curl --request POST \
  --url https://us.infisical.com/api/v1/workspace/{workspaceId}/memberships/details \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "username": "<string>"
}
'

{
  "membership": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "userId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "projectId": "<string>",
    "user": {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "email": "<string>",
      "firstName": "<string>",
      "lastName": "<string>",
      "publicKey": "<string>"
    },
    "roles": [
      {
        "id": "<string>",
        "role": "<string>",
        "isTemporary": true,
        "customRoleId": "<string>",
        "customRoleName": "<string>",
        "customRoleSlug": "<string>",
        "temporaryMode": "<string>",
        "temporaryRange": "<string>",
        "temporaryAccessStartTime": "2023-11-07T05:31:56Z",
        "temporaryAccessEndTime": "2023-11-07T05:31:56Z"
      }
    ]
  }
}