Facturación electrónica
SUNAT, desde tu código.

curl -X POST https://api.fiscal-web.pe/v1/documents \
  -H "Authorization: Bearer fwk_live_…" \
  -H "Idempotency-Key: ${UUID}" \
  -d '{
    "kind": "invoice",
    "series": "F001",
    "receiver": { "id_kind": "ruc", "id_value": "20512333797" },
    "items": [{ "description": "Servicio", "quantity": "1", "unit_price": "100.00" }]
  }'

import { FiscalWeb } from "fiscal-web";

const fw = new FiscalWeb({ apiKey: process.env.FISCAL_WEB_KEY });

const doc = await fw.documents.create({
  kind: "invoice",
  series: "F001",
  receiver: { idKind: "ruc", idValue: "20512333797" },
  items: [{ description: "Servicio", quantity: "1", unitPrice: "100.00" }],
});

console.log(doc.id, doc.state);

from fiscal_web import FiscalWeb

fw = FiscalWeb(api_key=os.environ["FISCAL_WEB_KEY"])

doc = fw.documents.create(
    kind="invoice",
    series="F001",
    receiver={"id_kind": "ruc", "id_value": "20512333797"},
    items=[{"description": "Servicio", "quantity": "1", "unit_price": "100.00"}],
)

print(doc.id, doc.state)

<?php
use FiscalWeb\Client;

$fw = new Client(getenv("FISCAL_WEB_KEY"));

$doc = $fw->documents->create([
    "kind" => "invoice",
    "series" => "F001",
    "receiver" => ["id_kind" => "ruc", "id_value" => "20512333797"],
    "items" => [["description" => "Servicio", "quantity" => "1", "unit_price" => "100.00"]],
]);

echo $doc->id . " " . $doc->state . PHP_EOL;