Fivetran's Twitter Ads and Twitter Organic connections experienced sync failures for 6.9 hours due to HTTP 503 (Service Unavailable) errors from Twitter's API endpoints. The issue was caused by Twitter's '/stats/jobs/accounts/' endpoint returning service unavailable errors, preventing data synchronization. Fivetran resolved the incident by deploying a hotfix that handles 503 errors and implements retry logic for failed endpoints.
This incident has been resolved. We have observed that instance rates are returning to normal levels and affected connectors are syncing successfully.
Incident Summary
Description:
We identified an issue for Reddit Ads which resulted in syncs failing with a "HTTP 503 (Service Unavailable)" error.
Timeline:
This issue began on 2026-03-07 at 15:00 UTC and was resolved at 23:00 UTC.
Cause:
The Reddit Ads API '/stats/jobs/accounts/' endpoint started returning HTTP 503 (Service Unavailable) errors.
Resolution:
A hotfix was deployed to handle 503 errors, as well as retry failed endpoints.
The hotfix to handle 503 errors and attempt retries on failed endpoints has been deployed. We have confirmed a significant drop in sync failures as a result and will continue monitoring for any further failures.
A hotfix will be deployed to handle 503 errors from the Twitter API and to skip failing endpoints after several retries.
We are still waiting for an update from X regarding the issue:
https://devcommunity.x.com/t/503-error-while-requesting-12-stats-jobs-accounts-accountid/262061
We’ve logged an issue with the Twitter support team and will share updates shortly.
Link: https://devcommunity.x.com/t/503-error-while-requesting-12-stats-jobs-accounts-accountid/262061
We have identified that the '/stats/jobs/accounts/' endpoint is returning HTTP 503 (Service Unavailable), impacting syncs.
The issue has been identified and we are working to resolve it.
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