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"
    }
  }
}

Esempio di output

{
  "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
}

Costo stimato

Token di input per chiamata : ≈ 539

Solo costo di input, esclusa la risposta del modello. Prezzi pubblici standard dei fornitori (Mistral AI, DeepSeek, OpenAI, Anthropic) convertiti da USD in euro al cambio BCE del 29 settembre 2026. Stima: 1 token ≈ 3,6 caratteri.

Identificativo

contextetech--extraire-une-facture

Tipo

Schemi di output

File

extraire-une-facture.schema.json

Formato

JSON (application/json)

Dimensione

977 byte

Codifica

UTF-8

Token stimati

≈ 271

Lingua

Francese

Licenza

MIT

Uso commerciale

Consentito

Dati personali

Nessuno

Versione

1.0

Pubblicato il

1 ottobre 2026 alle ore 18:46

Aggiornato il

1 ottobre 2026 alle ore 18:46

Archiviazione

nel database

Utilizzi

0

Mi piace

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 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": "il tuo input qui"}])
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
  }
}