curl --request PATCH \
  --url https://studio.weaverse.io/api/v1/content/projects/{projectId}/pages/{type}/{handle} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "items": [
    {
      "id": "019a3c2e-5b7d-7f10-8a2b-3c4d5e6f7a82",
      "data": {
        "title": "Summer Sale"
      }
    },
    {
      "id": "019a3c2f-1a2b-7c3d-9e4f-5a6b7c8d9e01",
      "type": "rich-text",
      "data": {
        "content": "<p>Free shipping on orders over $50.</p>"
      }
    },
    {
      "id": "019a3c2e-5b7d-7f10-8a2b-3c4d5e6f7a81",
      "data": {},
      "children": [
        {
          "id": "019a3c2e-5b7d-7f10-8a2b-3c4d5e6f7a82"
        },
        {
          "id": "019a3c2f-1a2b-7c3d-9e4f-5a6b7c8d9e01"
        },
        {
          "id": "019a3c2e-5b7d-7f10-8a2b-3c4d5e6f7a83"
        }
      ]
    }
  ]
}
'

const options = {
  method: 'PATCH',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    items: [
      {id: '019a3c2e-5b7d-7f10-8a2b-3c4d5e6f7a82', data: {title: 'Summer Sale'}},
      {
        id: '019a3c2f-1a2b-7c3d-9e4f-5a6b7c8d9e01',
        type: 'rich-text',
        data: {content: '<p>Free shipping on orders over $50.</p>'}
      },
      {
        id: '019a3c2e-5b7d-7f10-8a2b-3c4d5e6f7a81',
        data: {},
        children: [
          {id: '019a3c2e-5b7d-7f10-8a2b-3c4d5e6f7a82'},
          {id: '019a3c2f-1a2b-7c3d-9e4f-5a6b7c8d9e01'},
          {id: '019a3c2e-5b7d-7f10-8a2b-3c4d5e6f7a83'}
        ]
      }
    ]
  })
};

fetch('https://studio.weaverse.io/api/v1/content/projects/{projectId}/pages/{type}/{handle}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://studio.weaverse.io/api/v1/content/projects/{projectId}/pages/{type}/{handle}"

payload = { "items": [
        {
            "id": "019a3c2e-5b7d-7f10-8a2b-3c4d5e6f7a82",
            "data": { "title": "Summer Sale" }
        },
        {
            "id": "019a3c2f-1a2b-7c3d-9e4f-5a6b7c8d9e01",
            "type": "rich-text",
            "data": { "content": "<p>Free shipping on orders over $50.</p>" }
        },
        {
            "id": "019a3c2e-5b7d-7f10-8a2b-3c4d5e6f7a81",
            "data": {},
            "children": [{ "id": "019a3c2e-5b7d-7f10-8a2b-3c4d5e6f7a82" }, { "id": "019a3c2f-1a2b-7c3d-9e4f-5a6b7c8d9e01" }, { "id": "019a3c2e-5b7d-7f10-8a2b-3c4d5e6f7a83" }]
        }
    ] }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.patch(url, json=payload, headers=headers)

print(response.text)

{
  "object": "page_update",
  "pageId": "clz2r7t5w0002mnop9012qrst",
  "locale": "en-us",
  "requested": 3,
  "updated": 2,
  "created": 1,
  "notFound": 0,
  "failed": 0,
  "updatedIds": [
    "019a3c2e-5b7d-7f10-8a2b-3c4d5e6f7a82",
    "019a3c2e-5b7d-7f10-8a2b-3c4d5e6f7a81"
  ],
  "createdIds": [
    "019a3c2f-1a2b-7c3d-9e4f-5a6b7c8d9e01"
  ],
  "notFoundIds": [],
  "failedIds": []
}

{
  "object": "error",
  "code": "UNAUTHORIZED",
  "message": "<string>",
  "status": 123,
  "details": "<unknown>"
}

{
  "object": "error",
  "code": "UNAUTHORIZED",
  "message": "<string>",
  "status": 123,
  "details": "<unknown>"
}

{
  "object": "error",
  "code": "UNAUTHORIZED",
  "message": "<string>",
  "status": 123,
  "details": "<unknown>"
}

{
  "object": "error",
  "code": "UNAUTHORIZED",
  "message": "<string>",
  "status": 123,
  "details": "<unknown>"
}

{
  "object": "error",
  "code": "STALE_PAGE",
  "message": "Page \"PRODUCT/blue-shirt\" changed since your last read (expectedUpdatedAt mismatch). Re-read the page and reapply your patch on top of the newer content.",
  "status": 409
}

{
  "object": "error",
  "code": "UNAUTHORIZED",
  "message": "<string>",
  "status": 123,
  "details": "<unknown>"
}