# Online Cancel

## Cancel this online transaction

 - [POST /api/v1/transactions/{transaction_id}/cancel](https://docs.trustap.com/apis/openapi/online-cancel/basic.canceltransaction.md): Transaction can be cancelled until it's paid or if the feature
RequireSellerAcceptance is present, it can be cancelled
until it's tracked.
Offline access is allowed for this endpoint when the user has
granted the basic_tx:offline_cancel scope to the client
that is performing the request.

## Cancel this online transaction with a guest user

 - [POST /api/v1/transactions/{transaction_id}/cancel_with_guest_user](https://docs.trustap.com/apis/openapi/online-cancel/basic.canceltransactionwithguestuser.md): This endpoint cancels a transaction for the user specified in the header
as Trustap-User.
Transaction can be cancelled until it's paid or if the feature
RequireSellerAcceptance is present, it can be cancelled until it's tracked.