Help Center/ Cloud Service Engine/ API Reference/ ServiceComb API/ Microservice Instance/ Sending Heartbeat Information
Updated on 2023-11-08 GMT+08:00
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Sending Heartbeat Information

Function

This API is used to send heartbeat information. Service providers need to send heartbeat information to the service center, so that the center can check whether service instances are normal.

Restrictions

None

URI

PUT /v4/{project_id}/registry/microservices/{service_id}/instances/{instance_id}/heartbeat

Table 1 Path parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Fixed value: default.

service_id

Yes

String

Microservice ID, which must be unique. The value contains 1 to 64 characters. Regular expression: ^.*$. See Querying Information About All Microservices.

instance_id

Yes

String

Microservice instance ID, which must be unique. The value contains 1 to 64 characters. Regular expression: ^[A-Za-z0-9_.-]*$. See Querying a Microservice Instance Based on service_id.

Request

Table 2 Request header parameter

Parameter

Mandatory

Type

Description

Authorization

No

String

This parameter is mandatory if security authentication is enabled for an exclusive ServiceComb engine. Otherwise, this parameter is not required.

The token of an exclusive ServiceComb engine with security authentication enabled is in the following format:

Authorization:Bearer {Token}

For details about how to obtain the token, see Obtaining the User Token of an Exclusive ServiceComb Engine.

Response

Status code: 400

Table 3 Response body parameters

Parameter

Type

Description

errorCode

String

Error code.

errorMessage

String

Error message.

detail

String

Location details.

Status code: 500

Table 4 Response body parameters

Parameter

Type

Description

errorCode

String

Error code.

errorMessage

String

Error message.

detail

String

Location details.

Example Request

Send heartbeat information to check whether an instance with specified instance_id is healthy.

PUT https://{endpoint}/v4/{project_id}/registry/microservices/{service_id}/instances/{instance_id}/heartbeat

Example Response

None

Status Code

Status Code

Description

200

OK

400

Bad Request

500

Internal Server Error

Error Code

See ServiceComb Error Codes.

Parent topic: Microservice Instance