{"uid":"cap_o8TnLMWGjIsRGgMLL25o9","slug":"qotien-calculateur-de-plus-value-immobili-re-france-08f4925d","name":"Qotien — Calculateur de plus-value immobilière (France)","description":"Simulateur IFI, PER, IR et retraite (32 régimes). Logiciel CGP : bilan patrimonial, déclaration 2042, LMNP. Chiffres sourcés Légifrance et BOFiP. 14 jours d'essai.","url":"https://app.qotien.fr/api/fiscal/v1/calc/plus_value_immobiliere","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"travaux":{"type":"number","minimum":0,"description":"Travaux (€). Absent → forfait 15 % du prix d'acquisition si détention ≥ 5 ans."},"lmnp_reel":{"type":"boolean","default":false,"description":"LMNP au réel : réintègre les amortissements déduits au prix d'acquisition majoré (réforme 2025)."},"prix_cession":{"type":"number","minimum":0,"description":"Prix de cession (€)."},"frais_cession":{"type":"number","minimum":0,"description":"Frais de cession — diagnostics, agence… (€)."},"annees_detention":{"type":"number","minimum":0,"description":"Durée de détention en années (abattements dès 6 ans ; exonération IR à 22 ans, PS à 30 ans)."},"prix_acquisition":{"type":"number","minimum":0,"description":"Prix d'acquisition du bien (€)."},"frais_acquisition":{"type":"number","minimum":0,"description":"Frais d'acquisition réels (€). Absent → forfait 7,5 % du prix d'acquisition."},"residence_principale":{"type":"boolean","default":false,"description":"Si vrai : exonération totale (art. 150 U II 1° CGI)."},"amortissements_deduits":{"type":"number","minimum":0,"description":"Amortissements déduits à réintégrer si lmnp_reel (€)."}}},"responseSchema":{"type":"json","schema":{"type":"object","required":["ok","domaine","capability","result","confiance","sources","millesime_fiscal"],"properties":{"ok":{"type":"boolean","description":"true = succès ; false = erreur (champ \"error\" présent à la place de result)."},"result":{"type":"object","properties":{"unit":{"type":"string","description":"Unité de value (EUR, PERCENT, RATE…)."},"label":{"type":"string","description":"Libellé lisible du résultat."},"value":{"type":"number","description":"Valeur principale (quand le résultat est scalaire)."},"confiance":{"enum":["fiable","estime","partiel","non_calculable","sourcee","variable"],"type":"string","description":"Confiance propre au résultat retraite (prime sur la confiance de capacité)."}},"description":"Résultat. Contient typiquement { value:number, unit:string, label:string } ; les outils retraite ajoutent confiance, fourchette, et le détail par régime."},"domaine":{"enum":["fiscal","retraite","referentiel","qotien"],"type":"string","description":"Domaine de la capacité."},"sources":{"type":"array","items":{"type":"string"},"description":"Sources primaires/légales du calcul."},"confiance":{"enum":["fiable","estime","partiel","non_calculable","sourcee","variable"],"type":"string","description":"Niveau de confiance de CE résultat (fiscal = fiable ; retraite = variable)."},"capability":{"type":"string","description":"Nom de la capacité appelée."},"referentiel":{"type":"string","description":"Version du référentiel sourcé utilisé."},"annee_revenus":{"type":"number","description":"Année des revenus concernés."},"avertissement":{"type":"string","description":"Avertissement d'usage (résultat brut, pas un conseil personnalisé)."},"millesime_fiscal":{"type":"string","description":"Millésime fiscal (année des barèmes appliqués)."}}},"example":{"ok":true,"result":{"unit":"EUR","label":"Plus-value immobilière (IR + PS + surtaxe)","value":0},"domaine":"fiscal","sources":["CGI art. 150 U à 150 VH","CGI art. 200 B (taux IR 19 %)","CGI art. 1609 nonies G (surtaxe)","LFSS 2026 (PS 17,2 % maintenu sur PV immobilière)"],"confiance":"fiable","capability":"plus_value_immobiliere","referentiel":"references_officielles.json v0.8.6","annee_revenus":2025,"millesime_fiscal":"2026"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.25","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.25/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_GIIAL1WKKUfXUBXXkefUk","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.25","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates French real estate capital gains tax (IR + prélèvements sociaux + surtaxe) including holding-period exemptions, renovation deductions, and LMNP 2025 reform adjustments","exampleAgentPrompt":"I'm selling a French apartment I bought for €320,000 in 2010 (14 years ago) and selling for €520,000 today. I spent €40,000 on renovations and paid €8,000 in agency fees on the sale side. Can you calculate my total capital gains tax (IR, social levies, and any surcharge)?","exampleUseCases":[{"title":"Primary residence sale exemption check","prompt":"I'm selling my main home in Paris — I've lived there for 8 years. Purchase price was €450,000, selling for €680,000. Can you confirm I'm totally exempt from capital gains tax and show me what the tax would have been otherwise?"},{"title":"Long-held rental property near full exemption","prompt":"I'm selling a French rental property I've owned for 21 years. I bought it for €150,000, selling for €310,000, and I have no renovation costs. How much IR and prélèvements sociaux will I owe given the holding-period abatements, and will another year of holding make me fully exempt from income tax?"},{"title":"LMNP real-regime sale with amortissement reintegration","prompt":"I'm selling a furnished rental (LMNP au réel) I bought for €200,000 six years ago, selling for €280,000. Over the years I deducted €35,000 in amortissements. How does the 2025 LMNP reform affect my capital gains tax — what's my total tax bill including the reintegration?"}],"resultDescription":"Returns a JSON object containing: a boolean `ok` status, the computed capital gain and total tax owed in EUR (IR at 19% + social levies at 17.2% + progressive surcharge if applicable), confidence level (typically 'fiable' for fiscal calculations), the CGI legal sources used, the fiscal year vintage of the tax scales applied, and a disclaimer that the result is informational and not personalised tax advice.","failureModes":["Missing required fields (prix_cession or prix_acquisition) returns ok:false with an error description","Negative computed gain (sale at a loss) returns 0 tax — not an error but may be unexpected","If annees_detention ≥ 30, result may simply be 0 (full social levy exemption)","lmnp_reel=true without amortissements_deduits may yield an estimate rather than exact figure","Confidence level may drop to 'estime' or 'partiel' for edge cases not fully covered by the barème"],"whenToPreferThis":"Use this endpoint when you need a French-law-compliant capital gains tax calculation for real estate, especially when holding-period abatements, renovation forfaits, LMNP 2025 reform reintegration, or primary-residence exemptions are involved. Prefer this over generic tax calculators because it references Légifrance/BOFiP sources directly and handles all CGI art. 150 U to 150 VH rules including the progressive surcharge. Not appropriate for stock/securities capital gains or non-French jurisdictions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:51:47.788Z","isFirstParty":false}