Data Overview
Coupler.io pulls five types of data from Campayn, covering your audience structure, campaign content, and engagement performance. Here's a breakdown of what each entity contains and how to use it.
Available entities
Lists
Auditing list sizes, growth, and segmentation structure
Forms
Tracking which sign-up forms are active and collecting subscribers
Contacts
Building a full contact database with subscription status and details
Emails
Reviewing all campaigns sent, including subject lines and send dates
Reports
Analyzing opens, clicks, bounces, and unsubscribes per campaign
Lists
Key fields
List ID
Unique identifier for the list
List name
The display name of the subscriber list
Subscriber count
Number of active subscribers in the list
Created date
When the list was created
Status
Whether the list is active or archived
Forms
Key fields
Form ID
Unique identifier for the form
Form name
Display name of the sign-up form
Associated list
The list subscribers are added to on submission
Status
Whether the form is active or inactive
Created date
When the form was created
Contacts
Key fields
Contact ID
Unique identifier for the contact
Email address
The subscriber's email address
First name / Last name
Subscriber name fields
Subscription status
Active, unsubscribed, or bounced
List memberships
Which lists the contact belongs to
Created date
When the contact was added
Emails
Key fields
Email ID
Unique identifier for the campaign
Subject line
The subject of the sent email
From name / From email
Sender details
Send date
When the campaign was sent
Status
Draft, scheduled, or sent
Reports
Key fields
Campaign ID
Links report data back to a specific email
Recipients
Total number of contacts the email was sent to
Opens
Number of times the email was opened
Unique opens
Distinct subscribers who opened the email
Clicks
Total link clicks within the email
Unique clicks
Distinct subscribers who clicked a link
Bounces
Emails that failed to deliver
Unsubscribes
Contacts who opted out after this campaign
Open rate
Percentage of recipients who opened
Click rate
Percentage of recipients who clicked
Common metric combinations
Reports + Emails (Join on campaign ID) — Attach subject lines and send dates to your performance metrics for readable reporting
Contacts + Lists (Join on list membership) — See which lists each contact belongs to alongside their personal details
Reports across multiple campaigns (Append) — Stack data from several campaigns to compare performance over time
Contacts aggregated by status (Aggregate) — Count active, unsubscribed, and bounced contacts to monitor list health
Use cases by role
Monitor open rates and click rates per campaign to identify what content resonates
Track unsubscribe spikes after specific sends to catch messaging issues early
Join Reports with Emails to create a campaign performance log with subject lines and send dates in one table
Audit all active subscriber lists and form connections to keep list hygiene in check
Aggregate contact subscription statuses to measure overall list health across segments
Schedule automated data flows into BigQuery or Google Sheets for recurring stakeholder reports
Track which sign-up forms are driving the most new contacts by joining Forms and Contacts data
Monitor subscriber list growth over time by pulling Lists data on a regular schedule
Feed Reports data into ChatGPT or Claude to get AI-generated summaries of campaign performance trends
Platform-specific notes
Campayn's API uses an API key for authentication — there is no OAuth flow. Keep your API key secure and rotate it if it's ever exposed.
Report data is campaign-level, not individual recipient-level, so you won't see per-contact open or click records in the Reports entity.
Contact data includes list memberships, which you can use to filter or segment in your destination after import.
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