curl --request PUT \
  --url https://console.vast.ai/api/v1/template \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "id": 123456,
  "hash_id": "5915f1dc1ce881defb572015eb9d8178",
  "name": "Example Template",
  "desc": "Updated description",
  "image": "vastai/base-image",
  "tag": "latest",
  "env": "-e MY_VAR=value -p 8000:8000",
  "runtype": "ssh",
  "ssh_direct": true,
  "use_ssh": true,
  "docker_login_repo": "",
  "docker_login_user": "",
  "docker_login_pass": "",
  "recommended_disk_space": 16,
  "private": true
}
'

import requests

url = "https://console.vast.ai/api/v1/template"

payload = {
    "id": 123456,
    "hash_id": "5915f1dc1ce881defb572015eb9d8178",
    "name": "Example Template",
    "desc": "Updated description",
    "image": "vastai/base-image",
    "tag": "latest",
    "env": "-e MY_VAR=value -p 8000:8000",
    "runtype": "ssh",
    "ssh_direct": True,
    "use_ssh": True,
    "docker_login_repo": "",
    "docker_login_user": "",
    "docker_login_pass": "",
    "recommended_disk_space": 16,
    "private": True
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PUT',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    id: 123456,
    hash_id: '5915f1dc1ce881defb572015eb9d8178',
    name: 'Example Template',
    desc: 'Updated description',
    image: 'vastai/base-image',
    tag: 'latest',
    env: '-e MY_VAR=value -p 8000:8000',
    runtype: 'ssh',
    ssh_direct: true,
    use_ssh: true,
    docker_login_repo: '',
    docker_login_user: '',
    docker_login_pass: '',
    recommended_disk_space: 16,
    private: true
  })
};

fetch('https://console.vast.ai/api/v1/template', 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://console.vast.ai/api/v1/template",
  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([
    'id' => 123456,
    'hash_id' => '5915f1dc1ce881defb572015eb9d8178',
    'name' => 'Example Template',
    'desc' => 'Updated description',
    'image' => 'vastai/base-image',
    'tag' => 'latest',
    'env' => '-e MY_VAR=value -p 8000:8000',
    'runtype' => 'ssh',
    'ssh_direct' => true,
    'use_ssh' => true,
    'docker_login_repo' => '',
    'docker_login_user' => '',
    'docker_login_pass' => '',
    'recommended_disk_space' => 16,
    'private' => true
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "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://console.vast.ai/api/v1/template"

	payload := strings.NewReader("{\n  \"id\": 123456,\n  \"hash_id\": \"5915f1dc1ce881defb572015eb9d8178\",\n  \"name\": \"Example Template\",\n  \"desc\": \"Updated description\",\n  \"image\": \"vastai/base-image\",\n  \"tag\": \"latest\",\n  \"env\": \"-e MY_VAR=value -p 8000:8000\",\n  \"runtype\": \"ssh\",\n  \"ssh_direct\": true,\n  \"use_ssh\": true,\n  \"docker_login_repo\": \"\",\n  \"docker_login_user\": \"\",\n  \"docker_login_pass\": \"\",\n  \"recommended_disk_space\": 16,\n  \"private\": true\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	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://console.vast.ai/api/v1/template")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"id\": 123456,\n  \"hash_id\": \"5915f1dc1ce881defb572015eb9d8178\",\n  \"name\": \"Example Template\",\n  \"desc\": \"Updated description\",\n  \"image\": \"vastai/base-image\",\n  \"tag\": \"latest\",\n  \"env\": \"-e MY_VAR=value -p 8000:8000\",\n  \"runtype\": \"ssh\",\n  \"ssh_direct\": true,\n  \"use_ssh\": true,\n  \"docker_login_repo\": \"\",\n  \"docker_login_user\": \"\",\n  \"docker_login_pass\": \"\",\n  \"recommended_disk_space\": 16,\n  \"private\": true\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://console.vast.ai/api/v1/template")

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

request = Net::HTTP::Put.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"id\": 123456,\n  \"hash_id\": \"5915f1dc1ce881defb572015eb9d8178\",\n  \"name\": \"Example Template\",\n  \"desc\": \"Updated description\",\n  \"image\": \"vastai/base-image\",\n  \"tag\": \"latest\",\n  \"env\": \"-e MY_VAR=value -p 8000:8000\",\n  \"runtype\": \"ssh\",\n  \"ssh_direct\": true,\n  \"use_ssh\": true,\n  \"docker_login_repo\": \"\",\n  \"docker_login_user\": \"\",\n  \"docker_login_pass\": \"\",\n  \"recommended_disk_space\": 16,\n  \"private\": true\n}"

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

{
  "success": true,
  "msg": "Created an Edited Copy of Template 123456. New Template ID: 123457",
  "template": {
    "id": 123,
    "hash_id": "<string>"
  }
}

{
  "success": false,
  "error": "invalid_args",
  "msg": "Template ID is required for update"
}

{
  "success": false,
  "error": "invalid_template",
  "msg": "error 404: Template not found"
}