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Deel: Create a tax form for the authenticated worker — request body — body data form type: W8 BEN us tax number

Create a tax form for the authenticated worker: request body, field body / data / form_type: W8_BEN / us_tax_number. Complete fields and constraints for contract 2026-10-27.

API reference · Contract 2026-10-27

SDK schema: Create a tax form for the authenticated worker — request body — body / data / form_type: W8 BEN us tax number

FieldTypePresenceDescription and constraints
$objectRootUS Taxpayer Identification Number.
typestringRequired within parentUS tax ID type.
One of: SSN, ITIN
valuestringRequired within parentUS tax ID value.

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