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FisKit para Python

Cliente oficial de la API de FisKit: facturas electrónicas de ARCA (ex AFIP) con un solo pedido. Sin dependencias, para Python 3.10 o superior.

pip install fiskit

Tu primera factura

from fiskit import Fiskit

fiskit = Fiskit()  # lee FISKIT_API_KEY

invoice = fiskit.invoices.create(
    {"voucher_type": "invoice_c", "amounts": {"total": 1500}},
    idempotency_key="venta-8812",  # el id de tu venta: un reintento nunca duplica la factura
)

print(invoice["number"], invoice["cae"])

Las claves sk_test_... emiten en la homologación de ARCA, sin validez fiscal. Las sk_live_... emiten facturas reales. Las dos se crean en el panel.

Qué podés hacer

fiskit.invoices.retrieve(invoice_id)                  # estado actual
pdf = fiskit.invoices.pdf(invoice_id)                 # bytes del PDF con el QR de ARCA
fiskit.invoices.email(invoice_id, "cliente@example.com")
fiskit.taxpayers.retrieve(30712345671)                # nombre, domicilio y condición frente al IVA

Si ARCA no responde o se corta la conexión, el cliente reintenta solo con la misma Idempotency-Key. Si no pasás una, se genera automáticamente.

Los errores llegan como FiskitError, con status, type, code, message, param y request_id.

Webhooks

from fiskit import verify_webhook

# Flask: usá el cuerpo crudo, antes de parsearlo
@app.post("/webhooks/fiskit")
def webhook():
    event = verify_webhook(request.get_data(), request.headers, os.environ["FISKIT_WEBHOOK_SECRET"])
    if event["type"] == "invoice.authorized":
        ...  # event["data"]["object"] es la factura
    return "", 200

Documentación completa: https://fiskit.com.ar/developers

Metadata

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