# Customers Self-service ## Get customer's contact data - [GET /v1/customers/{customerId}/self-service/contact-data](https://redocly.sportalliance.com/apis/perfectgym/openapi/openapi/customers-self-service/getcustomercontactdata.md): Required Scopes: Returns customer current contact data along with requested change of this data ## Create contact data amendment - [POST /v1/customers/{customerId}/self-service/contact-data](https://redocly.sportalliance.com/apis/perfectgym/openapi/openapi/customers-self-service/createcustomercontactdataamendment.md): Required Scopes: Creates request for contact data amendment for specified customerId ## Get customer's address data - [GET /v1/customers/{customerId}/self-service/address-data](https://redocly.sportalliance.com/apis/perfectgym/openapi/openapi/customers-self-service/getcustomeraddressdata.md): Required Scopes: Returns customer current address data along with requested change of this data ## Create address data amendment - [POST /v1/customers/{customerId}/self-service/address-data](https://redocly.sportalliance.com/apis/perfectgym/openapi/openapi/customers-self-service/createcustomeraddressdataamendment.md): Required Scopes: Creates request for address data amendment for specified customerId ## Get customer's master data - [GET /v1/customers/{customerId}/self-service/master-data](https://redocly.sportalliance.com/apis/perfectgym/openapi/openapi/customers-self-service/getcustomermasterdata.md): Required Scopes: Returns customer current master data along with requested change of this data ## Create master data amendment - [POST /v1/customers/{customerId}/self-service/master-data](https://redocly.sportalliance.com/apis/perfectgym/openapi/openapi/customers-self-service/createcustomermasterdataamendment.md): Required Scopes: Creates request for master data amendment for specified customerId ## Get customer's payment data - [GET /v1/customers/{customerId}/self-service/payment-data](https://redocly.sportalliance.com/apis/perfectgym/openapi/openapi/customers-self-service/getcustomerpaymentdata.md): Required Scopes: Returns customer current payment data along with requested change of this data ## Create payment data amendment - [POST /v1/customers/{customerId}/self-service/payment-data](https://redocly.sportalliance.com/apis/perfectgym/openapi/openapi/customers-self-service/createcustomerpaymentdataamendment.md): Required Scopes: Creates request for payment data amendment for specified customerId ## Withdraw customer's amendment - [DELETE /v1/customers/{customerId}/self-service/amendment/{amendmentId}](https://redocly.sportalliance.com/apis/perfectgym/openapi/openapi/customers-self-service/withdrawamendment.md): Required Scopes: Withdraw customer's amendment