Finance
Simulateur de finances personnelles « et si » (sans compte)
Simule 30 ans de patrimoine par Monte Carlo avec graine : tranches fiscales US 2026, FICA, utilisation du matching 401(k), échelle de conversion Roth, seuil achat-location et refinancement — sans inscription.
Démarrage rapide
Appelez cet outil depuis votre code en trois langages.
curl -X POST 'https://api.elysiatools.com/fr/api/tools/personal-finance-what-if-simulator-no-account-required-tax-loan-rent-savings' \
-H 'Content-Type: application/json' \
-d '{"age":32,"filingStatus":"single","annualGrossIncome":85000,"stateTaxPct":5,"monthlyExpenses":3200,"monthlyRent":1800,"loanBalance":0,"loanApr":6.5,"loanYearsLeft":0,"portfolioBalance":15000,"stockAllocationPct":80,"k401Pct":10,"employerMatchPct":50,"matchCapPct":6,"iraAnnual":0,"hsaAnnual":0,"scenario":"none","scenarioYear":3,"scenarioMagnitudePct":10,"mcTrials":1000,"randomSeed":42}'