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@lapyme/arca

v0.4.0

Published

a month ago

Node.js client for ARCA services including WSFE, WSMTXCA, and padron lookups.

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arca afip argentina wsaa wsfe wsmtxca padron facturacion-electronica

@lapyme/arca

Serious Node.js SDK for ARCA / AFIP web services, with strong WSFE and Padrón coverage and preserved WSMTXCA support.

Install

pnpm add @lapyme/arca

npm install @lapyme/arca

Documentation

For the full quick start, troubleshooting, and examples, see the repository docs:

The package exports:

@lapyme/arca
@lapyme/arca/constants
@lapyme/arca/wsfe
@lapyme/arca/wsmtxca
@lapyme/arca/padron
@lapyme/arca/errors
@lapyme/arca/types

WSFE associated periods

client.wsfe.createNextVoucher({ data }) supports associatedPeriod for credit/debit notes that use PeriodoAsoc instead of CbtesAsoc:

await client.wsfe.createNextVoucher({
  data: {
    // other voucher fields...
    associatedPeriod: {
      startDate: "2026-05-01",
      endDate: "2026-05-31",
    },
  },
});