Access & visibility
Allow meetings.CancelCalendarEvent on your API key. Resource write permissions: core:CalendarEvent.
Workspace access by default. Private member data requires approved member delegation through Brigg-Act-As; the key supplies permissions while private ownership and project boundaries remain enforced.
Request fields
Send a JSON object with the following fields. Required fields must be included; omit optional fields you do not need.
idstringRequiredThe core:CalendarEvent entry id.
At least 1 character.
send_cancelbooleanOptionalMail an iCal CANCEL to every attendee.
messagestringOptionalMessage included with the calendar invitation update or cancellation.
Response
Returns 200 OK with a JSON body.
idstringRequiredUnique identifier. Use the value returned by a create or list operation.
uidstringRequiredCalendar invitation UID, distinct from the Brigg record ID.
sendobjectOptionalPresent when a mail-out was asked for.
Nested fields
message_idsmap of stringRequiredRecipient email address to delivery message ID.
skippedarray of stringRequiredAttendee account ids with no email address.
rate_limitedbooleanOptionalThe org's invite quota was hit — the event write landed, no mail went out.
Errors & retries
Set BRIGG_REQUEST_ID once for each logical action. The samples send it as Idempotency-Key. Reuse the same value and body on retries, including after a timeout; a missing response does not prove the action failed.
For rate limits, follow the server’s retry guidance and back off. See HTTP errors and safe retries and limits.
| HTTP status | Code | What to do |
|---|---|---|
| 400 | invalid_json |
Send a JSON object with Content-Type: application/json. |
| 400 | invalid_input |
Check the request fields and types. Supply a stable Idempotency-Key containing 1–200 characters. |
| 401 | invalid_key |
The workspace API key is missing, invalid or revoked. |
| 403 | forbidden |
Check the key’s operation and resource grants. If Brigg-Act-As is supplied, the key must be authorized to delegate to that member. |
| 404 | not_found |
The requested operation or resource is not available to this credential. |
| 429 | rate_limited |
Wait for Retry-After before retrying. Reuse the original Idempotency-Key. |
Next steps
JSON schemas
Use the complete schemas for validation or client generation.
Full request JSON schema
{
"type": "object",
"properties": {
"id": {
"type": "string",
"minLength": 1,
"description": "The core:CalendarEvent entry id."
},
"send_cancel": {
"type": "boolean",
"description": "Mail an iCal CANCEL to every attendee."
},
"message": {
"type": "string",
"description": "Message included with the calendar invitation update or cancellation."
}
},
"required": [
"id"
],
"additionalProperties": false,
"examples": [
{
"id": "e_example"
}
]
}Full response JSON schema
{
"type": "object",
"properties": {
"id": {
"type": "string",
"description": "Unique identifier. Use the value returned by a create or list operation."
},
"uid": {
"type": "string",
"description": "Calendar invitation UID, distinct from the Brigg record ID."
},
"send": {
"type": "object",
"description": "Present when a mail-out was asked for.",
"properties": {
"message_ids": {
"description": "Recipient email address to delivery message ID.",
"type": "object",
"additionalProperties": {
"type": "string"
}
},
"skipped": {
"type": "array",
"items": {
"type": "string"
},
"description": "Attendee account ids with no email address."
},
"rate_limited": {
"type": "boolean",
"description": "The org's invite quota was hit — the event write landed, no mail went out."
}
},
"required": [
"message_ids",
"skipped"
],
"additionalProperties": false
}
},
"required": [
"id",
"uid"
],
"additionalProperties": false,
"examples": [
{
"id": "e_example",
"uid": "kickoff@example.com"
}
]
}