Developer API & SDK Reference

// Requires a library revision with EncodeOptions support.
use xbarcode::{
    encode_with_config_and_options, render_svg_configured,
    BarcodeConfig, EncodeOptions, RenderConfig,
};

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let config = BarcodeConfig::usps_impb();
    let options = EncodeOptions::new().with_auto_complete_check_digit(true);
    let matrix = encode_with_config_and_options(
        &config, "941449035893560384003", &options
    )?;
    let svg = render_svg_configured(
        &matrix, &RenderConfig::default_svg(), "uspsimpb"
    );
    std::fs::write("barcode.svg", svg)?;
    Ok(())
}

// Node.js 18+ / Browser Fetch
const res = await fetch('https://api.xbarcode.ai/v1/render', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
    'Authorization': 'Bearer YOUR_API_TOKEN'
  },
  body: JSON.stringify({
    format: 'code_128',
    content: 'SHIP-9400-1092-8371-029',
    width: 300,
    height: 100
  })
});

const svgText = await res.text();
console.log('Generated SVG size:', svgText.length);

import requests

url = "https://api.xbarcode.ai/v1/render"
headers = {
    "Content-Type": "application/json",
    "Authorization": "Bearer YOUR_API_TOKEN"
}
payload = {
    "format": "code_128",
    "content": "SHIP-9400-1092-8371-029",
    "width": 300,
    "height": 100
}

response = requests.post(url, json=payload, headers=headers)
with open("barcode.svg", "w", encoding="utf-8") as f:
    f.write(response.text)

package main

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

func main() {
    payload := []byte(`{
        "format": "code_128",
        "content": "SHIP-9400-1092-8371-029",
        "width": 300,
        "height": 100
    }`)

    req, _ := http.NewRequest("POST", "https://api.xbarcode.ai/v1/render", bytes.NewBuffer(payload))
    req.Header.Set("Content-Type", "application/json")
    req.Header.Set("Authorization", "Bearer YOUR_API_TOKEN")

    resp, err := http.DefaultClient.Do(req)
    if err != nil { panic(err) }
    defer resp.Body.Close()

    out, _ := os.Create("barcode.svg")
    defer out.Close()
    io.Copy(out, resp.Body)
}