Check Existence of Customer Email

This endpoint previously validated extra fields for a particular Company user by email address.

AuthorizationBearer

Header	Argument	Description
`Authorization`	`Bearer {{B2B_JWT_TOKEN}}`	You can obtain this token using the steps described in the REST Storefront API section[…]

storeHashstringRequired

The unique alphanumeric store hash for the BigCommerce store.

emailstringRequired

The email of the customer to be validated.

extraFieldNamestringOptional

The name of the extra field.

extraFieldValuestringOptional

The value of the extra field.

codedoubleDefaults to 200

messagestring

dataobject

$	curl -G https://api-b2b.bigcommerce.com/api/v2/users/validations/existence \
>	-H "Authorization: Bearer <token>" \
>	-d storeHash=abc123 \
>	-d email=email

$	curl -G https://api-b2b.bigcommerce.com/api/v2/users/validations/existence \
>	-H "Authorization: Bearer <token>" \
>	-d storeHash=abc123 \
>	-d email=email