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Introduction

To issue invoices in Argentina through ARCA, each supplier must generate a digital certificate from the ARCA website and upload it to Invopop. This guide walks you through the complete registration process.

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Setup

1

Connect the Argentina app

Argentina App
  1. Go to Configuration → Apps in the Console.
  2. Find Argentina in the app list.
  3. Click Connect to activate the app.
2

Create a supplier registration workflow

Create a new workflow for registering suppliers. Start with the template below:

ARCA supplier registration workflow

This workflow will issue a registration request for a supplier to complete.

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Register a supplier

The registration process is the same whether you’re issuing invoices on behalf of third parties (white label) or under your own company name.
1

Create a supplier entry

Via API
Use the Create an entry endpoint to create a new supplier party. The required fields are:
  • name - company name
  • tax_id - tax identification number
Set the folder parameter to suppliers so the entry appears in the suppliers section. The entry will have an Empty status initially.Via Console
Navigate to Parties > Suppliers and click on + New supplier. The following json code will appear in the editor:
{
  "$schema": "https://gobl.org/draft-0/org/party",
  "name": "", // Name of the company or individual
  "tax_id": {
      "code": "", // 11 digit CUIT
      "country": "" // "AR"
  }
}
Fill in the necessary information and click on Build and then Save.
2

Run the registration workflow

Via API
Use the Create a job endpoint with the following payload:
// POST https://api.invopop.com/transform/v1/jobs
{
  "workflow_id": "<uuid>",
  "silo_entry_id": "<uuid>"
}
You can obtain the workflow_id from the workflows list, and the silo_entry_id from the Meta tab in the supplier entry.Via Console
Open the supplier entry, click Run workflow, and select Register in ARCA.The supplier’s status will change to Processing while awaiting registration completion.
3

Access the registration wizard

Your own company
In the Console, open the supplier entry and navigate to the Meta tab. Click on gov-ar.invopop.com to launch the registration wizard.
Supplier entry meta
Third-party companies
To send the registration link to your customer, add a webhook step before Wait for ARCA Authorization.The webhook payload includes the siloEntryId. Use the Fetch an Entry endpoint to retrieve the full entry, including the meta object containing the registration link.
Example webhook response
data: {
  "meta": [
    {
      "id": "...",
      "created_at": "2025-11-05T15:10:28.132Z",
      "updated_at": "2025-11-14T15:56:53.727Z",
      "owner_id": "...",
      "entry_id": "...",
      "src": "gov-ar",
      "key": "link",
      "ref": "EgDeG3pDBDe",
      "link_url": "https://gov-ar.invopop.com/reg/EgDeG3pDBDe",
      "link_scope": "public",
      "indexed": true,
      "shared": true
    }
  ]
}
Send the link_url to your customer to complete their registration.

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Complete the registration wizard

The wizard will guide the user to create a certificate in ARCA’s portal and upload it to Invopop. The steps differ between sandbox and production. For your convenience, we provide guides in Spanish which you can share with your customers or adapt to your own needs: Once you’ve successfully uploaded and validated the certificate, the supplier is ready to issue invoices.

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Point of sales (Punto de venta)

In Invopop, the point of sale is specified in the series field of the invoice. Once the registration process is complete, in sandbox you can use any point of sale number, while production requires registering each point of sale in ARCA before using it. The registration process varies depending on your tax classification:
  • Monotributista: A simplified tax regime for small businesses and freelancers in Argentina
  • Registered taxpayer (Responsable Inscripto): Standard tax regime for companies registered for VAT
Follow these steps to register a point of sale in production:
1

Navigate to point of sale administration

In ARCA, go to Administración de puntos de venta y domicilios (Point of Sale and Address Administration).
Administracion de puntos de venta y domicilios
2

Register a new point of sale

Select A/B/M de puntos de venta, then click Agregar nuevo punto de venta (Add new point of sale). Choose the appropriate option for your tax classification:For monotributista: Select “Factura electronica - Monotributo - Web Service”
Monotributista point of sale
For registered taxpayers: Select “RECE para aplicativo y Web Service”
Registered taxpayer point of sale

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