Create a custom object record

Platform module

POST/objects/{object_key}objects.create

A record of a custom object. Values are stored one row per field, never as JSON. Creates a custom object record. Requires `Idempotency-Key`; a replay returns the original response. The organization is derived from the credential or the parent row, never from the body.

Requires the capability work.record.write.
OAuth scopes: work.
Send an Idempotency-Key header. A replay with the same key returns the original response.
Error statuses: 400, 401, 409, 422, 429. Errors are RFC 9457 problem details.

Path and query parameters

objects.create: Path and query parameters
Field	Type	Required	Description
object_key	string	Yes	The `object_key` path segment.Constraints: length 1 to any

Request body: CustomObjectRecordCreate

objects.create: CustomObjectRecordCreate
Field	Type	Required	Description
title	string	Yes	Record title.Constraints: length 1 to 300
values	object	Yes	Field values keyed by field key. Stored normalized in `custom_object_values`.

{
  "title": "Harbor Lounge Activation",
  "values": {
    "activation_date": "2026-10-08"
  }
}

Response 201: CustomObjectRecord

objects.create: CustomObjectRecord
Field	Type	Required	Description
id	string (uuid)	Yes	Identifier of the custom object record.
org_id	string (uuid)	Yes	Identifier of the owning organization, derived from the parent row and never accepted from the caller.
created_at	string (date-time)	Yes	When the row was created.
created_by	string (uuid) \| null	Yes	Identifier of the person who created the row; null when a seed, platform or system process created it.
updated_at	string (date-time)	Yes	When the row was last updated.
updated_by	string (uuid) \| null	Yes	Identifier of the person who last updated the row; null when a seed, platform or system process updated it.
title	string	Yes	Record title.Constraints: length 1 to 300
values	object	Yes	Field values keyed by field key. Stored normalized in `custom_object_values`.
custom_object_type_id	string (uuid)	Yes	Identifier of the object type the record is an instance of.

{
  "id": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
  "org_id": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
  "created_at": "2026-10-08T14:30:00Z",
  "created_by": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
  "updated_at": "2026-10-08T14:30:00Z",
  "updated_by": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
  "title": "Harbor Lounge Activation",
  "values": {
    "activation_date": "2026-10-08"
  },
  "custom_object_type_id": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f"
}

Code samples

curl -X POST "$XOS_BASE_URL/objects/sponsor_activation" \
  -H "Authorization: Bearer $XOS_API_KEY" \
  -H "Idempotency-Key: $(uuidgen)" \
  -H "Content-Type: application/json" \
  -d '{"title":"Harbor Lounge Activation","values":{"activation_date":"2026-10-08"}}'

const { data } = await xos.objects.create("sponsor_activation", {
    "title": "Harbor Lounge Activation",
    "values": {
      "activation_date": "2026-10-08"
    }
  });

response = xos.objects.create("sponsor_activation", {"title": "Harbor Lounge Activation", "values": {"activation_date": "2026-10-08"}})

xos objects create sponsor_activation --data '{"title":"Harbor Lounge Activation","values":{"activation_date":"2026-10-08"}}'