# Update a customer by Id

This is used to update an existing customer

Endpoint: PATCH /customers/{customerId}
Version: 1.1.0
Security: secretApiKeyAuth

## Path parameters:

  - `customerId` (string, required)
    Customer to update
    Example: "cus_01FCTS1XMKH9FF43CAFA4CXT3P"

## Request fields (application/json):

  - `firstName` (string,null)
    The first name of the customer
    Example: "Jeff"

  - `lastName` (string,null)
    The last name of the customer
    Example: "Bridges"

  - `homePhoneNumber` (string,null)
    The home phone number of the customer. Must be in E.164 format
    Example: "+447900000000"

  - `mobilePhoneNumber` (string,null)
    The mobile phone number of the customer. Must be in E.164 format
    Example: "+447900000000"

  - `metadata` (object,null)
    use this parameter to attach key-value data to the customer. These will be sent with any associated customer events on your webhooks. You can have a maximum of 5 pieces of metadata.
    Example: {"customerId":"1","registered":"123"}

  - `defaultPaymentMethod` (string,null)
    The Id of the customer's preferred/default payment method
    Example: "pmt_01G0EYVFR02KBBVE2YWQ8AKMGJ"

## Response 200 fields (application/json):

  - `id` (string)
    The ID of the customer
    Example: "cus_01G0EYVFR02KBBVE2YWQ8AKMGJ"

  - `email` (string)
    The customer's email address
    Example: "test@ryftpay.com"

  - `firstName` (string,null)
    The first name of the customer
    Example: "Jeff"

  - `lastName` (string,null)
    The last name of the customer
    Example: "Bridges"

  - `homePhoneNumber` (string,null)
    The home phone number of the customer. In E.164 format
    Example: "+447900000000"

  - `mobilePhoneNumber` (string,null)
    The mobile phone number of the customer. In E.164 format
    Example: "+447900000000"

  - `defaultPaymentMethod` (string,null)
    The Id of the customer's preferred/default payment method
    Example: "pmt_01G0EYVFR02KBBVE2YWQ8AKMGJ"

  - `metadata` (object,null)
    use this parameter to attach key-value data to the customer. These will be sent with any associated customer events on your webhooks. You can have a maximum of 5 pieces of metadata.
    Example: {"customerId":"1","registered":"123"}

  - `createdTimestamp` (integer)
    The epoch timestamp (seconds) when the customer was created
    Example: 1470989538

## Response 404 fields (application/json):

  - `requestId` (string)
    Example: "b83f2653-06d7-44a9-a548-5825e8186004"

  - `code` (string)
    Example: "400"

  - `errors` (array)

  - `errors.message` (string)
    Example: "Required property 'amount' not found in JSON"

## Response 500 fields (application/json):

  - `requestId` (string)
    Example: "b83f2653-06d7-44a9-a548-5825e8186004"

  - `code` (string)
    Example: "400"

  - `errors` (array)

  - `errors.message` (string)
    Example: "Required property 'amount' not found in JSON"