PDF와 이미지를 스키마대로 채운 JSON으로.

// npm install @schift-io/[email protected]
import { readFile } from "node:fs/promises";
import { StructifyClient } from "@schift-io/sdk/structify";

const client = new StructifyClient({
  apiKey: process.env.SCHIFT_API_KEY,
  gatewayUrl: "https://gw.schift.io",
});

const pdf = await readFile("invoice.pdf");
const ocr = await client.ocr(pdf, { contentType: "application/pdf" });

const result = await client.structify({
  schema: {
    type: "object",
    properties: {
      vendor: { type: ["string", "null"] },
      total: { type: ["number", "null"] },
    },
    required: ["vendor", "total"],
    additionalProperties: false,
  },
  ocr, // OCR 결과 재사용
});

const total = result.structured.fields.total;
const confidence = result.structured.field_confidence.total?.combined;
const evidence = result.structured.evidence.total;

curl https://gw.schift.io/v1/ocr \
  -H "Authorization: Bearer $SCHIFT_API_KEY" \
  -F "[email protected];type=application/pdf"

curl https://gw.schift.io/v1/structify \
  -H "Authorization: Bearer $SCHIFT_API_KEY" \
  -H "Content-Type: application/json" \
  -d @- <<EOF
{
  "schema": {
    "type": "object",
    "properties": {
      "vendor": { "type": ["string", "null"] },
      "total":  { "type": ["number", "null"] }
    },
    "required": ["vendor", "total"],
    "additionalProperties": false
  },
  "content_type": "application/pdf",
  "file_base64": "$(base64 < invoice.pdf | tr -d '\n')"
}
EOF