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CU
customer
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Schema
Generate
Filter operations
Activities
1
Assets
10
Automations
13
Broadcasts
15
Collections
7
get
/v1/collections
List your collections
post
/v1/collections
Create a collection
get
/v1/collections/{collection_id}
Lookup a collection
put
/v1/collections/{collection_id}
Update a collection
delete
/v1/collections/{collection_id}
Delete a collection
get
/v1/collections/{collection_id}/content
Lookup collection contents
put
/v1/collections/{collection_id}/content
Update the contents of a collection
Components
5
Customers
9
Data Index
2
Email link and publish
4
Email testing
10
Emails
15
ESP Suppression
5
Exports
5
Folders
5
Forms
1
Imports
2
Info
1
Live Notifications
4
Messages
3
Newsletter Metrics
5
Newsletter Variants
13
Newsletters
4
Objects
4
Opt-outs
3
Reporting Webhooks
5
Segments
7
Send Messages
10
Sender Identities
3
SMS
5
SMS link and publish
2
Snippets
4
Subscription Center
3
Track Customers
8
Track Events
4
Track Segments
2
track_v2
2
trackRegion
1
Transactional
10
WhatsApp
5
WhatsApp approval
2
WhatsApp link and publish
2
Workspaces
1
Webhooks
post
reportingWebhook
Reporting webhook format
Collections
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Changes to Create a collection
post
/v1/collections
Sep 2, 2026
5da2740beeb5
Revision changes
info
added the media type
application/json
for the response with the status
429