The following pages are tagged with subresources

TitleSummary
Contacts Overview Overview of V3 contacts functionality
Contact Resource Understanding contact resource and subresources for payload flexibility.
Get Started Working with Contacts Before You Begin Before diving into contact management, ensure you have the following: A Constant Contact V3 API developer account and a registered application in the Developer Portal. OAuth2 authentication is configured for your integration. Ensure your application is authorized to access the necessary scopes (contacts:write, contacts:read, etc.)....
Introduction to the V3 API Describes V3 API technical specs including payload and data formats, headers, and more.