Etiquetas ZPL pela API: ZPL para PDF e PDF para ZPL

# Arquivo .zpl (ou .txt/.prn) → PDF com uma página por etiqueta, 10×15 cm a 203 dpi
curl -X POST "https://convertaja.com.br/v1/tools/zpl-para-pdf?wait=true" \
  -H "Authorization: Bearer $CONVERTAJA_KEY" \
  -F "files=@etiquetas.zpl" \
  -F "width_mm=100" -F "height_mm=150" -F "dpmm=8"

# Ou o código direto no JSON (até 5 MB), com PNG em vez de PDF
curl -X POST "https://convertaja.com.br/v1/tools/zpl-para-pdf?wait=true" \
  -H "Authorization: Bearer $CONVERTAJA_KEY" \
  -H "Content-Type: application/json" \
  -d '{"options":{"zpl":"^XA^FO50,50^A0N,50,50^FDPedido 1234^FS^FO50,130^BCN,100,Y^FD7891234567895^FS^XZ","format":"png"}}'

import { readFile, writeFile } from 'node:fs/promises';

const auth = { Authorization: `Bearer ${process.env.CONVERTAJA_KEY}` };
const zpl = await readFile('etiquetas.zpl', 'utf8'); // ZPL gerado pelo marketplace, transportadora ou ERP

const res = await fetch('https://convertaja.com.br/v1/tools/zpl-para-pdf?wait=true', {
  method: 'POST',
  headers: { ...auth, 'Content-Type': 'application/json' },
  body: JSON.stringify({ options: { zpl, width_mm: 100, height_mm: 150, dpmm: '8', format: 'pdf' } }),
});
const tarefa = await res.json();
if (!res.ok) throw new Error(`${tarefa.error.code}: ${tarefa.error.message}`);
if (tarefa.status !== 'done') throw new Error(tarefa.error ? tarefa.error.message : `tarefa ${tarefa.id} ainda em andamento`);
console.log(tarefa.info); // ex.: 2 etiquetas · 10 × 15 cm · 203 dpi

const pdf = await fetch(tarefa.download_url, { headers: auth });
await writeFile('etiquetas.pdf', Buffer.from(await pdf.arrayBuffer()));

import os

import requests

auth = {"Authorization": f"Bearer {os.environ['CONVERTAJA_KEY']}"}
with open("etiquetas.zpl", "rb") as f:
    res = requests.post(
        "https://convertaja.com.br/v1/tools/zpl-para-pdf",
        params={"wait": "true"},
        headers=auth,
        files={"files": f},
        data={"width_mm": "100", "height_mm": "150", "dpmm": "8", "format": "pdf"},
        timeout=90,
    )
tarefa = res.json()
if not res.ok:
    raise SystemExit(f"{tarefa['error']['code']}: {tarefa['error']['message']}")
if tarefa["status"] != "done":
    raise SystemExit(tarefa.get("error", {}).get("message", "ainda em andamento"))
print(tarefa["info"])
open("etiquetas.pdf", "wb").write(requests.get(tarefa["download_url"], headers=auth, timeout=60).content)

# Etiqueta em PDF (ou PNG/JPG) → ZPL com o desenho em ^GFA, pronto para a Zebra
curl -X POST "https://convertaja.com.br/v1/tools/pdf-para-zpl?wait=true" \
  -H "Authorization: Bearer $CONVERTAJA_KEY" \
  -F "files=@etiqueta-correios.pdf" \
  -F "size=100x150" -F "dpmm=8" -F "pages=1-2"
# A resposta traz o ZPL em "text" (até 256 KB) e o arquivo .zpl em outputs/download_url

import { openAsBlob } from 'node:fs';
import { writeFile } from 'node:fs/promises';

const form = new FormData();
form.append('files', await openAsBlob('etiqueta-correios.pdf'), 'etiqueta-correios.pdf');
form.append('options', JSON.stringify({ size: '100x150', dpmm: '8', threshold: 128, encoding: 'ascii' }));

const res = await fetch('https://convertaja.com.br/v1/tools/pdf-para-zpl?wait=true', {
  method: 'POST',
  headers: { Authorization: `Bearer ${process.env.CONVERTAJA_KEY}` },
  body: form,
});
const tarefa = await res.json();
if (!res.ok) throw new Error(`${tarefa.error.code}: ${tarefa.error.message}`);
if (tarefa.status !== 'done') throw new Error(tarefa.error ? tarefa.error.message : 'ainda em andamento');
console.log(tarefa.info); // ex.: 1 etiqueta em ZPL (^GFA ASCII) · 203 dpi · 100 × 150 mm
await writeFile('etiqueta.zpl', tarefa.text);

import os
import socket

import requests

with open("etiqueta-correios.pdf", "rb") as f:
    res = requests.post(
        "https://convertaja.com.br/v1/tools/pdf-para-zpl",
        params={"wait": "true"},
        headers={"Authorization": f"Bearer {os.environ['CONVERTAJA_KEY']}"},
        files={"files": f},
        data={"size": "100x150", "dpmm": "8", "dither": "false"},
        timeout=90,
    )
tarefa = res.json()
if not res.ok or tarefa["status"] != "done":
    raise SystemExit(tarefa.get("error", {}).get("message", "falhou"))
zpl = tarefa["text"]
open("etiqueta.zpl", "w").write(zpl)

# Opcional: manda direto para a Zebra na rede (porta RAW 9100)
IMPRESSORA = os.environ.get("ZEBRA_IP")
if IMPRESSORA:
    with socket.create_connection((IMPRESSORA, 9100), timeout=10) as s:
        s.sendall(zpl.encode("ascii"))