Databento incident

Historical API timeouts

Major Resolved View vendor source →

Databento experienced a major incident on May 20, 2026 affecting Historical, lasting 6h 6m. The incident has been resolved; the full update timeline is below.

Started
May 20, 2026, 02:54 PM UTC
Resolved
May 20, 2026, 09:00 PM UTC
Duration
6h 6m
Detected by Pingoru
May 20, 2026, 02:54 PM UTC

Affected components

Historical

Update timeline

  1. identified May 20, 2026, 02:54 PM UTC

    We're investigating issues with our historical API, users may see timeouts or HTTP 504 errors while this issue is ongoing.

  2. identified May 20, 2026, 03:34 PM UTC

    XNAS.ITCH data after 2026-05-19 is temporarily unavailable while we remediate the issue

  3. identified May 20, 2026, 04:01 PM UTC

    The API timeouts have been mitigated, however XNAS.ITCH data for 2026-05-19 (Tuesday) and 2026-05-20 (today) is temporarily unavailable.

  4. monitoring May 20, 2026, 05:50 PM UTC

    XNAS.ITCH data is available again as usual, we're continuing to monitor our historical API for performance issues.

  5. monitoring May 20, 2026, 05:50 PM UTC

    XNAS.ITCH data is available again as usual, we're continuing to monitor our historical API for performance issues.

  6. resolved May 20, 2026, 09:00 PM UTC

    This incident has been resolved.