PolygonIO incident

Custom Bars API returning 504 errors on minute and hourly requests for today's date (2026-05-21) for select stock tickers

Major Ongoing View vendor source →

PolygonIO is currently experiencing a major incident affecting Market Data REST Endpoints, which began 23 min ago. The vendor's full update timeline is below.

Started
May 21, 2026, 03:53 PM UTC
Resolved
Ongoing
Duration
● 23m
Detected by Pingoru
May 21, 2026, 03:53 PM UTC

Affected components

Market Data REST Endpoints

Update timeline

  1. investigating May 21, 2026, 03:53 PM UTC

    We are currently investigating this issue.

  2. investigating May 21, 2026, 03:54 PM UTC

    We are continuing to investigate this issue.

  3. investigating May 21, 2026, 03:55 PM UTC

    We are continuing to investigate this issue.

  4. monitoring May 21, 2026, 04:03 PM UTC

    A fix has been implemented and we are monitoring the results.