curl --request POST \
--url https://api.hubapi.com/events/custom/2026-03/send \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"eventName": "<string>",
"properties": {},
"email": "<string>",
"objectId": "<string>",
"occurredAt": "2026-01-20T21:14:16.512Z",
"utk": "<string>",
"uuid": "<string>"
}
'This response has no body data.Send an event occurrence
curl --request POST \
--url https://api.hubapi.com/events/custom/2026-03/send \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"eventName": "<string>",
"properties": {},
"email": "<string>",
"objectId": "<string>",
"occurredAt": "2026-01-20T21:14:16.512Z",
"utk": "<string>",
"uuid": "<string>"
}
'This response has no body data.Supported products
Supported products
Required Scopes
Required Scopes
Authorizations
The access token received from the authorization server in the OAuth 2.0 flow.
Body
The event's fully qualified name. This value (formatted as pe{HubID}_{name}) can be retrieved through the event definitions API or in HubSpot's UI.
The event properties to update. Takes the format of key-value pairs (property internal name and property value). Learn more about HubSpot's default event properties.
Show child attributes
Show child attributes
The visitor's email address. Used for associating the event data with a CRM record.
The ID of the record for which the event occurred (e.g., contact ID or visitor ID).
The time when this event occurred. If this isn't set, the current time will be used.
"2026-01-20T21:14:16.512Z"
The visitor's usertoken. Used for associating the event data with a CRM record.
Include a universally unique identifier to assign a unique ID to the event occurrence. Can be useful for matching data between HubSpot and other external systems.
Response
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