Custom Object Schema Creation

Develop, Build & Integrate APIs & Integrations
9 
curl --request POST \
 --url 'https://api.hubapi.com/crm/v3/schemas' \
 --header 'content-type: application/json' \
 --header 'authorization: Bearer $TOKEN' \
 --data '{
 "name": "my_object",
 "labels": {
 "singular": "My object",
 "plural": "My objects"
 },
 "primaryDisplayProperty": "my_object_property",
 "requiredProperties": [
 "my_object_property"
 ],
 "properties": [
 {
 "name": "my_object_property",
 "label": "My object property",
 "isPrimaryDisplayLabel": true
 }
 ],
 "associatedObjects": [
 "CONTACT"
 ],
 "metaType": "PORTAL_SPECIFIC"
 }'

{"status":"error","message":"The scope needed for this API call isn't available for public use. If you have questions, contact support or post in our developer forum.","correlationId":"96e40266-00fd-4597-9bff-94bc4a9bc079","links":{"support":"https://help.hubspot.com/","forum":"https://community.hubspot.com/t5/APIs-Integrations/bd-p/integrations"},"category":"MISSING_SCOPES"}⏎

The documentation at Accounts Dashboard | HubSpot actually suggests HAPI key here, which are going away in a month or so.