Elevated denial rates in Mercado Pago payment connectors

Incident Report for VTEX

Resolved

This incident has been resolved.

Mercado Pago connectors presented elevated error rates between 20:12 and 00:05 UTC, but since then authorization rates are within their historical trend.

Posted Aug 24, 2023 - 00:28 UTC

Monitoring

We can confirm an improvement in the elevated error rates in our platform. We are monitoring the result of the actions performed by the Mercado Pago team.

Posted Aug 24, 2023 - 00:18 UTC

Identified

The Mercado Pago team seems to have identified the issue. We observe an improvement in authorization rates starting at 23:04 UTC.

Posted Aug 23, 2023 - 23:12 UTC

Update

We have received reports of similar errors in all Mercado Pago connectors (MercadoPagoV1, MercadoPagoV2), although our logs indicate impact in MercadoPagoV2 is intermittent

Posted Aug 23, 2023 - 22:12 UTC

Update

We are in contact with Mercado Pago to solve this issue with their connector. Transactions affected by this incident are identifiable by the following transaction log:

Response from MercadoPagoV1: <html> 
<head><title>403 Forbidden</title></head> 
<body> <center>
<h1>403 Forbidden</h1>
</center> </body> </html>

This indicates that requests made by VTEX are not being authorized by Mercado Pago. According to our logs, this behavior started at 20:12 UTC.

Posted Aug 23, 2023 - 21:48 UTC

Investigating

We are investigating an increase in transactions with authorization errors in the MercadoPagoV1 payment connector

Posted Aug 23, 2023 - 21:37 UTC

This incident affected: Internal Modules.