Submit W-8BEN-E Tax Documentation Data

post

https://api.multi1.enterprise.taxbit.com/v1/account-owners/{id}/tax-documentation-data/w-8ben-e

Submit W-8BEN-E tax documentation data for an account owner. This endpoint allows you to collect and store W-8BEN-E form information required for tax reporting and compliance.

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Note: This API supports submitting W-8BEN-E data that was collected outside of Taxbit. The API will validate and store the submitted information, but it does NOT generate PDFs or signed tax forms.
To produce signatures and downloadable PDF forms, clients must use the Taxbit React SDK, which provides the full end-user interview, signing flow, and PDF generation capabilities.

Path Params

string

required

Account owner ID

Body Params

name

string

country

string

^[A-Z]{2}$

tax_classification

string

enum

permanent_address

object

mailing_address

object

us_tin

string

ftin

string

reference_numbers

string

ftin_not_legally_required

boolean

Defaults to false

has_signed_and_certified

boolean

signature_timestamp

string

completed_for

string

enum

Defaults to ACCOUNT_HOLDER

Allowed:

treaty_claim_is_eligible

boolean

treaty_claim_country

string

^[A-Z]{2}$

treaty_claim_i_certify_resident

boolean

treaty_claim_i_certify_requirements

boolean

treaty_claim_limitation_on_benefits

string

treaty_claim_limitation_on_benefits_other_article_paragraph

string

treaty_claim_type_of_income

string

enum

Allowed:

treaty_claim_rate_of_withholding

string

treaty_claim_article_paragraph

string

treaty_claim_has_additional_conditions

boolean

Responses

Language

Credentials

Bearer

JWT

URL

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Response

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application/json

201W-8BEN-E submitted

400Bad Request

401Unauthorized

403Forbidden

404Not Found

429Too Many Requests