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Qotien CDHR French High-Income Differential Contribution Calculator
x402
Qotien CDHR French High-Income Differential Contribution Calculator is a paid API for AI agents from app.qotien.fr, paid per call via x402, $0.25/call, status unknown (last checked 2026-09-15).
Calculates the French Contribution Différentielle sur les Hauts Revenus (CDHR) based on household fiscal reference income, family quotient, and financial income breakdown
Price / call$0.25
Success—
StatusUnknown
How this service works
Simulateur IFI, PER, IR et retraite (32 régimes). Logiciel CGP : bilan patrimonial, déclaration 2042, LMNP. Chiffres sourcés Légifrance et BOFiP. 14 jours d'essai.
Output
Returns a JSON object with 'ok' status, the CDHR amount in EUR with label and unit, a confidence level (fiable/estime/partiel/sourcee/variable), the legal sources used (e.g. CGI art. 224), the fiscal millesime (year of tax scales applied), the domain ('fiscal'), and an optional warning that the result is informational and not personalized tax advice.
Example use cases
High-earning single taxpayer CDHR check
“I'm single with a revenu fiscal de référence of 320 000 € and no dependents — can you calculate how much CDHR I'd owe this year using the Qotien fiscal calculator?”
Married couple with dividend income
“My wife and I are married with 2 parts de quotient familial, an RFR of 550 000 €, 2 personnes à charge, and 60 000 € in dividend income taxed at PFU — what would our CDHR be?”
CGP client patrimonial review
“I'm preparing a bilan patrimonial for a client who is Pacsé with 1.5 parts, an RFR of 480 000 €, and an impôt de référence exact of 95 000 € — can you simulate their CDHR contribution so I can include it in the report?”
Technical details
Endpoint
POSThttps://app.qotien.fr/api/fiscal/v1/calc/cdhrWhen to prefer
Use this endpoint when you need a precise, legally-sourced calculation of the French CDHR (Contribution Différentielle sur les Hauts Revenus, CGI art. 224) for a household, especially when handling complex cases involving PFU financial income corrections, multiple dependents, or adjusted RFR. Prefer this over generic tax estimators when you need confidence levels and primary legal source citations (Légifrance/BOFiP) for compliance or CGP reporting purposes.
Side effects
- Missing required field revenu_fiscal_reference returns validation error
- RFR below CDHR threshold (250k single / 500k couple) returns value of 0 without error
- Invalid situation familiale enum value returns schema error
- Negative income values rejected by minimum:0 constraint
- Network timeout or payment failure returns non-200 with payment required error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| parts | number | Parts de quotient familial. |
| situation | string | Situation familiale (seuils célib 250 k / couple 500 k, majoration 12 500 € couple). |
| rfr_ajuste | number | RFR ajusté art. 224 II (assiette CDHR) si connu. Absent → = RFR. |
| impot_reference | number | Imposition effective exacte de la déclaration (€). Absent → reconstruite (IR barème + PFU + CEHR + majorations). |
| nb_personnes_charge | number | Personnes à charge (majoration 1 500 € chacune de l'imposition de référence). |
| revenus_financiers_pfu | number | Revenus financiers imposés au PFU 12,8 % (dividendes + intérêts) inclus dans le RFR (€) — corrige l'imposition de référence. |
| revenu_fiscal_reference | number | RFR du foyer (€). |
Output
Schema · Response
{
"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": "Contribution différentielle sur les hauts revenus (CDHR)",
"value": 0
},
"domaine": "fiscal",
"sources": [
"CGI art. 224 (CDHR)",
"CGI art. 223 sexies (CEHR)",
"FAQ CDHR impots.gouv.fr"
],
"confiance": "fiable",
"capability": "cdhr",
"referentiel": "references_officielles.json v0.8.6",
"annee_revenus": 2025,
"millesime_fiscal": "2026"
}
}Tags
x402
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