# Retrieve a user access token

Endpoint: POST /buyers/{buyerID}/users/{userID}/accesstoken
Version: 1.0.447.36344
Security: OAuth2

## Path parameters:

  - `buyerID` (string, required)
    ID of the buyer.

  - `userID` (string, required)
    ID of the user.

## Request fields (application/json):

  - `ClientID` (string, required)

  - `Roles` (array, required)
    Enum: "ApiClientAdmin", "ApiClientReader", "AddressAdmin", "AddressReader", "AdminAddressAdmin", "AdminAddressReader", "AdminUserAdmin", "AdminUserGroupAdmin", "AdminUserGroupReader", "AdminUserReader", "ApprovalRuleAdmin", "ApprovalRuleReader", "BundleAdmin", "BundleAssignmentAdmin", "BundleReader", "BuyerAdmin", "BuyerImpersonation", "BuyerReader", "BuyerUserAdmin", "BuyerUserReader", "CatalogAdmin", "CatalogReader", "CategoryAdmin", "CategoryReader", "CostCenterAdmin", "CostCenterReader", "CreditCardAdmin", "CreditCardReader", "EntitySyncConfigAdmin", "FullAccess", "IncrementorAdmin", "IncrementorReader", "LocaleReader", "LocaleAdmin", "MeAddressAdmin", "MeAdmin", "MeCreditCardAdmin", "MessageConfigAssignmentAdmin", "MeSubscriptionAdmin", "MeXpAdmin", "OrderAdmin", "OrderReader", "OverrideShipping", "OverrideTax", "OverrideUnitPrice", "PasswordReset", "PriceScheduleAdmin", "PriceScheduleReader", "ProductAdmin", "ProductAssignmentAdmin", "ProductCollectionReader", "ProductFacetAdmin", "ProductFacetReader", "ProductReader", "ProductSyncConfigAdmin", "PromotionAdmin", "PromotionReader", "SecurityProfileAdmin", "SecurityProfileReader", "SetSecurityProfile", "ShipmentAdmin", "ShipmentReader", "Shopper", "SpendingAccountAdmin", "SpendingAccountReader", "SubscriptionAdmin", "SubscriptionReader", "SupplierAddressAdmin", "SupplierAddressReader", "SupplierAdmin", "SupplierReader", "SupplierUserAdmin", "SupplierUserGroupAdmin", "SupplierUserGroupReader", "SupplierUserReader", "UnsubmittedOrderReader", "UserGroupAdmin", "UserGroupReader", "OpenIDConnectReader", "OpenIDConnectAdmin", "MessageSenderReader", "MessageSenderAdmin", "XpIndexAdmin", "WebhookReader", "WebhookAdmin", "IntegrationEventReader", "IntegrationEventAdmin", "TrackingEventReader", "TrackingEventAdmin", "DeliveryConfigAdmin", "OrderSyncConfigAdmin", "ErrorConfigAdmin"

  - `CustomRoles` (array)
    Example: [""]

## Response 200 fields (application/json):

  - `access_token` (string)

  - `expires_in` (integer)

  - `token_type` (string)

  - `refresh_token` (string)

## Response 4XX fields (application/json):

  - `StatusCode` (integer)
    Example: "404"

  - `ErrorCode` (string)
    Example: "NotFoundError"

  - `Message` (string)
    Example: "Object not found"

  - `Data` (object)
    Example: {"ObjectType":"","ObjectID":""}