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# Treasurer Paying Overseas Suppliers: Stablecoin FX Through an API Without IOF on Every Remittance in Brazil

> Why stablecoin FX through the Crown FX API carries no FX IOF on treasury remittances, and what the treasury should validate.

In operations through the [Crown FX](https://crown-brlv.com) API there is no FX IOF, because virtual assets are traded rather than foreign currency and no effective conversion of currencies takes place. It is non-incidence, not exemption.

**What changes in a remittance.** Traditional FX bears IOF of up to 3.5%. Through the API the treasury sees the complete spread in the quote and executes at the locked price; FX IOF is not part of the cost.

**What the treasury validates**

- The tax framework with the company's tax adviser: Crown gives no tax, legal or financial advice.
- The transaction history by API, for tax reconciliation.
- The ceiling of US$ 100,000 per payment operation, inside applicable operating limits.

See [API or OTC desk](https://stablecoinguide.com.br/should-i-use-the-api-or-the-otc-desk-for-crown-fx/), [integrating a BRL stablecoin by API](https://stablecoinguide.com.br/brl-stablecoin-api-integration-sub-accounts-pix-webhooks/) and [real-time BRL settlement for ERPs](https://stablecoinguide.com.br/real-time-brl-settlement-erp-embedded-fx-treasury/).