• Omnis General Forum

  Quickbooks API using OAuth

  Posted by Paul Mulroney Mulroney on April 16, 2026 at 11:28 pm

  Hi $All

  We’re integrating our systems with Quickbooks using their API. We did this previously with Xero, and it was a straightforward process. However, QB is being difficult.

  They use OAuth to verify who you are. When you login and authorise, the callback URL that QB sends includes a “RealmID” – this is the business ID that you’re linking to. This is a change outside the RFC of OAuth, so Omnis doesn’t have a built-in way of handling it.

  Has anyone integrated Omnis with Quickbooks? How did you handle the authorisation using OAuth?

  Regards

  Paul.

  Paul Mulroney Mulroney replied 15 hours, 23 minutes ago 1 Member · 0 Replies
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