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Companies · API V1

ARCA registry

Check tax data and activities for one or more CUIT or CUIL numbers.

Request access Try example

Controlled, account-enabled access

WHAT IT SOLVES

Bring ARCA registry into your workflow

Check tax data and activities for one or more CUIT or CUIL numbers. This public page presents the use case and a safe preview; operational configuration is managed inside the portal.

  • Bring company data into onboarding and compliance.
  • Keep a consistent experience inside your product.

REQUEST DATA

What the ARCA registry API uses

The public page for this version uses CUIT and CUIT/CUIL list.

cuitCUIT
Text valueOptional
cuit_listCUIT/CUIL list
List of valuesOptional

API V1Up to 250 items per requestJSON

INTEGRATION FLOW

From a request to structured output

  1. 01Define the request

    Start with your use case and the minimum required data.

  2. 02Enable access

    We configure scope, credentials, and capacity for your account.

  3. 03Integrate the result

    Consume JSON inside your product or operating workflow.

LOCAL SANDBOX

Try the request format

No data sent

Edit the example and generate a JSON preview in your browser. Live requests require an enabled account.

Demo result

{
  "demo": true,
  "executed": false,
  "request": {
    "api": "business.tax.registry",
    "mode": "preview",
    "input": {
      "cuit": "30000000007"
    }
  },
  "response_example": null,
  "notice": "Local preview: no live request was executed and no data was sent."
}

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FREQUENTLY ASKED QUESTIONS

Questions about ARCA registry

What can the ARCA registry API be used for?

Check tax data and activities for one or more CUIT or CUIL numbers.

What input does the ARCA registry API accept?

The public v1 contract accepts cuit and cuit list. This page identifies which fields are required or optional.

How many items can one request include?

Up to 250 items per request.

Can I try the ARCA registry API on this page?

Yes. The sandbox creates a local preview with synthetic data; it does not run a live request or send information.

How is access enabled?

Access is controlled and enabled per account. Requests and operational configuration are managed through the API.ar portal.

NEXT STEP

Take ARCA registry to production

Open the portal to request access and continue with a secure integration.

Open the portal