# Customers Transactions Retrieve customer transaction details ## Get customer's transactions in slices - [GET /v1/customers/{customerId}/transactions](https://redocly.sportalliance.com/apis/perfectgym/openapi/openapi/customers-transactions/getcustomertransactions.md): Required Scopes: Returns customer's transactions within the given date range. Past transactions include payment information if a payment has been made. ## Get a preview of future debt claims for a customer's contract - [GET /v1/customers/{customerId}/transactions/{contractId}/preview](https://redocly.sportalliance.com/apis/perfectgym/openapi/openapi/customers-transactions/getfuturedebtclaimpreview.md): Required Scopes: Returns a preview of upcoming debt claims that will be generated for a customer's contract, including price adjustments and tax details.