Mercado Pago Notifications

Products Covered

• Webhooks (v2): JSON-based, HMAC-signed. Recommended for all new integrations.
• IPN (Legacy): Query-param based, no signature. Still supported but deprecated for new projects.

When to Use This Skill

Use when: notification_url, x-signature, webhook, IPN, HMAC, retry, notification types. Do NOT use for: payment creation (-> mp-checkout-online), QR notifications (-> mp-instore).