All Products
Search
Document Center

Express Connect:ApplyPhysicalConnectionLOA

Last Updated:Aug 28, 2026

Applies for a Letter of Authorization (LOA) for an Express Connect circuit.

Try it now

Try this API in OpenAPI Explorer, no manual signing needed. Successful calls auto-generate SDK code matching your parameters. Download it with built-in credential security for local usage.

Test

RAM authorization

No authorization for this operation. If you encounter issues with this operation, contact technical support.

Request parameters

Parameter

Type

Required

Description

Example

ClientToken

string

No

The client token that ensures the idempotence of the request.

You can use the client to generate the token, but make sure that the token is unique among different requests. The client token can contain only ASCII characters.

Note

If you do not specify this parameter, the system automatically uses the request ID as the client token. The request ID may be different for each request.

123e4567-e89b-12d3-a456-426655440000

ClientToken

string

No

The client token that ensures the idempotence of the request.

You can use the client to generate the token, but make sure that the token is unique among different requests. The client token can contain only ASCII characters.

Note

If you do not specify this parameter, the system automatically uses the request ID as the client token. The request ID may be different for each request.

123e4567-e89b-12d3-a456-426655440000

RegionId

string

Yes

The region ID of the Express Connect circuit.

Call the DescribeRegions operation to query the most recent region list.

cn-hangzhou

Bandwidth

integer

No

The bandwidth of the Express Connect circuit. Unit: Mbit/s.

Valid values: 2 to 10240.

3

PeerLocation

string

No

The geographic location where the Express Connect circuit is deployed.

杭州

InstanceId

string

Yes

The ID of the Express Connect circuit.

pc-bp1qrb3044eqi****

CompanyName

string

Yes

The name of the customer company that requires the Express Connect circuit.

company

LineType

string

Yes

The type of the Express Connect circuit. Valid values:

  • MSTP: MSTP line

  • MPLSVPN: MPLSVPN line

  • FIBRE: fiber line

  • Other: other types

FIBRE

Si

string

Yes

The construction company.

阿里

ConstructionTime

string

Yes

The time when construction started. Specify the time in the ISO 8601 standard in the YYYY-MM-DDThh:mm:ssZ format. The time is in UTC.

2022-02-28T16:00:00Z

PMInfo

array<object>

No

The construction engineer information.

object

No

PMCertificateNo

string

No

The ID number of the construction engineer. Specify the ID number of an ID card or an international passport.

You can specify up to 16 construction engineers.

5****************9

PMName

string

No

The name of the construction engineer.

张三

PMCertificateType

string

No

The type of the identity document of the construction engineer. Valid values:

  • IDCard

  • Passport

IDCard

PMGender

string

No

The gender of the construction engineer.

Male

PMContactInfo

string

No

The contact information of the construction engineer.

1390000****

Response elements

Element

Type

Description

Example

object

RequestId

string

The request ID.

A47BD386-7FDE-42C4-8D22-C6223D18AA1C

Examples

Success response

JSON format

{
  "RequestId": "A47BD386-7FDE-42C4-8D22-C6223D18AA1C"
}

Error codes

HTTP status code

Error code

Error message

Description

400 MissingParam.AliUid %s
400 MissingParam.InstanceId %s
400 MissingParam.RegionNo %s
400 MissingParam.PMInfo %s
400 IllegalParam.LineOperator %s
400 IllegalParam.LineType %s
400 IllegalParam.PeerLocation %s
400 IllegalParam.PmCertificateType %s
400 IllegalParam.PmCertificateNo %s
400 IllegalParam.PmContactInfo %s
400 IllegalParam.PmGender %s
400 IllegalParam.PmName %s
400 IllegalParam.Si %s
400 InvalidConstructionTime.Malformed %s
400 InvalidInstanceId.NotFound %s
400 IncorrectStatus.PhysicalConnectionLOA %s
400 IncorrectStatus.PhysicalConnection %s
400 IllegalParam.CompanyName %s
400 OperationFailed.PconnTrafficNotEnable The operation is failed because of PconnTrafficNotEnable. Billing for outbound data transfer is disabled.
400 IllegalParam.Bandwidth The param of bandwidth is illegal. The Bandwidth parameter is set to an invalid value.

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.