Chaletiste

Chaletiste Calculs API

Budget total et formalité d'urbanisme.

Documentation GitHub OpenAPI

Operations 2

GET /api/v1/budget Budget total : kit + fondation + montage + taxe d'aménagement 2026, avec… #

GET /api/v1/permit Formalité d'urbanisme : aucune, déclaration préalable ou permis de construire #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Chaletiste Calculs API
  version: 1.0.0
  summary: 'Comparateur français des chalets en bois en kit : données ouvertes, recherche, budget, urbanisme, devis.'
  description: 'API publique et gratuite de Chaletiste (https://chaletiste.fr). Lecture sans clé ; les fichiers /api/v1/*.json sont régénérés chaque nuit. Données sous licence CC BY 4.0, attribution « Chaletiste » avec lien. Les endpoints quote et price-alert transmettent des données personnelles : le consentement explicite de l''utilisateur humain est obligatoire (consent: true). Serveur MCP équivalent : https://chaletiste.fr/api/mcp. Documentation : https://chaletiste.fr/developpeurs/.'
  contact:
    name: Chaletiste
    email: bonjour@chaletiste.fr
    url: https://chaletiste.fr/developpeurs/
  license:
    name: CC BY 4.0 (données)
    identifier: CC-BY-4.0
servers:
- url: https://chaletiste.fr
security: []
tags:
- name: Calculs
  description: Budget total et formalité d'urbanisme.
paths:
  /api/v1/budget:
    get:
      operationId: estimateBudget
      tags:
      - Calculs
      summary: 'Budget total : kit + fondation + montage + taxe d''aménagement 2026, avec…'
      parameters:
      - name: product
        in: query
        required: true
        description: id du modèle.
        schema:
          type: string
      - name: foundation
        in: query
        required: false
        description: Fondation.
        schema:
          type: string
          enum:
          - dalle
          - plots
          - none
      - name: assembly
        in: query
        required: false
        description: Montage.
        schema:
          type: string
          enum:
          - pro
          - self
      - name: region
        in: query
        required: false
        description: Valeur forfaitaire de la taxe.
        schema:
          type: string
          enum:
          - idf
          - hors-idf
      - name: surface_taxable
        in: query
        required: false
        description: 'Surface taxable (m²), défaut : surface du modèle.'
        schema:
          type: number
      - name: commune_rate
        in: query
        required: false
        description: Taux communal en % (défaut 5).
        schema:
          type: number
      - name: department_rate
        in: query
        required: false
        description: Taux départemental en % (défaut 2,5).
        schema:
          type: number
      - name: main_residence
        in: query
        required: false
        description: 'Résidence principale : abattement de 50 %.'
        schema:
          type: boolean
      - name: archeology
        in: query
        required: false
        description: Inclure l'archéologie préventive (défaut true).
        schema:
          type: boolean
      responses:
        '200':
          description: Estimation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BudgetResponse'
        '400':
          description: Erreur
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '404':
          description: Erreur
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
  /api/v1/permit:
    get:
      operationId: checkPermit
      tags:
      - Calculs
      summary: 'Formalité d''urbanisme : aucune, déclaration préalable ou permis de construire'
      parameters:
      - name: surface
        in: query
        required: true
        description: Surface (m²), la plus grande de l'emprise au sol et de la surface de plancher.
        schema:
          type: number
      - name: extension
        in: query
        required: false
        description: 1 si extension d'une maison existante.
        schema:
          type: integer
          enum:
          - 0
          - 1
      - name: zone_urbaine_plu
        in: query
        required: false
        description: 1 si zone urbaine couverte par un PLU.
        schema:
          type: integer
          enum:
          - 0
          - 1
      - name: secteur_protege
        in: query
        required: false
        description: 1 si secteur protégé.
        schema:
          type: integer
          enum:
          - 0
          - 1
      responses:
        '200':
          description: Formalité
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PermitResponse'
        '400':
          description: Erreur
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
components:
  schemas:
    Error:
      type: object
      properties:
        ok:
          type: boolean
          const: false
        error:
          type: object
          properties:
            code:
              type: string
            message:
              type: string
    PermitResponse:
      type: object
      properties:
        ok:
          type: boolean
        permit:
          type: object
          properties:
            code:
              type: string
              enum:
              - aucune
              - dp
              - pc
            label:
              type: string
        rule:
          type: string
        instruction_delay:
          type:
          - string
          - 'null'
        notes:
          type: array
          items:
            type: string
        sources:
          type: array
        explanation:
          type: string
    BudgetResponse:
      type: object
      properties:
        ok:
          type: boolean
        total_eur:
          type: number
        range_eur:
          type: object
          properties:
            low:
              type: number
            high:
              type: number
        lines:
          type: array
          items:
            type: object
            properties:
              item:
                type: string
              label:
                type: string
              amount_eur:
                type: number
              low_eur:
                type: number
              high_eur:
                type: number
              source:
                type: string
        assumptions:
          type: array
          items:
            type: string
        explanation:
          type: string
        sources:
          type: array
externalDocs:
  description: Guide développeurs et agents
  url: https://chaletiste.fr/developpeurs/