curl --request PUT \
  --url https://studio.weaverse.io/api/v1/content/projects/{projectId}/page-drafts/{pageId} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "items": [
    {
      "id": "root-1",
      "type": "main",
      "children": [
        {
          "id": "hero-1"
        }
      ],
      "data": {}
    },
    {
      "id": "hero-1",
      "type": "hero-image",
      "data": {
        "heading": "Summer collection",
        "height": "large"
      }
    }
  ],
  "expectedHeadVersionId": null,
  "expectedPageUpdatedAt": "2026-10-08T10:00:00.000Z",
  "expectedProjectUpdatedAt": "2026-10-08T09:00:00.000Z"
}
'

const options = {
  method: 'PUT',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    items: [
      {id: 'root-1', type: 'main', children: [{id: 'hero-1'}], data: {}},
      {
        id: 'hero-1',
        type: 'hero-image',
        data: {heading: 'Summer collection', height: 'large'}
      }
    ],
    expectedHeadVersionId: null,
    expectedPageUpdatedAt: '2026-10-08T10:00:00.000Z',
    expectedProjectUpdatedAt: '2026-10-08T09:00:00.000Z'
  })
};

fetch('https://studio.weaverse.io/api/v1/content/projects/{projectId}/page-drafts/{pageId}', 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}/page-drafts/{pageId}"

payload = {
    "items": [
        {
            "id": "root-1",
            "type": "main",
            "children": [{ "id": "hero-1" }],
            "data": {}
        },
        {
            "id": "hero-1",
            "type": "hero-image",
            "data": {
                "heading": "Summer collection",
                "height": "large"
            }
        }
    ],
    "expectedHeadVersionId": None,
    "expectedPageUpdatedAt": "2026-10-08T10:00:00.000Z",
    "expectedProjectUpdatedAt": "2026-10-08T09:00:00.000Z"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "object": "page_draft_saved",
  "pageId": "clz7pg9k2m4n6p8r0t2v4x6z",
  "projectId": "clz7prj0a1b2c3d4e5f6g7h8",
  "versionId": "clz9drf2h4j6l8n0p2r4t6v8",
  "updatedAt": "2026-10-08T10:12:00.000Z"
}

{
  "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": "The live page or project changed since it was read; nothing was saved — re-read and retry",
  "status": 409
}