curl --request PUT \
  --url https://api.zeroruntime.ai/v1/knowledge-bases/{knowledgeId}/markdown \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "markdown": "# Refunds\n\nItems can be returned within 30 days of delivery.",
  "note": "Updated refund window to 30 days"
}
'

import requests

url = "https://api.zeroruntime.ai/v1/knowledge-bases/{knowledgeId}/markdown"

payload = {
    "markdown": "# Refunds

Items can be returned within 30 days of delivery.",
    "note": "Updated refund window to 30 days"
}
headers = {
    "Authorization": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PUT',
  headers: {Authorization: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    markdown: '# Refunds\n\nItems can be returned within 30 days of delivery.',
    note: 'Updated refund window to 30 days'
  })
};

fetch('https://api.zeroruntime.ai/v1/knowledge-bases/{knowledgeId}/markdown', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.zeroruntime.ai/v1/knowledge-bases/{knowledgeId}/markdown",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PUT",
  CURLOPT_POSTFIELDS => json_encode([
    'markdown' => '# Refunds

Items can be returned within 30 days of delivery.',
    'note' => 'Updated refund window to 30 days'
  ]),
  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;
}

package main

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

func main() {

	url := "https://api.zeroruntime.ai/v1/knowledge-bases/{knowledgeId}/markdown"

	payload := strings.NewReader("{\n  \"markdown\": \"# Refunds\\n\\nItems can be returned within 30 days of delivery.\",\n  \"note\": \"Updated refund window to 30 days\"\n}")

	req, _ := http.NewRequest("PUT", 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))

}

HttpResponse<String> response = Unirest.put("https://api.zeroruntime.ai/v1/knowledge-bases/{knowledgeId}/markdown")
  .header("Authorization", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"markdown\": \"# Refunds\\n\\nItems can be returned within 30 days of delivery.\",\n  \"note\": \"Updated refund window to 30 days\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.zeroruntime.ai/v1/knowledge-bases/{knowledgeId}/markdown")

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

request = Net::HTTP::Put.new(url)
request["Authorization"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"markdown\": \"# Refunds\\n\\nItems can be returned within 30 days of delivery.\",\n  \"note\": \"Updated refund window to 30 days\"\n}"

response = http.request(request)
puts response.read_body

{
  "knowledgeId": "k7x2m",
  "name": "Return policy",
  "type": "txt",
  "status": "processing",
  "statusReason": null,
  "failureCode": null,
  "sizeInBytes": null,
  "pageCount": null,
  "sectionCount": null,
  "charCount": null,
  "folderId": null,
  "currentVersion": 1,
  "latestVersion": 2,
  "createdAt": "2026-10-13T09:30:00.000Z",
  "updatedAt": "2026-10-13T10:02:00.000Z"
}

{
  "message": "Invalid payload",
  "errors": {
    "formErrors": [
      "<string>"
    ],
    "fieldErrors": {}
  }
}

{
  "error": "<string>"
}

{
  "message": "Knowledge base not found"
}

{
  "message": "Knowledge base is still processing and cannot be edited yet"
}