Cancel campaign

post

https://api.omnisend.com/api/campaigns/{id}/cancel

Cancel a campaign and mark it as canceled.

Cancelable source states: scheduled (all channel types), or started/paused (email only). Any other status (e.g. draft, sent, canceled) returns 409.

Supported cases:

Any scheduled campaign (all channel types)
Started or paused email campaigns

Note: For started campaigns, cancellation is best-effort — messages already in flight may still be delivered.

Scopes: campaigns.write

Responses

204

Campaign cancel initiated successfully

Language

Credentials

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Response

Click Try It! to start a request and see the response here! Or choose an example:

*/*

400Request contains invalid or missing fields

401Authentication is missing or invalid

403Insufficient permissions for this operation

404Campaign not found

409Campaign is not in a cancelable state (only scheduled, or started/paused email campaigns can be canceled)

410API version has been retired

422Campaign type is not supported

429Rate limit exceeded

500Unexpected error occurred