> ## Documentation Index
> Fetch the complete documentation index at: https://developer.jtl-software.com/llms.txt
> Use this file to discover all available pages before exploring further.

# GetCustomerById

> Retrieves a customer by its ID.



**query** `GetCustomerById(customerId: ID!): Customer!`

## Arguments

**`customerId`**: `ID!` (required)

## Returns

`Customer!`

**`customerId`**: `ID!`

Customer id

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**`customerGroupId`**: `ID!`

Id of the customer group

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**`customerNumber`**: `String`

Customer number

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**`createdDate`**: `DateTime`

Date when the customer was created

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**`lastChanged`**: `DateTime`

Date when the customer was last changed

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**`customerAddresses`**: `[CustomerAddress!]!`

List of addresses of the customer

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**`customerGroup`**: `CustomerGroup!`

The customer group of the customer

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**`languageIso`**: `String`

The language iso code of the customer

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**`commercialRegisterNumber`**: `String`

The commercial register number of the customer

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**`taxIdentificationNumber`**: `String`

The tax identification number of the customer

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**`homepage`**: `String`

The homepage URL of the customer

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**`isLocked`**: `Boolean!`

The locked status of the customer