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REST API: Get Guest Attendees | Axero Documentation

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REST API: Get Guest Attendees

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Open API Guide
GET/api/events/guestattendees

Enables administrators and developers to programmatically retrieve a list of external users for an event. The response is the bare list of guest users, not the response envelope.

Request

Request Header

HeaderRequiredValueDescription
AuthorizationYESBearer YOUR_TOKENBearer token for the authenticated user. Learn how to create Bearer tokens.

Required Parameters

ParameterTypeRequiredLocationDescription
EventIDIntegerYESQueryUnique ID of the event
AttendanceIntegerYESQueryAttendance type to return: 1 = Attending, 2 = Maybe attending, 3 = Not attending, 4 = All, 5 = Awaiting response. Refer to REST API: Event Attendance Types. Required for the route to match: without it the request falls to Get Event and answers 200 with IsError true (Not a valid eventID.).
InstanceStringNOQueryOccurrence date (ISO 8601) of a recurring event. A value that is not a date answers 500.

Example

Request Header

Authorization: Bearer YOUR_TOKEN

Request URL

https://your-site.com/api/events/guestattendees?EventID=153&Attendance=1

Success Response

[
  {
    "UserInfoDisplayName": "sally ",
    "AvatarImageURL": "https://your-site.com/assets/Themes/default/images/avatar-default.jpg",
    "UserID": 1057,
    "BlogID": 0,
    "DateJoined": "0001-01-01T00:00:00",
    "Email": "sally@acme.com",
    "EmailRecieve": 3,
    "SpaceDigestOption": 0,
    "InvitationID": 1,
    "IsActivated": false,
    "IsAnonymous": false,
    "IsUserLocked": false,
    "IsBanned": false,
    "IsConfirmed": false,
    "IsContactInfoVisible": false,
    "IsFeatured": false,
    "IsIsolated": false,
    "IsProfileCompleted": false,
    "IsOptInPromotionalEmails": false,
    "IsPasswordEncrypted": false,
    "MediaServerID": 0,
    "MembershipStatus": 0,
    "NumBlogPosts": 0,
    "NumPosts": 0,
    "PMNotification": false,
    "Points": 0,
    "RankID": 0,
    "RoleID": 0,
    "ShowEmail": false,
    "CRMUserContactID": 1057,
    "HasJoinedViaThirdPartyLogin": false,
    "IsWindowsADUser": false,
    "LastChatActivityDate": "0001-01-01T00:00:00",
    "UserPresenceStatus": 0,
    "IsPasswordHashed": false,
    "InOrgChart": false,
    "AttendanceType": 1,
    "IsOrganizer": false,
    "ConnectionStatus": 0,
    "CanChat": false
  },
  {
    "UserInfoDisplayName": "janice ",
    "AvatarImageURL": "https://your-site.com/assets/Themes/default/images/avatar-default.jpg",
    "UserID": 1057,
    "BlogID": 0,
    "DateJoined": "0001-01-01T00:00:00",
    "Email": "janice@acme.com",
    "EmailRecieve": 3,
    "SpaceDigestOption": 0,
    "InvitationID": 4,
    "IsActivated": false,
    "IsAnonymous": false,
    "IsUserLocked": false,
    "IsBanned": false,
    "IsConfirmed": false,
    "IsContactInfoVisible": false,
    "IsFeatured": false,
    "IsIsolated": false,
    "IsProfileCompleted": false,
    "IsOptInPromotionalEmails": false,
    "IsPasswordEncrypted": false,
    "MediaServerID": 0,
    "MembershipStatus": 0,
    "NumBlogPosts": 0,
    "NumPosts": 0,
    "PMNotification": false,
    "Points": 0,
    "RankID": 0,
    "RoleID": 0,
    "ShowEmail": false,
    "CRMUserContactID": 1057,
    "HasJoinedViaThirdPartyLogin": false,
    "IsWindowsADUser": false,
    "LastChatActivityDate": "0001-01-01T00:00:00",
    "UserPresenceStatus": 0,
    "IsPasswordHashed": false,
    "InOrgChart": false,
    "AttendanceType": 1,
    "IsOrganizer": false,
    "ConnectionStatus": 0,
    "CanChat": false
  },
  {
    "UserInfoDisplayName": "bill ",
    "AvatarImageURL": "https://your-site.com/assets/Themes/default/images/avatar-default.jpg",
    "UserID": 1057,
    "BlogID": 0,
    "DateJoined": "0001-01-01T00:00:00",
    "Email": "bill@acme.com",
    "EmailRecieve": 3,
    "SpaceDigestOption": 0,
    "InvitationID": 6,
    "IsActivated": false,
    "IsAnonymous": false,
    "IsUserLocked": false,
    "IsBanned": false,
    "IsConfirmed": false,
    "IsContactInfoVisible": false,
    "IsFeatured": false,
    "IsIsolated": false,
    "IsProfileCompleted": false,
    "IsOptInPromotionalEmails": false,
    "IsPasswordEncrypted": false,
    "MediaServerID": 0,
    "MembershipStatus": 0,
    "NumBlogPosts": 0,
    "NumPosts": 0,
    "PMNotification": false,
    "Points": 0,
    "RankID": 0,
    "RoleID": 0,
    "ShowEmail": false,
    "CRMUserContactID": 1057,
    "HasJoinedViaThirdPartyLogin": false,
    "IsWindowsADUser": false,
    "LastChatActivityDate": "0001-01-01T00:00:00",
    "UserPresenceStatus": 0,
    "IsPasswordHashed": false,
    "InOrgChart": false,
    "AttendanceType": 5,
    "IsOrganizer": false,
    "ConnectionStatus": 0,
    "CanChat": false
  }
]

Error Response

{
  "Message": "The request is invalid."
}

Error Handling

Status CodeLikely CauseNext Action
400 Bad RequestOne or more required fields are missing or invalid. (eventID, attendance)Verify the request payload against the required parameters.
401 UnauthorizedMissing or invalid Bearer token.Check token validity. Learn how to create Bearer tokens →
403 ForbiddenUser does not have sufficient permissions.Confirm the user has the required roles for this action.
500 Server ErrorInternal failure.Retry later.
200 with IsErrorAttendance was left out, so the request matched Get Event instead (Not a valid eventID.).Send Attendance.

Rate Limits

While Axero does not enforce hard rate limits by default, we recommend the following best practices to ensure optimal performance:

  • Sustained Request Rate: Do not exceed 5 API calls per second
  • Sequential Processing: Wait for each request to complete before sending the next in automated workflows
  • Concurrent Connections: If parallel processing is required, limit to 3 or fewer simultaneous requests
  • Response Timeout: Ensure API responses complete within 15 seconds during testing

Axero may implement temporary rate restrictions if excessive API usage affects overall site performance. For high-volume integrations, contact Axero to discuss your requirements.

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