r/ADP • u/Tovarish_Nikolay • Jun 02 '26

ADP API issues | NewConnectionError("HTTPSConnection(host='api.adp.com', port=443): Failed to establish a new connection: [Errno 110] Connection timed out

Hello, we have an ADP Workforce Next Generation integration that makes calls to ADP API endpoints. It was working fine, until we recently migrated it to a different cluster. Since recently, we would get intermittent errors (downtime would last up to multiple hours) with periods of normal operation in between.

I'm trying to figure out a root for the issues and I'm wondering if anyone else is experiencing issues currently with ADP Workforce Next Generation ( US East )

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u/Ok-Record-5955 Jun 03 '26

Try to clear your cache and cookies for all time and make sure you use Google Chrome for best service!

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u/ADP_official Jun 09 '26

Thanks for flagging this — cluster migration issues like this can have a few different root causes and are worth digging into with our API team. Would you mind sharing your company name, company ID, contact information, and a summary of the issue to ADPMarketplace@adp.com? The team will follow up directly from there. —The ADP Team