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POST
/
assets
/
{assetId}
/
versions
Create a version
curl --request POST \
  --url https://versuno.ai/api/public/assets/{assetId}/versions \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "assetData": {
    "title": "SKILL",
    "content": "fdasfsd\n\nfdsafdsa",
    "description": null,
    "emoji": null,
    "tags": [],
    "files": [],
    "is_public": false,
    "block_ids": [
      "b_015729a2-f530-40b0-aa65-6f3efadc967e",
      "b_55000bce-0e51-45d6-bd64-3962ec8b948b"
    ],
    "content_blocks": [
      {
        "id": "b_015729a2-f530-40b0-aa65-6f3efadc967e",
        "type": "paragraph",
        "meta": {},
        "content": "fdasfsd"
      },
      {
        "id": "b_55000bce-0e51-45d6-bd64-3962ec8b948b",
        "type": "paragraph",
        "meta": {},
        "content": "fdsafdsa"
      }
    ]
  }
}
'
import requests

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

payload = { "assetData": {
        "title": "SKILL",
        "content": "fdasfsd

fdsafdsa",
        "description": None,
        "emoji": None,
        "tags": [],
        "files": [],
        "is_public": False,
        "block_ids": ["b_015729a2-f530-40b0-aa65-6f3efadc967e", "b_55000bce-0e51-45d6-bd64-3962ec8b948b"],
        "content_blocks": [
            {
                "id": "b_015729a2-f530-40b0-aa65-6f3efadc967e",
                "type": "paragraph",
                "meta": {},
                "content": "fdasfsd"
            },
            {
                "id": "b_55000bce-0e51-45d6-bd64-3962ec8b948b",
                "type": "paragraph",
                "meta": {},
                "content": "fdsafdsa"
            }
        ]
    } }
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({
    assetData: {
      title: 'SKILL',
      content: 'fdasfsd\n\nfdsafdsa',
      description: null,
      emoji: null,
      tags: [],
      files: [],
      is_public: false,
      block_ids: [
        'b_015729a2-f530-40b0-aa65-6f3efadc967e',
        'b_55000bce-0e51-45d6-bd64-3962ec8b948b'
      ],
      content_blocks: [
        {
          id: 'b_015729a2-f530-40b0-aa65-6f3efadc967e',
          type: 'paragraph',
          meta: {},
          content: 'fdasfsd'
        },
        {
          id: 'b_55000bce-0e51-45d6-bd64-3962ec8b948b',
          type: 'paragraph',
          meta: {},
          content: 'fdsafdsa'
        }
      ]
    }
  })
};

fetch('https://versuno.ai/api/public/assets/{assetId}/versions', 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}/versions"

	payload := strings.NewReader("{\n  \"assetData\": {\n    \"title\": \"SKILL\",\n    \"content\": \"fdasfsd\\n\\nfdsafdsa\",\n    \"description\": null,\n    \"emoji\": null,\n    \"tags\": [],\n    \"files\": [],\n    \"is_public\": false,\n    \"block_ids\": [\n      \"b_015729a2-f530-40b0-aa65-6f3efadc967e\",\n      \"b_55000bce-0e51-45d6-bd64-3962ec8b948b\"\n    ],\n    \"content_blocks\": [\n      {\n        \"id\": \"b_015729a2-f530-40b0-aa65-6f3efadc967e\",\n        \"type\": \"paragraph\",\n        \"meta\": {},\n        \"content\": \"fdasfsd\"\n      },\n      {\n        \"id\": \"b_55000bce-0e51-45d6-bd64-3962ec8b948b\",\n        \"type\": \"paragraph\",\n        \"meta\": {},\n        \"content\": \"fdsafdsa\"\n      }\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}/versions",
  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([
    'assetData' => [
        'title' => 'SKILL',
        'content' => 'fdasfsd

fdsafdsa',
        'description' => null,
        'emoji' => null,
        'tags' => [
                
        ],
        'files' => [
                
        ],
        'is_public' => false,
        'block_ids' => [
                'b_015729a2-f530-40b0-aa65-6f3efadc967e',
                'b_55000bce-0e51-45d6-bd64-3962ec8b948b'
        ],
        'content_blocks' => [
                [
                                'id' => 'b_015729a2-f530-40b0-aa65-6f3efadc967e',
                                'type' => 'paragraph',
                                'meta' => [
                                                                
                                ],
                                'content' => 'fdasfsd'
                ],
                [
                                'id' => 'b_55000bce-0e51-45d6-bd64-3962ec8b948b',
                                'type' => 'paragraph',
                                'meta' => [
                                                                
                                ],
                                'content' => 'fdsafdsa'
                ]
        ]
    ]
  ]),
  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}/versions")

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  \"assetData\": {\n    \"title\": \"SKILL\",\n    \"content\": \"fdasfsd\\n\\nfdsafdsa\",\n    \"description\": null,\n    \"emoji\": null,\n    \"tags\": [],\n    \"files\": [],\n    \"is_public\": false,\n    \"block_ids\": [\n      \"b_015729a2-f530-40b0-aa65-6f3efadc967e\",\n      \"b_55000bce-0e51-45d6-bd64-3962ec8b948b\"\n    ],\n    \"content_blocks\": [\n      {\n        \"id\": \"b_015729a2-f530-40b0-aa65-6f3efadc967e\",\n        \"type\": \"paragraph\",\n        \"meta\": {},\n        \"content\": \"fdasfsd\"\n      },\n      {\n        \"id\": \"b_55000bce-0e51-45d6-bd64-3962ec8b948b\",\n        \"type\": \"paragraph\",\n        \"meta\": {},\n        \"content\": \"fdsafdsa\"\n      }\n    ]\n  }\n}"

response = http.request(request)
puts response.read_body
HttpResponse<String> response = Unirest.post("https://versuno.ai/api/public/assets/{assetId}/versions")
  .header("Authorization", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"assetData\": {\n    \"title\": \"SKILL\",\n    \"content\": \"fdasfsd\\n\\nfdsafdsa\",\n    \"description\": null,\n    \"emoji\": null,\n    \"tags\": [],\n    \"files\": [],\n    \"is_public\": false,\n    \"block_ids\": [\n      \"b_015729a2-f530-40b0-aa65-6f3efadc967e\",\n      \"b_55000bce-0e51-45d6-bd64-3962ec8b948b\"\n    ],\n    \"content_blocks\": [\n      {\n        \"id\": \"b_015729a2-f530-40b0-aa65-6f3efadc967e\",\n        \"type\": \"paragraph\",\n        \"meta\": {},\n        \"content\": \"fdasfsd\"\n      },\n      {\n        \"id\": \"b_55000bce-0e51-45d6-bd64-3962ec8b948b\",\n        \"type\": \"paragraph\",\n        \"meta\": {},\n        \"content\": \"fdsafdsa\"\n      }\n    ]\n  }\n}")
  .asString();
using RestSharp;


var options = new RestClientOptions("https://versuno.ai/api/public/assets/{assetId}/versions");
var client = new RestClient(options);
var request = new RestRequest("");
request.AddHeader("Authorization", "<api-key>");
request.AddJsonBody("{\n  \"assetData\": {\n    \"title\": \"SKILL\",\n    \"content\": \"fdasfsd\\n\\nfdsafdsa\",\n    \"description\": null,\n    \"emoji\": null,\n    \"tags\": [],\n    \"files\": [],\n    \"is_public\": false,\n    \"block_ids\": [\n      \"b_015729a2-f530-40b0-aa65-6f3efadc967e\",\n      \"b_55000bce-0e51-45d6-bd64-3962ec8b948b\"\n    ],\n    \"content_blocks\": [\n      {\n        \"id\": \"b_015729a2-f530-40b0-aa65-6f3efadc967e\",\n        \"type\": \"paragraph\",\n        \"meta\": {},\n        \"content\": \"fdasfsd\"\n      },\n      {\n        \"id\": \"b_55000bce-0e51-45d6-bd64-3962ec8b948b\",\n        \"type\": \"paragraph\",\n        \"meta\": {},\n        \"content\": \"fdsafdsa\"\n      }\n    ]\n  }\n}", false);
var response = await client.PostAsync(request);

Console.WriteLine("{0}", response.Content);
{
  "assetId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "assetType": "prompt",
  "versionNumber": 3,
  "assetData": {
    "title": "SKILL",
    "content": "fdasfsd\n\nfdsafdsa",
    "description": null,
    "emoji": null,
    "tags": [],
    "files": [],
    "is_public": false,
    "block_ids": [
      "b_015729a2-f530-40b0-aa65-6f3efadc967e",
      "b_55000bce-0e51-45d6-bd64-3962ec8b948b"
    ],
    "content_blocks": [
      {
        "id": "b_015729a2-f530-40b0-aa65-6f3efadc967e",
        "type": "paragraph",
        "meta": {},
        "content": "fdasfsd"
      },
      {
        "id": "b_55000bce-0e51-45d6-bd64-3962ec8b948b",
        "type": "paragraph",
        "meta": {},
        "content": "fdsafdsa"
      }
    ]
  },
  "userId": "b2c3d4e5-f6a7-8901-bcde-f12345678901",
  "id": "d4e5f6a7-b8c9-0123-def0-234567890123",
  "commitDescription": "Updated tone to be more empathetic",
  "createdAt": "2026-01-20T14:45:00.000Z",
  "user": {
    "id": "b2c3d4e5-f6a7-8901-bcde-f12345678901",
    "fullName": "Alex Johnson",
    "username": "alexj",
    "avatarUrl": "https://versuno.ai/avatars/alexj.png"
  }
}
{
  "error": "Wrong data: assetType is required"
}
{
  "error": "Invalid API key"
}

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

Body

application/json
​
assetData
object
required

Full snapshot of the asset state to save. Stored and returned as-is.

Example:
{
  "title": "SKILL",
  "content": "fdasfsd\n\nfdsafdsa",
  "description": null,
  "emoji": null,
  "tags": [],
  "files": [],
  "is_public": false,
  "block_ids": [
    "b_015729a2-f530-40b0-aa65-6f3efadc967e",
    "b_55000bce-0e51-45d6-bd64-3962ec8b948b"
  ],
  "content_blocks": [
    {
      "id": "b_015729a2-f530-40b0-aa65-6f3efadc967e",
      "type": "paragraph",
      "meta": {},
      "content": "fdasfsd"
    },
    {
      "id": "b_55000bce-0e51-45d6-bd64-3962ec8b948b",
      "type": "paragraph",
      "meta": {},
      "content": "fdsafdsa"
    }
  ]
}
​
commitDescription
string
Maximum string length: 2000
Example:

"Manual snapshot before refactor"

Response

Newly created version object.

A full-snapshot version checkpoint of an asset.

​
assetId
string<uuid>
required

ID of the asset this version belongs to.

Example:

"a1b2c3d4-e5f6-7890-abcd-ef1234567890"

​
assetType
enum<string>
required

Type of the parent asset.

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

"prompt"

​
versionNumber
integer
required

Monotonically increasing version number within the asset.

Example:

3

​
assetData
object
required

Full snapshot of the asset state at the time this version was saved. Returned exactly as stored (no key normalization).

Example:
{
  "title": "SKILL",
  "content": "fdasfsd\n\nfdsafdsa",
  "description": null,
  "emoji": null,
  "tags": [],
  "files": [],
  "is_public": false,
  "block_ids": [
    "b_015729a2-f530-40b0-aa65-6f3efadc967e",
    "b_55000bce-0e51-45d6-bd64-3962ec8b948b"
  ],
  "content_blocks": [
    {
      "id": "b_015729a2-f530-40b0-aa65-6f3efadc967e",
      "type": "paragraph",
      "meta": {},
      "content": "fdasfsd"
    },
    {
      "id": "b_55000bce-0e51-45d6-bd64-3962ec8b948b",
      "type": "paragraph",
      "meta": {},
      "content": "fdsafdsa"
    }
  ]
}
​
userId
string<uuid>
required

ID of the user who created this version.

Example:

"b2c3d4e5-f6a7-8901-bcde-f12345678901"

​
id
string<uuid>

Unique identifier for this version.

Example:

"d4e5f6a7-b8c9-0123-def0-234567890123"

​
commitDescription
string | null

Optional message describing what changed in this version.

Example:

"Updated tone to be more empathetic"

​
createdAt
string<date-time>

ISO 8601 timestamp when this version was saved.

Example:

"2026-01-20T14:45:00.000Z"

​
user
object

Author profile.