curl --request PATCH \
  --url https://api.attio.com/v2/objects/workspaces/records/{record_id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "data": {
    "values": {
      "workspace_id": "123",
      "name": "Customer.com",
      "avatar_url": "https://example.com/avatar.png",
      "users": [
        {
          "target_object": "users",
          "target_record_id": "5e3fb280-007b-495a-a530-9354bde01de1"
        }
      ],
      "company": {
        "target_object": "companies",
        "target_record_id": "99a03ff3-0435-47da-95cc-76b2caeb4dab"
      }
    }
  }
}'

{
  "data": {
    "id": {
      "workspace_id": "14beef7a-99f7-4534-a87e-70b564330a4c",
      "object_id": "97052eb9-e65e-443f-a297-f2d9a4a7f795",
      "record_id": "bf071e1f-6035-429d-b874-d83ea64ea13b"
    },
    "created_at": "2022-11-21T13:22:49.061281000Z",
    "web_url": "https://app.attio.com/salarya/person/bf071e1f-6035-429d-b874-d83ea64ea13b",
    "values": {
      "workspace_id": [
        {
          "active_from": "2023-01-01T15:00:00.000000000Z",
          "active_until": null,
          "created_by_actor": {
            "type": "system",
            "id": null
          },
          "value": "123",
          "attribute_type": "text"
        }
      ],
      "name": [
        {
          "active_from": "2023-01-01T15:00:00.000000000Z",
          "active_until": null,
          "created_by_actor": {
            "type": "system",
            "id": null
          },
          "value": "Fundstack",
          "attribute_type": "text"
        }
      ],
      "users": [
        {
          "active_from": "2023-01-01T15:00:00.000000000Z",
          "active_until": null,
          "created_by_actor": {
            "type": "system",
            "id": null
          },
          "target_object": "users",
          "target_record_id": "5e3fb280-007b-495a-a530-9354bde01de1",
          "attribute_type": "record-reference"
        }
      ],
      "company": [
        {
          "active_from": "2023-01-01T15:00:00.000000000Z",
          "active_until": null,
          "created_by_actor": {
            "type": "system",
            "id": null
          },
          "target_object": "companies",
          "target_record_id": "99a03ff3-0435-47da-95cc-76b2caeb4dab",
          "attribute_type": "record-reference"
        }
      ],
      "avatar_url": [
        {
          "active_from": "2023-01-01T15:00:00.000000000Z",
          "active_until": null,
          "created_by_actor": {
            "type": "system",
            "id": null
          },
          "value": "https://example.com/avatar.png",
          "attribute_type": "text"
        }
      ]
    }
  }
}