{"uid":"cap_3NAnhEe9Hsp8froLjmAvF","slug":"qotien-french-tax-niche-cap-calculator-niches-plafond-84613831","name":"Qotien — French Tax Niche Cap Calculator (niches_plafond)","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/niches_plafond","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"niches":{"type":"array","items":{"type":"object","required":["type","montant"],"properties":{"type":{"type":"string"},"montant":{"type":"number","minimum":0}},"additionalProperties":false},"description":"Liste des avantages : [{type, montant}]. `type` = libellé de niche (ex. \"Emploi à domicile\", \"FCPI\", \"SOFICA\", \"Dons organismes intérêt général\")."}}},"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":"Plafonnement global des niches fiscales","value":0},"domaine":"fiscal","sources":["CGI art. 200-0 A (plafonnement global)","CGI art. 200 (dons)"],"confiance":"fiable","capability":"niches_plafond","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_O1Hosba-BArl0Rt7Fs9wD","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":"Computes the French global tax-niche ceiling (plafonnement global des niches fiscales, CGI art. 200-0 A) given a list of tax advantages and their amounts.","exampleAgentPrompt":"Calculate the global French tax-niche ceiling for a client who has 3 000 € in emploi à domicile, 5 000 € in FCPI, and 2 000 € in Dons organismes d'intérêt général — tell me the total cap and the confidence level.","exampleUseCases":[{"title":"CGP client annual tax declaration review","prompt":"My client has 4 000 € in SOFICA, 2 500 € in emploi à domicile, and 1 500 € in FCPI investments — calculate their global niche cap under the plafonnement global des niches fiscales so I can finalize their déclaration 2042."},{"title":"Pre-investment tax advantage compliance check","prompt":"Before my client subscribes to an additional FCPI of 6 000 €, can you compute the current niche ceiling given they already have 3 000 € in Dons organismes d'intérêt général and 2 000 € in emploi à domicile? I need to know if they'll be capped."},{"title":"Portfolio optimization for niche ceiling","prompt":"I'm advising a client with 8 000 € in SOFICA, 3 000 € in emploi à domicile, and 4 000 € in FCPI — run the plafonnement global calculation and tell me the EUR cap value and whether the result is fiable so I can adjust their portfolio."}],"resultDescription":"Returns a JSON object with ok (boolean), result containing a EUR value for the global niche cap, a human-readable label, a confidence level (fiable/estime/partiel/non_calculable/sourcee/variable), legal sources (e.g. CGI art. 200-0 A), the fiscal year applied (millesime_fiscal), and an advisory disclaimer.","failureModes":["Invalid niche type string — unrecognized libellé may produce non_calculable confidence","Negative montant — rejected by schema (minimum: 0)","Empty niches array — may return 0 cap value or error","Missing required fields (type or montant) — API returns ok:false with error field","Unsupported fiscal year edge cases — may return estime confidence instead of fiable"],"whenToPreferThis":"Use this endpoint when you need a legally-sourced, automated calculation of the French global tax-niche ceiling (plafonnement global des niches fiscales under CGI art. 200-0 A) for a specific combination of tax advantages. Prefer it over generic tax calculators because it references official Légifrance and BOFiP sources and returns a structured confidence rating. Best suited for CGP (wealth management advisor) workflows, tax declaration prep, and pre-investment compliance checks within the French fiscal system.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:53:15.264Z","isFirstParty":false}