# Token

 - [POST /merchants/{merchant_id}/token](https://xsolla.redocly.app/api/pay-station/token/create-token.md): You can create a token with arbitrary user parameters. You send these parameters when obtaining the token and receive them back after a successful payment. A token can only contain parameters either d
 - [POST /projects/{project_id}/token/{token}/expire](https://xsolla.redocly.app/api/pay-station/token/invalidate-token.md): Invalidates the existing payment token to prevent it from being used to open the payment UI. Use it to avoid duplicate payments for single-instance items across parallel sessions. Once called successf