As of November 30th, 2022, HubSpot requires all integrations to be built using a Private App with OAuth Authentication.
To keep your integration working, you must follow these steps before November 30th, 2022:
Log in to your HubSpot Account
Navigate to your Settings:
Click on Integrations, then Private Apps:
Click "Create a private app":
Under Basic Info, name your app "Quoter" and optionally provide a logo and description.
Under Scopes, open CRM and enable these permissions:
Under Standard, enable these permissions:
Click Create App.
Copy the Access Token for your new Private App:
Now login to Quoter.
Navigate to Settings, then Integrations:
Click the pencil icon next to your HubSpot integration.
Select the "Connect via Private App" option, and paste your Access Token into the field:
Scroll to the bottom of the page and click Save Integration:
That's it! You're now using your new Hubspot Private App to integrate with Quoter.