp: source IP address of the API caller. $context.stage: deployment environment in which the API is called. $context.apiId: API ID. $context.appId: ID of the app used by the API caller. $context.requestId: request ID generated when the API is called. $context.serverAddr: address of the gateway server. $context.serverName: name of the gateway server. $context.handleTime: time when the API request is processed. $context.providerAppId: ID of the app used by the API owner. This parameter is currently not supported. Frontend authentication parameter: prefixed with "$context.authorizer.frontend.". For example, to return "aaa" upon successful custom authentication, set this parameter to "$context.authorizer.frontend.aaa". Backend authentication parameter: prefixed with "$context.authorizer.backend.". For example, to return "aaa" upon successful custom authentication, set this parameter to "$context.authorizer.backend.aaa".
id	String	Parameter ID.
req_param_id	String	Request parameter ID.

**Table 15** CoditionResp
Parameter	Type	Description
req_param_name	String	Input parameter name. This parameter is required if the policy type is param.
condition_type	String	Policy condition. exact: exact match enum: enumeration pattern: regular expression This parameter is required if the policy type is param. Enumeration values: exact enum pattern
condition_origin	String	Policy type. param: input parameter source: source IP address Enumeration values: param source
condition_value	String	Condition value.
id	String	ID.
req_param_id	String	Input parameter ID.
req_param_location	String	Input parameter location.

**Table 16** VpcInfo
Parameter	Type	Description
ecs_id	String	Cloud server ID.
ecs_name	String	Cloud server name.
cascade_flag	Boolean	Indicates whether to use the cascading mode. Currently, this parameter is not supported.
vpc_channel_proxy_host	String	Proxy host.
vpc_channel_id	String	VPC channel ID.
vpc_channel_port	Integer	VPC channel port.

Status code: 401

**Table 17** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Status code: 403

**Table 18** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Status code: 404

**Table 19** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Status code: 500

**Table 20** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Example Requests

None

Example Responses

Status code: 200

{
  "id" : "5f918d104dc84480a75166ba99efff21",
  "tags" : [ "webApi" ],
  "arrange_necessary" : 2,
  "backend_type" : "HTTP",
  "auth_type" : "AUTHORIZER",
  "auth_opt" : {
    "app_code_auth_type" : "DISABLE"
  },
  "authorizer_id" : "8d0443832a194eaa84244e0c1c1912ac",
  "backend_api" : {
    "update_time" : "2020-08-02T16:32:47.077029Z",
    "vpc_channel_status" : 1,
    "vpc_channel_info" : {
      "vpc_channel_id" : "56a7d7358e1b42459c9d730d65b14e59",
      "vpc_channel_proxy_host" : "www.example.com"
    },
    "url_domain" : "56a7d7358e1b42459c9d730d65b14e59",
    "req_protocol" : "HTTPS",
    "id" : "1ce8fda3586d4371bd83c955df37e102",
    "req_method" : "GET",
    "register_time" : "2020-07-31T12:42:51Z",
    "req_uri" : "/test/benchmark",
    "timeout" : 5000,
    "status" : 1,
    "retry_count" : "-1"
  },
  "cors" : false,
  "status" : 1,
  "group_name" : "api_group_001",
  "group_id" : "c77f5e81d9cb4424bf704ef2b0ac7600",
  "group_version" : "V1",
  "match_mode" : "NORMAL",
  "name" : "Api_http",
  "req_protocol" : "HTTPS",
  "req_method" : "GET",
  "req_uri" : "/test/http",
  "type" : 1,
  "version" : "V0.0.1",
  "result_normal_sample" : "Example success response",
  "result_failure_sample" : "Example failure response",
  "register_time" : "2020-07-31T12:42:51Z",
  "update_time" : "2020-08-02T16:32:47.046289Z",
  "remark" : "Web backend API",
  "backend_params" : [ {
    "name" : "X-CONSTANT-HEADER",
    "value" : "demo",
    "location" : "HEADER",
    "origin" : "CONSTANT",
    "remark" : "constant_demo",
    "id" : "8cb2eba19e7a4423a4e835647a8b8d76"
  }, {
    "name" : "app-id",
    "value" : "$context.appId",
    "location" : "HEADER",
    "origin" : "SYSTEM",
    "remark" : "App ID of the API caller",
    "id" : "216ddda836e74d528f364ff589d9dd21"
  } ]
}

Status code: 401

Unauthorized

{
  "error_code" : "APIG.1002",
  "error_msg" : "Incorrect token or token resolution failed"
}

Status code: 403

Forbidden

{
  "error_code" : "APIG.1005",
  "error_msg" : "No permissions to request this method"
}

Status code: 404

Not Found

{
  "error_code" : "APIG.3002",
  "error_msg" : "API 5f918d104dc84480a75166ba99efff21 does not exist"
}

Status code: 500

Internal Server Error

{
  "error_code" : "APIG.9999",
  "error_msg" : "System error"
}

Status Codes

Status Code	Description
200	OK
401	Unauthorized
403	Forbidden
404	Not Found
500	Internal Server Error

Error Codes

See Error Codes.

Parent topic: API Management

Previous topic: Publishing an API or Taking an API Offline

Next topic: Querying APIs

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