Extract structured data from any document

import requests

response = requests.post(
    "https://api.docextract.ink/extract/invoice",
    headers={"X-API-Key": "YOUR_API_KEY"},
    files={"file": open("invoice.pdf", "rb")}
)

data = response.json()
print(data["data"]["vendor"])          # "Acme Corp"
print(data["data"]["total"])           # 9900.0
print(data["data"]["invoice_number"])  # "INV-2026-0042"

# Custom schema extraction
schema = {
    "company_name": "string",
    "total_amount": "number",
    "due_date": "date"
}

response = requests.post(
    "https://api.docextract.ink/extract",
    headers={"X-API-Key": "YOUR_API_KEY"},
    files={"file": open("contract.pdf", "rb")},
    data={"schema": json.dumps(schema)}
)

const form = new FormData();
form.append("file", fileInput.files[0]);

const res = await fetch("https://api.docextract.ink/extract/invoice", {
  method: "POST",
  headers: { "X-API-Key": "YOUR_API_KEY" },
  body: form,
});

const { success, data } = await res.json();
console.log(data.vendor);          // "Acme Corp"
console.log(data.total);           // 9900
console.log(data.invoice_number);  // "INV-2026-0042"

// Node.js with fs
import fs from "fs";
import FormData from "form-data";

const form = new FormData();
form.append("file", fs.createReadStream("invoice.pdf"));

const res = await fetch("https://api.docextract.ink/extract/invoice", {
  method: "POST",
  headers: {
    "X-API-Key": "YOUR_API_KEY",
    ...form.getHeaders(),
  },
  body: form,
});

package main

import (
    "bytes"
    "encoding/json"
    "fmt"
    "io"
    "mime/multipart"
    "net/http"
    "os"
)

func main() {
    file, _ := os.Open("invoice.pdf")
    defer file.Close()

    body := &bytes.Buffer{}
    writer := multipart.NewWriter(body)
    part, _ := writer.CreateFormFile("file", "invoice.pdf")
    io.Copy(part, file)
    writer.Close()

    req, _ := http.NewRequest("POST",
        "https://api.docextract.ink/extract/invoice", body)
    req.Header.Set("X-API-Key", "YOUR_API_KEY")
    req.Header.Set("Content-Type", writer.FormDataContentType())

    resp, _ := http.DefaultClient.Do(req)
    defer resp.Body.Close()

    var result map[string]interface{}
    json.NewDecoder(resp.Body).Decode(&result)
    fmt.Println(result["data"])
}