The formula
Pix/cartão ≥R$10: 3.9% + R$1. On R$100: 100 − 3.90 − 1.00 = R$95.10 (label-only; no FX). Boleto ≥R$10: 3.9% + R$3 → R$93.10 preset. Under R$10: 20%+fix documented — not first paint. Saque typed $0.
Sources
HeroSpark Ajuda — Quais são as taxas de venda? (Jan 28, 2026). Labels only, no FX. BR stack. Affiliates none found — no Impact CTA.
FAQ
How much do you keep on R$100 with HeroSpark?
Default first paint: KEEP R$95.10. Official Pix/card ≥R$10: 3.9%+R$1. Formula: KEEP = G − (0.039G + 1.00). Monthly/plan typed $0. Currency picker is labels only — not live FX. Under-R$10 sales print 20%+fix. Saque R$4.73 is typed $0 not baked into KEEP. Planning only. Not affiliated. Sources: HeroSpark Ajuda — Quais são as taxas de venda? (Jan 28, 2026). Labels only, no FX. BR stack. Affiliates none found — no Impact CTA.
Is monthly/plan billed inside R$95.10?
No. Monthly/plan is a typed line, default $0, never baked into KEEP R$95.10.
What else about HeroSpark fees?
Currency picker is labels only — not live FX. Under-R$10 sales print 20%+fix. Saque R$4.73 is typed $0 not baked into KEEP. Planning only.
Is this affiliated?
Not affiliated with HeroSpark. Affiliates none found. Educational planning only.