> For the complete documentation index, see [llms.txt](https://docs.xtrakit.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.xtrakit.com/overview/customers.md). # Customers XtraKit's Customer API allows you to programmatically handle customers data. Customers management may be easily integrated into your applications by using it to retrieve, add, or manage customers.


List Customers `GET`	Retrieve a list of all customers and you can also filter your results.	List Customers
Fetch Customer `GET`	Retrieve a specific customer using the customer id. To retrieve complete customer details.	Fetch Customer
Add Customer `POST`	Allows you to add a new customer record.	Add Customer
Edit Customer `PUT`	Modify an existing customer's information. In an unfinalized customer, this endpoint can be used to change customer name, customer phone, or customer email'	Edit Customer


List Customer Group `GET`	Retrieve a list of all customer groups and you can also filter your results.	List Customer Group
Fetch Customer Group `GET`	Retrieve a specific customer group using the group id. To retrieve complete group details.	Fetch Customer Group
Add Customer Group `POST`	Allows you to add a new customer group record.	Add Customer Group
Edit Customer Group `PUT`	Modify an existing customer group's information. In an unfinalized customer group, this endpoint can be used to change group name and group description.	Edit Customer Group