Schéma JSON : extraire une facture

JSON Schema pour extraire une facture avec un LLM : fournisseur, numéro, date, lignes, totaux HT, TVA et TTC. Prêt pour les sorties structurées.

Extrais les informations de la facture fournie. Les montants sont des nombres en euros, sans symbole. Si une information manque, ne l'invente pas.

JSON Schema

{
  "type": "object",
  "required": [
    "fournisseur",
    "date",
    "total_ttc"
  ],
  "properties": {
    "tva": {
      "type": "number"
    },
    "date": {
      "type": "string",
      "format": "date",
      "description": "Date d'émission (AAAA-MM-JJ)"
    },
    "lignes": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "libelle",
          "montant_ht"
        ],
        "properties": {
          "libelle": {
            "type": "string"
          },
          "quantite": {
            "type": "number"
          },
          "montant_ht": {
            "type": "number"
          }
        }
      }
    },
    "numero": {
      "type": "string",
      "description": "Numéro de la facture"
    },
    "total_ht": {
      "type": "number"
    },
    "total_ttc": {
      "type": "number"
    },
    "fournisseur": {
      "type": "string",
      "description": "Raison sociale du fournisseur"
    }
  }
}

Ejemplo de salida

{
  "fournisseur": "Imprimerie Martin SARL",
  "numero": "F-2026-0412",
  "date": "2026-09-15",
  "lignes": [
    {
      "libelle": "Cartes de visite x500",
      "quantite": 1,
      "montant_ht": 80.0
    },
    {
      "libelle": "Flyers A5 x1000",
      "quantite": 1,
      "montant_ht": 120.0
    }
  ],
  "total_ht": 200.0,
  "tva": 40.0,
  "total_ttc": 240.0
}

Coste estimado

Tokens de entrada por llamada : ≈ 539

Solo coste de entrada, sin la respuesta del modelo. Precios públicos estándar de los proveedores (Mistral AI, DeepSeek, OpenAI, Anthropic) convertidos de USD a euros al tipo del BCE del 29 de septiembre de 2026. Estimación: 1 token ≈ 3,6 caracteres.

Identificador

contextetech--extraire-une-facture

Tipo

Esquemas de salida

Archivo

extraire-une-facture.schema.json

Formato

JSON (application/json)

Tamaño

977 bytes

Codificación

UTF-8

Tokens estimados

≈ 271

Idioma

Francés

Licencia

MIT

Uso comercial

Permitido

Datos personales

Ninguno

Versión

1.0

Publicado el

1 de octubre de 2026 a las 18:46

Actualizado el

1 de octubre de 2026 a las 18:46

Almacenamiento

en base de datos

Usos

0

Me gusta

0

extraire-une-facture.schema.json

{
  "type": "object",
  "required": [
    "fournisseur",
    "date",
    "total_ttc"
  ],
  "properties": {
    "tva": {
      "type": "number"
    },
    "date": {
      "type": "string",
      "format": "date",
      "description": "Date d'émission (AAAA-MM-JJ)"
    },
    "lignes": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "libelle",
          "montant_ht"
        ],
        "properties": {
          "libelle": {
            "type": "string"
          },
          "quantite": {
            "type": "number"
          },
          "montant_ht": {
            "type": "number"
          }
        }
      }
    },
    "numero": {
      "type": "string",
      "description": "Numéro de la facture"
    },
    "total_ht": {
      "type": "number"
    },
    "total_ttc": {
      "type": "number"
    },
    "fournisseur": {
      "type": "string",
      "description": "Raison sociale du fournisseur"
    }
  }
}

API de Anthropic (Python)

import json, anthropic

schema = json.load(open("extraire-une-facture.schema.json"))
client = anthropic.Anthropic()
resp = client.messages.create(model="claude-sonnet-5", max_tokens=1024,
    tools=[{"name": "extraire", "description": "Renvoie les données extraites", "input_schema": schema}],
    tool_choice={"type": "tool", "name": "extraire"},
    messages=[{"role": "user", "content": "tu entrada aquí"}])
print(resp.content[0].input)

Formato OpenAI (response_format)

{
  "type": "json_schema",
  "json_schema": {
    "name": "extraire-une-facture",
    "schema": {
      "type": "object",
      "required": [
        "fournisseur",
        "date",
        "total_ttc"
      ],
      "properties": {
        "tva": {
          "type": "number"
        },
        "date": {
          "type": "string",
          "format": "date",
          "description": "Date d'émission (AAAA-MM-JJ)"
        },
        "lignes": {
          "type": "array",
          "items": {
            "type": "object",
            "required": [
              "libelle",
              "montant_ht"
            ],
            "properties": {
              "libelle": {
                "type": "string"
              },
              "quantite": {
                "type": "number"
              },
              "montant_ht": {
                "type": "number"
              }
            }
          }
        },
        "numero": {
          "type": "string",
          "description": "Numéro de la facture"
        },
        "total_ht": {
          "type": "number"
        },
        "total_ttc": {
          "type": "number"
        },
        "fournisseur": {
          "type": "string",
          "description": "Raison sociale du fournisseur"
        }
      }
    },
    "strict": true
  }
}