# PAR Lookup and Generation
source: https://developer.mastercard.com/payment-account-management/documentation/use-cases/generate-par/index.md

**Scenario** : An issuer wants to proactively generate PAR for their non-tokenized accounts.
**Description** : When a cardholder makes a transaction, PAR will be provided in the response of the `/getPaymentAccountRequest` API, which is then passed it to the merchant to link tokens and PANs in their analytics backend system.

* Issuers
* Issuer Processors

### Consuming Systems {#consuming-systems}

* PAR Vault

### APIs used {#apis-used}


API Reference: `GET /getPaymentAccountReference`

### Sequence {#sequence}

Diagram get-par

1. Issuer sends a `/getPaymentAccountReference` request to PAM API.
2. PAM API will talk to PAR Vault directly to create a new PAR value.
3. PAM API will return the generated PAR to issuer in the response.

Refer to the integration tutorial for details on how to generate or inquire PAR.

See also: [Error Codes](https://developer.mastercard.com/payment-account-management/documentation/code-and-formats/error-codes/index.md)