The Invites endpoint is changing on July 4th, 2026, with the release of Dynamic Registrant Lists. See 

Added additional filterable sponsor public endpoints.

2025-09-17 Update


Added List session sponsors (GET) endpoint.


Added Assign Sponsors to Timeslot (POST) endpoints.

Added Update (PATCH) Timeslot Sponsors endpoint.

Added Delete (DELETE) Session Sponsors in timeslot endpoint.

2025-09-10 Update

2025-09-03 Update

Updated Create/ Update (POST/ PATCH) Invites endpoints with the ability to create and update the external QR strings.

2025-06-11 Update

Updated Create/ Update (POST/ PATCH) Sponsors endpoints with the ability to define Representative Linking Methods.

2025-05-28 Update

Updated Create/ Update (POST/ PATCH) Sponsors endpoints with the ability to create and update Products list. 

2024-12-30 Update

Updated Create/ Update (POST/ PATCH) Invites endpoints with the ability to create and update Matchmaking data. 

2024-12-27 Update

Pagination is mandatory as of January 8th, 2025. Updated all needed sections with this new requirement.

Added Getting your Organization ID & Event ID.

2024-12-09 Update

Documentation errors in the DELETE Attendance registration endponts. The attendeeId and timeslotId can only be passed as query parameters — not within the body.

2024-08-27 Update

Added the ability to specify which user groups can see / access a timeslot to the Create / Update Timeslots endpoints.

Improved clarity and renamed the "A note on updating existing records & using external id fields" article

2024-08-05 Update

Updated timeslot endpoints (POST and PUT) with new attributes for controlling RSVP settings

Added public / non-authenticated endpoints for client-side use

Added warning about mitigating a potential bug in the sponsor endpoints (POST and PATCH)

Added additional clarifications to the "Authentication & API keys" page

Added additional clarifications to the "Forming API requests" page

2024-03-14 Update

Added new date-based filtering options to the /invites, /attendees and /events endpoints

2023-11-21 Update

Added new statistics & analytics endpoints for meeting / chat data and tracking sessions/ streams and sponsor booth interactions

Added new RSVP endpoints (POST, DELETE, GET) to allow a full-set of CRUD operations on RSVPs to various timeslots in the event.

2023-11-16 Update

Optional position parameter to the speaker endpoints — this allows you to control the display order of your speakers in Brella's app. See the articles on the "Create speaker" and "Update speaker" endpoints for more information.

2023-08-18 Update

Optional pagination query parameter for the events, invites, speakers, attendees and sponsors endpoints (List endpoints only)

List all attendee/ user groups endpoint to return all the user groups in an event

2023-08-08 Update

POST and PUT Schedule endpoints (timeslots) now support an optional (but highly recommended) tracks attribute for assigning/ reassigning timeslots to the correct track— see the Notes section of the relevant endpoint documentation pages for more information

2023-07-12 Update

external_id validation works correctly for speaker endpoint

Added duplicate validation for the speaker assignments

Webhook attendee updated trigger only fires for actual changes (excluded automated background jobs from accidentally triggering this webhook)

2023-04-27 Update

Schedule endpoints (timeslots) - List, Get, Create, Update, Delete

Speaker assignment endpoints (to timeslots) - List, Create, Update, Delete

Webhook manipulation endpoints - List, Get, Create, Update, Delete

Schedule endpoints (timeslots) - Specify tags in plain text

Invites endpoints - external_email now supports special characters

2023-03-27 Update

Getting your Organization & Event ID

Changelog

A note on public endpoints

Brella Developer Documentation

Welcome

Forming API requests

Response status codes

Rate-limiting & pagination

How data is structured in Brella

Updating existing records using external_id

Authentication & API keys

Integration API quickstart

Finding the URL Slug

List of public endpoints

Public endpoints