The following pages are tagged with contacts

Get Activity Summary How to retrieve activities summary
Get Activity Details How to retrieve activity details
Add Custom Field Data to a Contact Use the `custom_field` subresource to store custom content for each contact in a user's account.
How to Add Contacts to Lists How to add large numbers of contacts to lists using bulk activity endpoints
Contacts Overview Overview of V3 contacts functionality
Unsubscribe and Resubscribe Contacts How to programmatically unsubscribe & resubscribe unsubscribed contacts.
Contact Activity Reporting Overview Overview of V3 contact activity reporting
Contact Subresources The Contact resource now includes subresources for payload flexibility.
Autoresponder and Confirmed Opt-in Emails Describes what events can trigger Autoresponder Welcome and Confirm Opt-in Messages to new contacts.
Create a Contact Best practices to follow when adding new contacts in the V3 API.
Create or Update a Contact Using a Single Method Create a new contact or update an existing contact based on their email address
Delete a Contact How to delete contacts and restore deleted contacts.
Sync Contacts and Lists Best practices for syncing contacts and lists between Constant Contact and a local data store.
Custom Fields Overview Use the `custom_field` subresource to create and store information specific to each contact beyond the standard contact resource properties.
Delete a Custom Field Describes how to delete a custom field category, and what happens to contacts with that custom field.
Delete Contacts Bulk Activity How to delete large numbers of contacts using the /contact_delete activity endpoint
Manage my contacts? How do I manage my contacts?
Get Custom Fields Describes how to view an individual custom field, and the entire collection of custom fields in a user's account.
Import Contacts How to import and update large numbers of contacts using bulk activity endpoints
Contact Lists Overview Overview of list endpoints, how to create and manage contact lists, along with adding and removing contacts.
Data Migration Overview How to migrate your V2 integration to V3 with minimal user impact.
Get Open and Click Rates How to retrieve open and click rates
Remove Contacts from Lists Bulk Activity How to remove large numbers of contacts from lists using a bulk activity endpoint
Create Segments Create a new segment.
Segments Overview Segments feature overview.
Contacts V3 Changes and Migration This topic compares the V3 and V2 contact resource properties, calling out changes developers need to be aware of.
Create and Update Custom Fields Describes how to create a new custom field, and to update an existing custom field.