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Session ratings

Create and update session ratings with complete curl request examples.

Collection path: events/{event_id}/session-ratings

Input Type POST PATCH Notes
simple_rateable_id Scalar ID Required for a successful create Rejected if supplied Session must belong to the event.
registrant_id Scalar ID Required for a successful create Rejected if supplied Registrant must belong to the event and have a Brella user.
score Integer Required by the model Optional 0 represents skipped; accepted range is 0 to 50.
comment Scalar string or null Optional Optional Rating comment.

POST a session rating

POST is an upsert for the session and registrant pair.

curl --request POST \
  --url "${BRELLA_API_BASE_URL}/api/core/organizations/${BRELLA_ORGANIZATION_ID}/events/${BRELLA_EVENT_ID}/session-ratings" \
  --header "Accept: application/vnd.brella.v4+json" \
  --header "Brella-API-Access-Token: ${BRELLA_API_ACCESS_TOKEN}" \
  --header "Content-Type: application/json" \
  --data-raw '{
    "simple_rateable_id": 5501,
    "registrant_id": 1201,
    "score": 4,
    "comment": "Good session"
  }'

The response type is session-rating. Useful write-response fields include simple_rateable_id (returned as session-id), registrant_id, score, comment, and skipped.

PATCH a session rating

curl --request PATCH \
  --url "${BRELLA_API_BASE_URL}/api/core/organizations/${BRELLA_ORGANIZATION_ID}/events/${BRELLA_EVENT_ID}/session-ratings/9301" \
  --header "Accept: application/vnd.brella.v4+json" \
  --header "Brella-API-Access-Token: ${BRELLA_API_ACCESS_TOKEN}" \
  --header "Content-Type: application/json" \
  --data-raw '{
    "score": 5,
    "comment": "Excellent after the final discussion"
  }'

Do not send simple_rateable_id or registrant_id on PATCH; the mutation explicitly rejects changing the session or rater identity.

Last updated on August 25, 2026