/bff/contact/set-billing-flags

Updates the EU reverse-charge default and tax-exempt status of a contact. Only the provided fields are changed; omit a field to keep its current value.

ContactpostBffContactSet-billing-flags

Parameters

JSON body

Request body

application/json

customerIdstringRequired

Contact external ID.

Exampleabc123def456ghij

reverseChargebooleanOptional

When true, invoices for this contact default to 0 % VAT with the "reverse charge" note (EU B2B intra-community supply). Set true after a successful VIES validation for non-CZ EU contacts.

taxExemptbooleanOptional

When true, the contact is exempt from VAT (non-profits, government bodies, etc.).

Response schema

1 status code documented

200Success

successbooleanRequired

Response example

application/json

{
  "success": false
}

Request example

POST /bff/contact/set-billing-flags

post

curl -X POST "https://api.bizkithub.com/bff/contact/set-billing-flags" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
  "customerId": "abc123def456ghij",
  "reverseCharge": false,
  "taxExempt": false
}'

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