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New to this? Read the Senders guide.

Cancel a sender request

DELETE
/v2/senders/{id}
curl --request DELETE \
--url https://api.connect.ms/v2/senders/example \
--header 'Authorization: Bearer <token>'

Withdraws a sender request that has not been approved. Approved senders cannot be removed here.

id
required
string

The id of the sender.

Connect-Version
string

The API version to use, for example 2026-10-01. Defaults to the version set on your API key.

The request was cancelled.

The request is not valid. The detail field says why, and errors lists any problems by field name.

Media typeapplication/problem+json

Why a request failed, in the RFC 9457 problem details format.

object
type
required

A URI identifying the kind of problem, ending in a code such as validation_failed, not_found, sending_blocked or rate_limited.

string
title
required

A short, fixed summary of the kind of problem.

string
status
required

The HTTP status code of the response.

integer format: int32
detail

What went wrong with this particular request, when there is more to say than the title.

string
nullable
errors

For validation failures, the problems found, keyed by field name (nested fields as template.name, list items as messages[3]).

object
key
additional properties
Array<string>
requestId
required

The id recorded for this error, matching the Request-Id header when one is sent. Quote it when contacting support.

string

Example generated

{
"type": "example",
"title": "example",
"status": 1,
"detail": "example",
"errors": {
"additionalProperty": [
"example"
]
},
"requestId": "example"
}

The API key or bearer token is missing or not valid, or the request signature could not be verified.

Media typeapplication/problem+json

Why a request failed, in the RFC 9457 problem details format.

object
type
required

A URI identifying the kind of problem, ending in a code such as validation_failed, not_found, sending_blocked or rate_limited.

string
title
required

A short, fixed summary of the kind of problem.

string
status
required

The HTTP status code of the response.

integer format: int32
detail

What went wrong with this particular request, when there is more to say than the title.

string
nullable
errors

For validation failures, the problems found, keyed by field name (nested fields as template.name, list items as messages[3]).

object
key
additional properties
Array<string>
requestId
required

The id recorded for this error, matching the Request-Id header when one is sent. Quote it when contacting support.

string

Example generated

{
"type": "example",
"title": "example",
"status": 1,
"detail": "example",
"errors": {
"additionalProperty": [
"example"
]
},
"requestId": "example"
}

The caller is not allowed to do this.

Media typeapplication/problem+json

Why a request failed, in the RFC 9457 problem details format.

object
type
required

A URI identifying the kind of problem, ending in a code such as validation_failed, not_found, sending_blocked or rate_limited.

string
title
required

A short, fixed summary of the kind of problem.

string
status
required

The HTTP status code of the response.

integer format: int32
detail

What went wrong with this particular request, when there is more to say than the title.

string
nullable
errors

For validation failures, the problems found, keyed by field name (nested fields as template.name, list items as messages[3]).

object
key
additional properties
Array<string>
requestId
required

The id recorded for this error, matching the Request-Id header when one is sent. Quote it when contacting support.

string

Example generated

{
"type": "example",
"title": "example",
"status": 1,
"detail": "example",
"errors": {
"additionalProperty": [
"example"
]
},
"requestId": "example"
}

No pending sender request with that id.

Media typeapplication/problem+json

Why a request failed, in the RFC 9457 problem details format.

object
type
required

A URI identifying the kind of problem, ending in a code such as validation_failed, not_found, sending_blocked or rate_limited.

string
title
required

A short, fixed summary of the kind of problem.

string
status
required

The HTTP status code of the response.

integer format: int32
detail

What went wrong with this particular request, when there is more to say than the title.

string
nullable
errors

For validation failures, the problems found, keyed by field name (nested fields as template.name, list items as messages[3]).

object
key
additional properties
Array<string>
requestId
required

The id recorded for this error, matching the Request-Id header when one is sent. Quote it when contacting support.

string

Example generated

{
"type": "example",
"title": "example",
"status": 1,
"detail": "example",
"errors": {
"additionalProperty": [
"example"
]
},
"requestId": "example"
}

The sender is approved for a country or has already been used to send messages, so it cannot be cancelled here.

Media typeapplication/problem+json

Why a request failed, in the RFC 9457 problem details format.

object
type
required

A URI identifying the kind of problem, ending in a code such as validation_failed, not_found, sending_blocked or rate_limited.

string
title
required

A short, fixed summary of the kind of problem.

string
status
required

The HTTP status code of the response.

integer format: int32
detail

What went wrong with this particular request, when there is more to say than the title.

string
nullable
errors

For validation failures, the problems found, keyed by field name (nested fields as template.name, list items as messages[3]).

object
key
additional properties
Array<string>
requestId
required

The id recorded for this error, matching the Request-Id header when one is sent. Quote it when contacting support.

string

Example generated

{
"type": "example",
"title": "example",
"status": 1,
"detail": "example",
"errors": {
"additionalProperty": [
"example"
]
},
"requestId": "example"
}

The service is temporarily unavailable. Retry after the Retry-After header.

Media typeapplication/problem+json

Why a request failed, in the RFC 9457 problem details format.

object
type
required

A URI identifying the kind of problem, ending in a code such as validation_failed, not_found, sending_blocked or rate_limited.

string
title
required

A short, fixed summary of the kind of problem.

string
status
required

The HTTP status code of the response.

integer format: int32
detail

What went wrong with this particular request, when there is more to say than the title.

string
nullable
errors

For validation failures, the problems found, keyed by field name (nested fields as template.name, list items as messages[3]).

object
key
additional properties
Array<string>
requestId
required

The id recorded for this error, matching the Request-Id header when one is sent. Quote it when contacting support.

string

Example generated

{
"type": "example",
"title": "example",
"status": 1,
"detail": "example",
"errors": {
"additionalProperty": [
"example"
]
},
"requestId": "example"
}