curl -X POST https://api.pdfapi.dev/v1/pdf/template \
  -H "Authorization: Bearer sk_live_xxx" \
  -H "Content-Type: application/json" \
  -d '{
    "template": "invoice",
    "data": {
      "invoice_number": "INV-2025-001",
      "date": "2025-01-18",
      "due_date": "2025-02-18",
      "customer": {
        "name": "Acme Corp",
        "email": "billing@acme.com",
        "address": "123 Business St, Suite 100"
      },
      "items": [
        {"description": "Widget Pro", "quantity": 2, "unit_price": 29.99},
        {"description": "Gadget Plus", "quantity": 1, "unit_price": 49.99}
      ],
      "subtotal": 109.97,
      "tax": 9.90,
      "total": 119.87
    }
  }' \
  --output invoice.pdf

const response = await fetch('https://api.pdfapi.dev/v1/pdf/template', {
  method: 'POST',
  headers: {
    'Authorization': `Bearer ${process.env.PDFAPI_KEY}`,
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    template: 'invoice',
    data: {
      invoice_number: 'INV-2025-001',
      date: '2025-01-18',
      due_date: '2025-02-18',
      customer: {
        name: 'Acme Corp',
        email: 'billing@acme.com',
        address: '123 Business St, Suite 100'
      },
      items: [
        { description: 'Widget Pro', quantity: 2, unit_price: 29.99 },
        { description: 'Gadget Plus', quantity: 1, unit_price: 49.99 }
      ],
      subtotal: 109.97,
      tax: 9.90,
      total: 119.87
    }
  }),
});

const buffer = await response.arrayBuffer();

import requests
import os

response = requests.post(
    'https://api.pdfapi.dev/v1/pdf/template',
    headers={
        'Authorization': f'Bearer {os.environ["PDFAPI_KEY"]}',
        'Content-Type': 'application/json',
    },
    json={
        'template': 'invoice',
        'data': {
            'invoice_number': 'INV-2025-001',
            'date': '2025-01-18',
            'due_date': '2025-02-18',
            'customer': {
                'name': 'Acme Corp',
                'email': 'billing@acme.com',
                'address': '123 Business St, Suite 100'
            },
            'items': [
                {'description': 'Widget Pro', 'quantity': 2, 'unit_price': 29.99},
                {'description': 'Gadget Plus', 'quantity': 1, 'unit_price': 49.99}
            ],
            'subtotal': 109.97,
            'tax': 9.90,
            'total': 119.87
        }
    }
)

with open('invoice.pdf', 'wb') as f:
    f.write(response.content)

package main

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

type InvoiceData struct {
    Template string                 `json:"template"`
    Data     map[string]interface{} `json:"data"`
}

func main() {
    payload := InvoiceData{
        Template: "invoice",
        Data: map[string]interface{}{
            "invoice_number": "INV-2025-001",
            "date":           "2025-01-18",
            "customer": map[string]string{
                "name":  "Acme Corp",
                "email": "billing@acme.com",
            },
            "items": []map[string]interface{}{
                {"description": "Widget Pro", "quantity": 2, "unit_price": 29.99},
            },
            "total": 119.87,
        },
    }

    body, _ := json.Marshal(payload)
    req, _ := http.NewRequest("POST", "https://api.pdfapi.dev/v1/pdf/template", bytes.NewBuffer(body))
    req.Header.Set("Authorization", "Bearer "+os.Getenv("PDFAPI_KEY"))
    req.Header.Set("Content-Type", "application/json")

    client := &http.Client{}
    resp, _ := client.Do(req)
    defer resp.Body.Close()

    pdf, _ := io.ReadAll(resp.Body)
    os.WriteFile("invoice.pdf", pdf, 0644)
}