curl --request POST \
  --url http://localhost:3917/manifest \
  --header 'Content-Type: application/json' \
  --data '
{
  "description": "5v5 lane pusher",
  "features": [
    {
      "assertions": [
        "hero-exists"
      ],
      "description": "auto-attack",
      "name": "combat",
      "status": "planned"
    }
  ],
  "genre": "moba",
  "name": "My MOBA"
}
'

import requests

url = "http://localhost:3917/manifest"

payload = {
    "description": "5v5 lane pusher",
    "features": [
        {
            "assertions": ["hero-exists"],
            "description": "auto-attack",
            "name": "combat",
            "status": "planned"
        }
    ],
    "genre": "moba",
    "name": "My MOBA"
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    description: '5v5 lane pusher',
    features: [
      {
        assertions: ['hero-exists'],
        description: 'auto-attack',
        name: 'combat',
        status: 'planned'
      }
    ],
    genre: 'moba',
    name: 'My MOBA'
  })
};

fetch('http://localhost:3917/manifest', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_PORT => "3917",
  CURLOPT_URL => "http://localhost:3917/manifest",
  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([
    'description' => '5v5 lane pusher',
    'features' => [
        [
                'assertions' => [
                                'hero-exists'
                ],
                'description' => 'auto-attack',
                'name' => 'combat',
                'status' => 'planned'
        ]
    ],
    'genre' => 'moba',
    'name' => 'My MOBA'
  ]),
  CURLOPT_HTTPHEADER => [
    "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 := "http://localhost:3917/manifest"

	payload := strings.NewReader("{\n  \"description\": \"5v5 lane pusher\",\n  \"features\": [\n    {\n      \"assertions\": [\n        \"hero-exists\"\n      ],\n      \"description\": \"auto-attack\",\n      \"name\": \"combat\",\n      \"status\": \"planned\"\n    }\n  ],\n  \"genre\": \"moba\",\n  \"name\": \"My MOBA\"\n}")

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

	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.post("http://localhost:3917/manifest")
  .header("Content-Type", "application/json")
  .body("{\n  \"description\": \"5v5 lane pusher\",\n  \"features\": [\n    {\n      \"assertions\": [\n        \"hero-exists\"\n      ],\n      \"description\": \"auto-attack\",\n      \"name\": \"combat\",\n      \"status\": \"planned\"\n    }\n  ],\n  \"genre\": \"moba\",\n  \"name\": \"My MOBA\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("http://localhost:3917/manifest")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"description\": \"5v5 lane pusher\",\n  \"features\": [\n    {\n      \"assertions\": [\n        \"hero-exists\"\n      ],\n      \"description\": \"auto-attack\",\n      \"name\": \"combat\",\n      \"status\": \"planned\"\n    }\n  ],\n  \"genre\": \"moba\",\n  \"name\": \"My MOBA\"\n}"

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

{
  "message": "Manifest set with 1 features",
  "ok": true
}