POST api/memberships?multiple={multiple}

Creates a collection of contact group membership with the given information. This is an all or nothing enpoint meaning if one membership is invalid none will be added.

Request Information

URI Parameters

Name	Description	Type	Additional information
multiple	Any value is valid eg. 1, true, yes, etc.	string	Required

Body Parameters

Membership data of new membership

Collection of MembershipNewDTO

Name	Description	Type	Additional information
Group	ID of parent group	integer	Required
Contact	ID of parent contact	integer	Required

Request Formats

application/json, text/json

Sample:

[
  {
    "Group": 1,
    "Contact": 2
  },
  {
    "Group": 1,
    "Contact": 2
  }
]

Response Information

Resource Description

Summary of new membership

Collection of MembershipDTO

Name	Description	Type	Additional information
ID	Membership ID	integer	None.
OwnerID	ID of account owning the contact group membership	string	None.
Created	Timestamp for membership creation	date	None.
Group	ID of parent group	integer	Required
Contact	ID of parent contact	integer	Required

Response Formats

application/json, text/json

Sample:

[
  {
    "ID": 1,
    "OwnerID": "sample string 2",
    "Created": "2025-12-16T03:28:19.474371+00:00",
    "Group": 3,
    "Contact": 4
  },
  {
    "ID": 1,
    "OwnerID": "sample string 2",
    "Created": "2025-12-16T03:28:19.474371+00:00",
    "Group": 3,
    "Contact": 4
  }
]