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POST
/
assets
/
{assetId}
/
blocks
/
operations
Apply block operations
curl --request POST \
  --url https://versuno.ai/api/public/assets/{assetId}/blocks/operations \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "operations": [
    {
      "op": "turn_into",
      "targetBlockId": "b_35effee2-0c97-463b-9a0a-8973eca1b4da",
      "turnInto": "quote"
    },
    {
      "op": "turn_into",
      "targetBlockId": "b_74f0ee4e-59c3-4593-9ac7-7b0f5ddf359a",
      "turnInto": "heading2"
    }
  ]
}
'
import requests

url = "https://versuno.ai/api/public/assets/{assetId}/blocks/operations"

payload = { "operations": [
{
"op": "turn_into",
"targetBlockId": "b_35effee2-0c97-463b-9a0a-8973eca1b4da",
"turnInto": "quote"
},
{
"op": "turn_into",
"targetBlockId": "b_74f0ee4e-59c3-4593-9ac7-7b0f5ddf359a",
"turnInto": "heading2"
}
] }
headers = {
"Authorization": "<api-key>",
"Content-Type": "application/json"
}

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

print(response.text)
const options = {
method: 'POST',
headers: {Authorization: '<api-key>', 'Content-Type': 'application/json'},
body: JSON.stringify({
operations: [
{
op: 'turn_into',
targetBlockId: 'b_35effee2-0c97-463b-9a0a-8973eca1b4da',
turnInto: 'quote'
},
{
op: 'turn_into',
targetBlockId: 'b_74f0ee4e-59c3-4593-9ac7-7b0f5ddf359a',
turnInto: 'heading2'
}
]
})
};

fetch('https://versuno.ai/api/public/assets/{assetId}/blocks/operations', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));
package main

import (
"fmt"
"strings"
"net/http"
"io"
)

func main() {

url := "https://versuno.ai/api/public/assets/{assetId}/blocks/operations"

payload := strings.NewReader("{\n \"operations\": [\n {\n \"op\": \"turn_into\",\n \"targetBlockId\": \"b_35effee2-0c97-463b-9a0a-8973eca1b4da\",\n \"turnInto\": \"quote\"\n },\n {\n \"op\": \"turn_into\",\n \"targetBlockId\": \"b_74f0ee4e-59c3-4593-9ac7-7b0f5ddf359a\",\n \"turnInto\": \"heading2\"\n }\n ]\n}")

req, _ := http.NewRequest("POST", url, payload)

req.Header.Add("Authorization", "<api-key>")
req.Header.Add("Content-Type", "application/json")

res, _ := http.DefaultClient.Do(req)

defer res.Body.Close()
body, _ := io.ReadAll(res.Body)

fmt.Println(string(body))

}
<?php

$curl = curl_init();

curl_setopt_array($curl, [
CURLOPT_URL => "https://versuno.ai/api/public/assets/{assetId}/blocks/operations",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'operations' => [
[
'op' => 'turn_into',
'targetBlockId' => 'b_35effee2-0c97-463b-9a0a-8973eca1b4da',
'turnInto' => 'quote'
],
[
'op' => 'turn_into',
'targetBlockId' => 'b_74f0ee4e-59c3-4593-9ac7-7b0f5ddf359a',
'turnInto' => 'heading2'
]
]
]),
CURLOPT_HTTPHEADER => [
"Authorization: <api-key>",
"Content-Type: application/json"
],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}
require 'uri'
require 'net/http'

url = URI("https://versuno.ai/api/public/assets/{assetId}/blocks/operations")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"operations\": [\n {\n \"op\": \"turn_into\",\n \"targetBlockId\": \"b_35effee2-0c97-463b-9a0a-8973eca1b4da\",\n \"turnInto\": \"quote\"\n },\n {\n \"op\": \"turn_into\",\n \"targetBlockId\": \"b_74f0ee4e-59c3-4593-9ac7-7b0f5ddf359a\",\n \"turnInto\": \"heading2\"\n }\n ]\n}"

response = http.request(request)
puts response.read_body
HttpResponse<String> response = Unirest.post("https://versuno.ai/api/public/assets/{assetId}/blocks/operations")
.header("Authorization", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"operations\": [\n {\n \"op\": \"turn_into\",\n \"targetBlockId\": \"b_35effee2-0c97-463b-9a0a-8973eca1b4da\",\n \"turnInto\": \"quote\"\n },\n {\n \"op\": \"turn_into\",\n \"targetBlockId\": \"b_74f0ee4e-59c3-4593-9ac7-7b0f5ddf359a\",\n \"turnInto\": \"heading2\"\n }\n ]\n}")
.asString();
using RestSharp;


var options = new RestClientOptions("https://versuno.ai/api/public/assets/{assetId}/blocks/operations");
var client = new RestClient(options);
var request = new RestRequest("");
request.AddHeader("Authorization", "<api-key>");
request.AddJsonBody("{\n \"operations\": [\n {\n \"op\": \"turn_into\",\n \"targetBlockId\": \"b_35effee2-0c97-463b-9a0a-8973eca1b4da\",\n \"turnInto\": \"quote\"\n },\n {\n \"op\": \"turn_into\",\n \"targetBlockId\": \"b_74f0ee4e-59c3-4593-9ac7-7b0f5ddf359a\",\n \"turnInto\": \"heading2\"\n }\n ]\n}", false);
var response = await client.PostAsync(request);

Console.WriteLine("{0}", response.Content);
{
  "assetId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "appliedOperations": [
    {
      "op": "<string>",
      "targetBlockId": "<string>",
      "turnInto": "<string>"
    }
  ],
  "contentBlocks": [
    {
      "id": "b_35effee2-0c97-463b-9a0a-8973eca1b4da",
      "type": "paragraph",
      "meta": {},
      "content": "This block was updated",
      "inline": [
        {}
      ],
      "children": "<array>"
    }
  ]
}
{
"error": "Wrong data: assetType is required"
}
{
"error": "Invalid API key"
}
{
"error": "Forbidden"
}
{
"error": "Not found"
}
{
"error": "Asset is already in trash"
}
Use this endpoint for structural transforms that rewrite the block tree.

Supported operations

Only one operation is supported: turn_into. Supported turnInto values:
  • paragraph
  • heading1, heading2, heading3
  • codeBlock
  • quote
  • toggleH1, toggleH2, toggleH3, toggle
  • callout
  • bulletList, orderedList, taskList
Use PATCH /assets/{assetId}/blocks for field updates only (content, inline, meta).

Code examples

curl -X POST "https://versuno.ai/api/public/assets/<asset-uuid>/blocks/operations" \
  -H "Authorization: Bearer uk_live_your_api_key_here" \
  -H "Content-Type: application/json" \
  -d '{
    "operations": [
      {
        "op": "turn_into",
        "targetBlockId": "b_35effee2-0c97-463b-9a0a-8973eca1b4da",
        "turnInto": "quote"
      }
    ]
  }'
const res = await fetch(
  "https://versuno.ai/api/public/assets/<asset-uuid>/blocks/operations",
  {
    method: "POST",
    headers: {
      Authorization: "Bearer uk_live_your_api_key_here",
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      operations: [
        {
          op: "turn_into",
          targetBlockId: "b_35effee2-0c97-463b-9a0a-8973eca1b4da",
          turnInto: "toggleH2",
        },
      ],
    }),
  }
);

const data = await res.json();
import requests

response = requests.post(
    "https://versuno.ai/api/public/assets/<asset-uuid>/blocks/operations",
  headers={
    "Authorization": "Bearer uk_live_your_api_key_here",
    "Content-Type": "application/json",
  },
    json={
        "operations": [
            {
        "op": "turn_into",
                "targetBlockId": "b_35effee2-0c97-463b-9a0a-8973eca1b4da",
        "turnInto": "callout",
            }
        ]
    },
)

result = response.json()

Authorizations

Authorization
string
header
default:Bearer uk_live_your_api_key_here
required

Versuno API key. Must be prefixed with Bearer. Format: Bearer uk_live_...

Path Parameters

assetId
string<uuid>
required

Query Parameters

assetType
enum<string>

Optional type guard. If supplied, it must match the asset's actual type.

Available options:
prompt,
persona,
context,
system_prompt,
skill

Body

application/json
operations
object[]
required
Minimum array length: 1

Response

Operations applied and full updated block tree returned.

assetId
string<uuid>
appliedOperations
object[]
contentBlocks
object[]