Update an item's data.
Data in the request body will be deep-merged with the item's current data.
POST https://api.jsonpad.io/lists/{listId}/items/{itemId}/datacurl https://api.jsonpad.io/lists/cb31fd84-1a6c-42d8-9084-6608867243ec/items/8a90737c-3762-48d7-80a7-e458a4c6546b/data \
-H "Content-Type: application/json" \
-H "x-api-token: <YOUR TOKEN>" \
-d '{
"name": "Jane Doe"
}'listIdstringA list id or path name.itemIdstringAn item id or alias.includeDatabooleanhttps://api.jsonpad.io/lists/b1ee7d38-026a-4da3-b9df-585a8e346fe4/items/a182457e-66d0-42ae-ac4f-6a1e502de65f/data?includeData=trueWhether to include the item data in the response or not. Can be true or false.
Defaults to true.
x-api-tokenstringYour API token.x-identity-tokenstringAn identity token.x-identity-groupstringAn identity group.{name: "Jane Doe"}*anyData to be deep-merged with the item's current data.{id: "92b316c6-0ea8-4d1b-b88d-f3a3193a5595"createdAt: "2026-09-05T11:30:04.837Z"updatedAt: "2026-09-05T11:30:04.837Z"data: {name: "John Doe"age: 30locations: [0: {city: "New York"state: "NY"}1: {city: "Los Angeles"state: "CA"}]}version: "1"readonly: falseactivated: truedescription: "This is a sample item"size: 111locked: false}etagaf2bdbe1aa9b6ec1e2ade1d694f41fc71a831d0268e9891562113d8a62add1bfA SHA-256 hash of the item.last-modified2026-09-05T11:30:04.837ZThe date this item was last modified.