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Qotien Fiscal Referential Value Lookup
x402
Qotien Fiscal Referential Value Lookup is a paid API for AI agents from app.qotien.fr, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-15).
Returns a sourced, dated scalar value from the French fiscal and retirement reference database for a given parameter key (e.g. IFI thresholds, PER ceilings, pension point values)
Price / call$0.05
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
A JSON object containing: a boolean success flag, the domain (fiscal/retraite/referentiel), the capability name called, a result object with the numeric value, its unit (EUR/PERCENT/RATE), and a human-readable label, a confidence enum (fiable/estime/partiel/sourcee/variable), an array of primary legal sources (Légifrance, BOFiP references), the referential version used, and the fiscal vintage year the value belongs to. On error, an 'error' field replaces 'result'.
Example use cases
IFI surtax threshold for singles
“What is the current CEHR surtax threshold for a single person in France? I need the exact euro value, the unit, and which legal source it comes from.”
CARMF pension point value
“Look up the current CARMF RCV pension point value in the Qotien referential — I need the numeric value, its unit, and how confident the system is in that figure.”
PER deduction ceiling check
“What is the official PER deduction ceiling I should use for a retirement planning simulation this fiscal year? Give me the sourced value and the fiscal vintage it applies to.”
Technical details
Endpoint
POSThttps://app.qotien.fr/api/fiscal/v1/calc/valeurWhen to prefer
Choose this endpoint when you need a precise, legally sourced scalar value from the French fiscal or retirement referential (thresholds, ceilings, point values, rates) and need to cite its legal provenance (Légifrance/BOFiP). Prefer it over general web search when accuracy, traceability, and fiscal vintage metadata are required for tax simulation or CGP advisory workflows.
Side effects
- Unknown or misspelled 'cle' key returns ok:false with an error field
- Key exists but value is non-calculable — confiance returns 'non_calculable'
- Stale referential version if the API is not updated after a fiscal year change
- Network timeout if the service is unavailable during high load
- Invalid JSON body returns a 400-level error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| cle | string | Clé publique stable (liste via referentiel_recherche). Ex. pass, cehr_seuil_celibataire, reversion_plafond_couple, carmf_rcv_valeur_point. |
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": null,
"label": "Valeur du référentiel (sourcée + datée)",
"value": 0
},
"domaine": "referentiel",
"sources": [
"references_officielles.json v0.8.6"
],
"confiance": "sourcee",
"capability": "valeur",
"referentiel": "references_officielles.json v0.8.6",
"annee_revenus": 2025,
"millesime_fiscal": "2026"
}
}Tags
x402
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