# Set transaction tax only

> POST /v1/transactions/{transaction_id}/tax_only

Source: https://docs.trykintsugi.com/reference/set-transaction-tax-only

POST /v1/transactions/{transaction_id}/tax_only

Set transaction tax only

Mark or unmark a transaction as tax-only. SALE becomes TAX_COLLECTION; credit notes become TAX_REFUND. Unmark restores SALE or re-derives FULL/PARTIAL credit note. Only the type is changed; amounts are preserved.

Category: Transactions

Path parameters:
transaction_id (string, required)

Request body:
tax_only (boolean, required) - True to mark as tax-only; false to remove the tax-only marking.

Response statuses: 204, 422

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Index of every page: https://docs.trykintsugi.com/llms.txt
