curl --request POST \
  --url https://api.ornn.com/v1/markets/orders \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'Idempotency-Key: <idempotency-key>' \
  --data '
{
  "gpuSlug": "nvidia_h100_sxm",
  "nodes": 2,
  "orderType": "market"
}
'

import requests

url = "https://api.ornn.com/v1/markets/orders"

payload = {
    "gpuSlug": "nvidia_h100_sxm",
    "nodes": 2,
    "orderType": "market"
}
headers = {
    "Idempotency-Key": "<idempotency-key>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'Idempotency-Key': '<idempotency-key>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({gpuSlug: 'nvidia_h100_sxm', nodes: 2, orderType: 'market'})
};

fetch('https://api.ornn.com/v1/markets/orders', 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.ornn.com/v1/markets/orders",
  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([
    'gpuSlug' => 'nvidia_h100_sxm',
    'nodes' => 2,
    'orderType' => 'market'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "Idempotency-Key: <idempotency-key>"
  ],
]);

$response = curl_exec($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.ornn.com/v1/markets/orders"

	payload := strings.NewReader("{\n  \"gpuSlug\": \"nvidia_h100_sxm\",\n  \"nodes\": 2,\n  \"orderType\": \"market\"\n}")

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

	req.Header.Add("Idempotency-Key", "<idempotency-key>")
	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.post("https://api.ornn.com/v1/markets/orders")
  .header("Idempotency-Key", "<idempotency-key>")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"gpuSlug\": \"nvidia_h100_sxm\",\n  \"nodes\": 2,\n  \"orderType\": \"market\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.ornn.com/v1/markets/orders")

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

request = Net::HTTP::Post.new(url)
request["Idempotency-Key"] = '<idempotency-key>'
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"gpuSlug\": \"nvidia_h100_sxm\",\n  \"nodes\": 2,\n  \"orderType\": \"market\"\n}"

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

{
  "order": {
    "orderId": "aaaaaaaa-aaaa-4aaa-8aaa-aaaaaaaaaaaa",
    "orderBookId": "bbbbbbbb-bbbb-4bbb-8bbb-bbbbbbbbbbbb",
    "gpuSlug": "nvidia_h100_sxm",
    "saleType": "spot",
    "region": null,
    "side": "bid",
    "orderType": "limit",
    "pricePerGpuHourMicroUsd": 2500000,
    "requested": 16,
    "remaining": 16,
    "filledNodes": 0,
    "filledGpus": 0,
    "fillIds": [],
    "status": "resting",
    "cancelReason": null,
    "createdAt": "2026-10-14T18:30:00.000Z",
    "isMine": true,
    "isSeller": false
  }
}

{
  "order": {
    "orderId": "aaaaaaaa-aaaa-4aaa-8aaa-aaaaaaaaaaaa",
    "orderBookId": "bbbbbbbb-bbbb-4bbb-8bbb-bbbbbbbbbbbb",
    "gpuSlug": "nvidia_h100_sxm",
    "saleType": "spot",
    "region": null,
    "side": "bid",
    "orderType": "market",
    "pricePerGpuHourMicroUsd": null,
    "requested": 16,
    "remaining": 0,
    "filledNodes": 2,
    "filledGpus": 16,
    "fillIds": [
      "dddddddd-dddd-4ddd-8ddd-dddddddddddd"
    ],
    "status": "filled",
    "cancelReason": null,
    "createdAt": "2026-10-14T18:30:00.000Z",
    "isMine": true,
    "isSeller": false
  }
}

{
  "detail": {
    "code": "idempotency_key_required",
    "message": "Send an Idempotency-Key header with this request."
  }
}

{
  "code": "<string>",
  "detail": "<string>"
}

{
  "code": "<string>",
  "detail": "<string>"
}

{
  "detail": {
    "code": "order_book_not_found",
    "message": "There is no order book for that GPU type."
  }
}

{
  "detail": {
    "code": "idempotency_conflict",
    "message": "That request key was already used for a different request."
  }
}

{
  "detail": {
    "code": "nodes_need_market_order",
    "message": "Buy nodes with a market order. A limit bid takes a number of GPUs."
  }
}

{
  "code": "<string>",
  "detail": "<string>"
}