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PUT
/
crm
/
v3
/
lists
/
{listId}
/
memberships
/
add
cURL
curl --request PUT \
  --url https://api.hubapi.com/crm/v3/lists/{listId}/memberships/add \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '[
  "<string>"
]'
{
  "recordIdsMissing": [
    "<string>"
  ],
  "recordIdsRemoved": [
    "<string>"
  ],
  "recordsIdsAdded": [
    "<string>"
  ]
}

Documentation Index

Fetch the complete documentation index at: https://developers.hubspot.com/docs/llms.txt

Use this file to discover all available pages before exploring further.

Supported products

Authorizations

​
Authorization
string
header
required

The access token received from the authorization server in the OAuth 2.0 flow.

Path Parameters

​
listId
string
required

Body

application/json

Response

successful operation

The IDs of the records that were added, removed, and/or found to be missing as a result of the membership update request.

​
recordIdsMissing
string[]
required

The IDs of the records that were missing (e.g. did not exist in the portal) and so were not added or removed.

​
recordIdsRemoved
string[]
required

The IDs of the records that were removed from the list.

​
recordsIdsAdded
string[]
required
Last modified on May 15, 2026