Changelog

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September of 2026

  • Mercado Pago Plugin v4.3: offline mode
  • Added

    • Modo offline: full integration code generation from the official documentation without connecting an account. Signing in remains required only for credentials, webhooks, and homologation. For more information, access the official documentation.

    Addition

    IA

    Mercado Pago Plugin

  • Chargebacks API in Checkout API and Checkout Pro
  • Added

    • Chargeback management endpoints: we added documentation for querying cases, submitting supporting documentation, retrieving files, and tracking their resolution. Read the Checkout API and Checkout Pro guides.

    Changed

    • "documentation_required" field: it is now marked as legacy. Regardless of its returned value, always submit supporting documentation and use "documentation_status" to verify whether the case can receive files.

    Update

    Checkout Pro

    Checkout API

    API Reference

    July of 2026

  • VTEX: New app for implementing Mercado Pago in your checkout
  • The Mercado Pago plugin is now implemented in VTEX stores by installing the Mercado Pago Payment App. The app is now also responsible for collecting the Device Fingerprint, a security feature that helps improve fraud risk analysis on each transaction.
    For more information, see Configure payment provider.

    Update

    VTEX

  • New possible request error in the Orders API for Checkout API
  • The Orders API for Checkout API now returns the 429 Too Many Requests error ("usage_quota_exceeded") to indicate that the per-client request limit has been reached. For more information about the error and how to resolve it, see the Possible errors documentation for Checkout API integration.

    Addition

    Checkout API

    API Reference