PDF Packing Slip Generator

Overview

The PDF Packing Slip Generator creates professional PDF packing slips from structured JSON data. Include seller and customer addresses, shipping details, line items with quantities, custom colors, and notes.

Endpoint

POST /api/packingslip

Request Body

Field	Type	Required	Description
slipNumber	int	No	Packing slip number (auto-generated if omitted)
shipDate	string	No	Ship date (ISO 8601, defaults to today)
seller	object	No	Seller info (name, addressLines, email, phone)
customer	object	No	Customer info (same fields as seller)
shippingAddress	object	No	Shipping address (name, addressLines)
items	array	Yes	Line items (each: name, quantity)
trackingNumber	string	No	Shipment tracking number
carrier	string	No	Shipping carrier name (e.g. "FedEx", "UPS")
notes	string	No	Optional notes or handling instructions
logoUrl	string	No	URL of the logo image (PNG, JPG, SVG) rendered in the header
accentColor	string	No	Hex color for packing slip heading and label (default: #3B82F6)
textColor	string	No	Hex color for primary text (default: #1F2937)
mutedTextColor	string	No	Hex color for secondary/muted text (default: #6B7280)
separatorColor	string	No	Hex color for table row borders and address underlines (default: #E5E7EB)
notesBackgroundColor	string	No	Hex color for the notes box background (default: #F3F4F6)

Example

Generate a PDF packing slip:

curl -X POST https://simplewebapis.com/api/packingslip \
  -H "Content-Type: application/json" \
  -H "X-Api-Key: swa_your_key" \
  -d '{
    "slipNumber": 5001,
    "shipDate": "2025-01-15",
    "seller": { "name": "Acme Corp", "addressLines": ["123 Seller St", "San Francisco, CA 94105"], "email": "[email protected]" },
    "customer": { "name": "Globex Inc", "addressLines": ["456 Customer Ave", "New York, NY 10001"], "email": "[email protected]" },
    "shippingAddress": { "name": "Globex Inc", "addressLines": ["789 Dock Blvd", "New York, NY 10002"] },
    "items": [
      { "name": "Wireless Mouse", "quantity": 5 },
      { "name": "USB-C Cable", "quantity": 10 }
    ],
    "trackingNumber": "FX123456789",
    "carrier": "FedEx",
    "notes": "Fragile - handle with care",
    "logoUrl": "https://simplewebapis.com/favicon-32x32.png",
    "accentColor": "#2563EB",
    "separatorColor": "#E5E7EB",
    "notesBackgroundColor": "#F9FAFB"
  }' --output packing-slip.pdf

using var client = new HttpClient();
client.DefaultRequestHeaders.Add("X-Api-Key", "swa_your_key");

var payload = new
{
    slipNumber = 5001,
    shipDate = "2025-01-15",
    seller = new { name = "Acme Corp", addressLines = new[] { "123 Seller St", "San Francisco, CA 94105" }, email = "[email protected]" },
    customer = new { name = "Globex Inc", addressLines = new[] { "456 Customer Ave", "New York, NY 10001" }, email = "[email protected]" },
    shippingAddress = new { name = "Globex Inc", addressLines = new[] { "789 Dock Blvd", "New York, NY 10002" } },
    items = new[]
    {
        new { name = "Wireless Mouse", quantity = 5 },
        new { name = "USB-C Cable", quantity = 10 }
    },
    trackingNumber = "FX123456789",
    carrier = "FedEx",
    notes = "Fragile - handle with care",
    LogoUrl = "https://simplewebapis.com/favicon-32x32.png",
    accentColor = "#2563EB",
    separatorColor = "#E5E7EB",
    notesBackgroundColor = "#F9FAFB"
};

var json = JsonSerializer.Serialize(payload);
var content = new StringContent(json, Encoding.UTF8, "application/json");

var response = await client.PostAsync(
    "https://simplewebapis.com/api/packingslip", content);
var pdfBytes = await response.Content.ReadAsByteArrayAsync();
await File.WriteAllBytesAsync("packing-slip.pdf", pdfBytes);

$payload = json_encode([
    'slipNumber' => 5001,
    'shipDate' => '2025-01-15',
    'seller' => ['name' => 'Acme Corp', 'addressLines' => ['123 Seller St', 'San Francisco, CA 94105'], 'email' => '[email protected]'],
    'customer' => ['name' => 'Globex Inc', 'addressLines' => ['456 Customer Ave', 'New York, NY 10001'], 'email' => '[email protected]'],
    'shippingAddress' => ['name' => 'Globex Inc', 'addressLines' => ['789 Dock Blvd', 'New York, NY 10002']],
    'items' => [
        ['name' => 'Wireless Mouse', 'quantity' => 5],
        ['name' => 'USB-C Cable', 'quantity' => 10],
    ],
    'trackingNumber' => 'FX123456789',
    'carrier' => 'FedEx',
    'notes' => 'Fragile - handle with care',
    'logoUrl' => 'https://simplewebapis.com/favicon-32x32.png',
    'accentColor' => '#2563EB',
    'separatorColor' => '#E5E7EB',
    'notesBackgroundColor' => '#F9FAFB',
]);

$ch = curl_init('https://simplewebapis.com/api/packingslip');
curl_setopt_array($ch, [
    CURLOPT_POST => true,
    CURLOPT_HTTPHEADER => [
        'Content-Type: application/json',
        'X-Api-Key: swa_your_key',
    ],
    CURLOPT_POSTFIELDS => $payload,
    CURLOPT_RETURNTRANSFER => true,
]);

$pdf = curl_exec($ch);
curl_close($ch);
file_put_contents('packing-slip.pdf', $pdf);

const response = await fetch('https://simplewebapis.com/api/packingslip', {
    method: 'POST',
    headers: {
        'Content-Type': 'application/json',
        'X-Api-Key': 'swa_your_key',
    },
    body: JSON.stringify({
        slipNumber: 5001,
        shipDate: '2025-01-15',
        seller: { name: 'Acme Corp', addressLines: ['123 Seller St', 'San Francisco, CA 94105'], email: '[email protected]' },
        customer: { name: 'Globex Inc', addressLines: ['456 Customer Ave', 'New York, NY 10001'], email: '[email protected]' },
        shippingAddress: { name: 'Globex Inc', addressLines: ['789 Dock Blvd', 'New York, NY 10002'] },
        items: [
            { name: 'Wireless Mouse', quantity: 5 },
            { name: 'USB-C Cable', quantity: 10 },
        ],
        trackingNumber: 'FX123456789',
        carrier: 'FedEx',
        notes: 'Fragile - handle with care',
        logoUrl: 'https://simplewebapis.com/favicon-32x32.png',
        accentColor: '#2563EB',
        separatorColor: '#E5E7EB',
        notesBackgroundColor: '#F9FAFB',
    }),
});

const buffer = await response.arrayBuffer();
const fs = require('fs');
fs.writeFileSync('packing-slip.pdf', Buffer.from(buffer));

import requests

response = requests.post(
    'https://simplewebapis.com/api/packingslip',
    headers={
        'Content-Type': 'application/json',
        'X-Api-Key': 'swa_your_key',
    },
    json={
        'slipNumber': 5001,
        'shipDate': '2025-01-15',
        'seller': {'name': 'Acme Corp', 'addressLines': ['123 Seller St', 'San Francisco, CA 94105'], 'email': '[email protected]'},
        'customer': {'name': 'Globex Inc', 'addressLines': ['456 Customer Ave', 'New York, NY 10001'], 'email': '[email protected]'},
        'shippingAddress': {'name': 'Globex Inc', 'addressLines': ['789 Dock Blvd', 'New York, NY 10002']},
        'items': [
            {'name': 'Wireless Mouse', 'quantity': 5},
            {'name': 'USB-C Cable', 'quantity': 10},
        ],
        'trackingNumber': 'FX123456789',
        'carrier': 'FedEx',
        'notes': 'Fragile - handle with care',
        'logoUrl': 'https://simplewebapis.com/favicon-32x32.png',
        'accentColor': '#2563EB',
        'separatorColor': '#E5E7EB',
        'notesBackgroundColor': '#F9FAFB',
    },
)

with open('packing-slip.pdf', 'wb') as f:
    f.write(response.content)

payload := map[string]interface{}{
    "slipNumber": 5001,
    "shipDate":   "2025-01-15",
    "seller": map[string]interface{}{
        "name":  "Acme Corp",
        "addressLines": []string{"123 Seller St", "San Francisco, CA 94105"},
        "email":        "[email protected]",
    },
    "customer": map[string]interface{}{
        "name":  "Globex Inc",
        "addressLines": []string{"456 Customer Ave", "New York, NY 10001"},
        "email":        "[email protected]",
    },
    "shippingAddress": map[string]interface{}{
        "name":  "Globex Inc",
        "addressLines": []string{"789 Dock Blvd", "New York, NY 10002"},
    },
    "items": []map[string]interface{}{
        {"name": "Wireless Mouse", "quantity": 5},
        {"name": "USB-C Cable", "quantity": 10},
    },
    "trackingNumber":        "FX123456789",
    "carrier":               "FedEx",
    "notes":                 "Fragile - handle with care",
    "logoUrl":               "https://simplewebapis.com/favicon-32x32.png",
    "accentColor":           "#2563EB",
    "separatorColor":        "#E5E7EB",
    "notesBackgroundColor":  "#F9FAFB",
}

jsonData, _ := json.Marshal(payload)
req, _ := http.NewRequest("POST", "https://simplewebapis.com/api/packingslip",
    bytes.NewBuffer(jsonData))
req.Header.Set("Content-Type", "application/json")
req.Header.Set("X-Api-Key", "swa_your_key")

resp, _ := http.DefaultClient.Do(req)
defer resp.Body.Close()
body, _ := io.ReadAll(resp.Body)
os.WriteFile("packing-slip.pdf", body, 0644)

require 'net/http'
require 'json'
require 'uri'

payload = {
  slipNumber: 5001,
  shipDate: '2025-01-15',
  seller: { name: 'Acme Corp', addressLines: ['123 Seller St', 'San Francisco, CA 94105'], email: '[email protected]' },
  customer: { name: 'Globex Inc', addressLines: ['456 Customer Ave', 'New York, NY 10001'], email: '[email protected]' },
  shippingAddress: { name: 'Globex Inc', addressLines: ['789 Dock Blvd', 'New York, NY 10002'] },
  items: [
    { name: 'Wireless Mouse', quantity: 5 },
    { name: 'USB-C Cable', quantity: 10 },
  ],
  trackingNumber: 'FX123456789',
  carrier: 'FedEx',
  notes: 'Fragile - handle with care',
  logo_url: 'https://simplewebapis.com/favicon-32x32.png',
  accentColor: '#2563EB',
  separatorColor: '#E5E7EB',
  notesBackgroundColor: '#F9FAFB',
}

uri = URI('https://simplewebapis.com/api/packingslip')
req = Net::HTTP::Post.new(uri)
req['Content-Type'] = 'application/json'
req['X-Api-Key'] = 'swa_your_key'
req.body = payload.to_json

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) { |http| http.request(req) }
File.binwrite('packing-slip.pdf', response.body)

var payload = """
    {
        "slipNumber": 5001,
        "shipDate": "2025-01-15",
        "seller": { "name": "Acme Corp", "addressLines": ["123 Seller St", "San Francisco, CA 94105"], "email": "[email protected]" },
        "customer": { "name": "Globex Inc", "addressLines": ["456 Customer Ave", "New York, NY 10001"], "email": "[email protected]" },
        "shippingAddress": { "name": "Globex Inc", "addressLines": ["789 Dock Blvd", "New York, NY 10002"] },
        "items": [
            { "name": "Wireless Mouse", "quantity": 5 },
            { "name": "USB-C Cable", "quantity": 10 }
        ],
        "trackingNumber": "FX123456789",
        "carrier": "FedEx",
        "notes": "Fragile - handle with care",
        "logoUrl": "https://simplewebapis.com/favicon-32x32.png",
        "accentColor": "#2563EB",
        "separatorColor": "#E5E7EB",
        "notesBackgroundColor": "#F9FAFB"
    }
    """;

var request = HttpRequest.newBuilder()
    .uri(URI.create("https://simplewebapis.com/api/packingslip"))
    .header("Content-Type", "application/json")
    .header("X-Api-Key", "swa_your_key")
    .POST(HttpRequest.BodyPublishers.ofString(payload))
    .build();

var response = HttpClient.newHttpClient().send(request,
    HttpResponse.BodyHandlers.ofByteArray());
Files.write(Path.of("packing-slip.pdf"), response.body());

use serde_json::json;
use std::fs;

let client = reqwest::Client::new();
let payload = json!({
    "slipNumber": 5001,
    "shipDate": "2025-01-15",
    "seller": { "name": "Acme Corp", "addressLines": ["123 Seller St", "San Francisco, CA 94105"], "email": "[email protected]" },
    "customer": { "name": "Globex Inc", "addressLines": ["456 Customer Ave", "New York, NY 10001"], "email": "[email protected]" },
    "shippingAddress": { "name": "Globex Inc", "addressLines": ["789 Dock Blvd", "New York, NY 10002"] },
    "items": [
        { "name": "Wireless Mouse", "quantity": 5 },
        { "name": "USB-C Cable", "quantity": 10 }
    ],
    "trackingNumber": "FX123456789",
    "carrier": "FedEx",
    "notes": "Fragile - handle with care",
    "logoUrl": "https://simplewebapis.com/favicon-32x32.png",
    "accentColor": "#2563EB",
    "separatorColor": "#E5E7EB",
    "notesBackgroundColor": "#F9FAFB"
});

let resp = client.post("https://simplewebapis.com/api/packingslip")
    .header("Content-Type", "application/json")
    .header("X-Api-Key", "swa_your_key")
    .json(&payload)
    .send()
    .await?;

let bytes = resp.bytes().await?;
fs::write("packing-slip.pdf", &bytes)?;

The response is a PDF document (Content-Type: application/pdf).

Try it out

Use the Playground to test this API live.