# Authorizations
An `Authorization` (also known as a card hold) reserves a specific amount on a card to be captured (i.e. debited) at a later date, usually within seven days. When an `Authorization` is captured it produces a `Transfer` resource.
Related Guides: [Auth and Captures](/guides/online-payments/payment-features/auth-and-captures), [Level 2 and 3 Processing](/guides/online-payments/payment-features/level-2-level-3-processing/), [POS Integration](/guides/in-person-payments/building-your-integration/pos-integration), [Buyer Charges](/guides/online-payments/payment-features/buyer-charges/)
## Create an Authorization
- [POST /authorizations](https://docs.finix.com/api/authorizations/createauthorization.md): Create an to process a transaction.
Related Guides: Creating and Capturing an Authorization, Level 2 and 3 Processing, POS Integration, Buyer Charges
## List Authorizations
- [GET /authorizations](https://docs.finix.com/api/authorizations/listauthorizations.md): Retrieve a list of .
For details on how to query endpoints using the available parameters, see Query Parameters.
## Fetch an Authorization
- [GET /authorizations/{authorization_id}](https://docs.finix.com/api/authorizations/getauthorization.md): Retrieve the details of a previously created .
## Capture an Authorization
- [PUT /authorizations/{authorization_id}](https://docs.finix.com/api/authorizations/captureauthorization.md): Use a PUT request to capture an . If captured successfully, the field of the will contain the ID of the resource that moves funds.
Related Guides: Creating and Capturing an Authorization, Level 2 and 3 Processing, POS Integration, Buyer Charges
## Void an Authorization
- [PUT /authorizations/{authorization_id_void_to}](https://docs.finix.com/api/authorizations/voidauthorization.md): Use a PUT request to void an . If voided successfully, funds get released, and the transaction is incomplete. Additionally, a voided can no longer be captured. Depending on the cardholder’s issuing bank, voids can take up to seven days to remove the hold.
Related Guides: Creating and Capturing an Authorization, Level 2 and 3 Processing, POS Integration, Buyer Charges