POST /v2/customers

Creates a new customer for a business.

You must provide at least one of the following values in your request to this endpoint:

given_name
family_name
company_name
email_address
phone_number

Servers

https://connect.squareup.com

Request headers

Name	Type	Required	Description
`Content-Type`	String	Yes	The media type of the request body. Default value: "application/json"

Request body fields

Name	Type	Required	Description
`family_name`	String	No	The family name (that is, the last name) associated with the customer profile.
`given_name`	String	No	The given name (that is, the first name) associated with the customer profile.
`email_address`	String	No	The email address associated with the customer profile.
`note`	String	No	A custom note associated with the customer profile.
`nickname`	String	No	A nickname for the customer profile.
`company_name`	String	No	A business name associated with the customer profile.
`address`	Object	No	Represents a postal address in a country. The address format is based on an open-source library from Google. For more information, see AddressValidationMetadata. This format has dedicated fields for four address components: postal code, locality (city), administrative district (state, prefecture, or province), and sublocality (town or village). These components have dedicated fields in the `Address` object because software sometimes behaves differently based on them. For example, sales tax software may charge different amounts of sales tax based on the postal code, and some software is only available in certain states due to compliance reasons. For the remaining address components, the `Address` type provides the `address_line_1` and `address_line_2` fields for free-form data entry. These fields are free-form because the remaining address components have too many variations around the world and typical software does not parse these components. These fields enable users to enter anything they want. Note that, in the current implementation, all other `Address` type fields are blank. These include `address_line_3`, `sublocality_2`, `sublocality_3`, `administrative_district_level_2`, `administrative_district_level_3`, `first_name`, `last_name`, and `organization`. When it comes to localization, the seller's language preferences (see Language preferences) are ignored for addresses. Even though Square products (such as Square Point of Sale and the Seller Dashboard) mostly use a seller's language preference in communication, when it comes to addresses, they will use English for a US address, Japanese for an address in Japan, and so on.
`address.address_line_3`	String	No	The third line of the address, if any.
`address.first_name`	String	No	Optional first name when it's representing recipient.
`address.postal_code`	String	No	The address's postal code.
`address.organization`	String	No	Optional organization name when it's representing recipient.
`address.address_line_2`	String	No	The second line of the address, if any.
`address.address_line_1`	String	No	The first line of the address. Fields that start with `address_line` provide the address's most specific details, like street number, street name, and building name. They do not provide less specific details like city, state/province, or country (these details are provided in other fields).
`address.administrative_district_level_3`	String	No	A civil entity within the address's `administrative_district_level_2`, if any.
`address.sublocality_2`	String	No	A civil region within the address's `sublocality`, if any.
`address.administrative_district_level_2`	String	No	A civil entity within the address's `administrative_district_level_1`. In the US, this is the county.
`address.locality`	String	No	The city or town of the address.
`address.sublocality`	String	No	A civil region within the address's `locality`, if any.
`address.last_name`	String	No	Optional last name when it's representing recipient.
`address.administrative_district_level_1`	String	No	A civil entity within the address's country. In the US, this is the state.
`address.sublocality_3`	String	No	A civil region within the address's `sublocality_2`, if any.
`address.country`	String	No	The address's country, in ISO 3166-1-alpha-2 format.
`idempotency_key`	String	No	The idempotency key for the request.For more information, see Idempotency.
`birthday`	String	No	The birthday associated with the customer profile, in RFC 3339 format. The year is optional. The timezone and time are not allowed. For example, `0000-09-21T00:00:00-00:00` represents a birthday on September 21 and `1998-09-21T00:00:00-00:00` represents a birthday on September 21, 1998. You can also specify this value in `YYYY-MM-DD` format.
`phone_number`	String	No	The 11-digit phone number associated with the customer profile.
`reference_id`	String	No	An optional second ID used to associate the customer profile with an entity in another system.

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