curl --request POST \
  --url https://api.ornn.com/v1/markets/schedules/{listingId}/offers \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'Idempotency-Key: <idempotency-key>' \
  --data '
{
  "listingTermId": "88888888-8888-4888-8888-888888888888",
  "durationSeconds": 2592000,
  "pricePerGpuHourMicroUsd": 2400000,
  "downPaymentCents": 500000
}
'

import requests

url = "https://api.ornn.com/v1/markets/schedules/{listingId}/offers"

payload = {
    "listingTermId": "88888888-8888-4888-8888-888888888888",
    "durationSeconds": 2592000,
    "pricePerGpuHourMicroUsd": 2400000,
    "downPaymentCents": 500000
}
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({
    listingTermId: '88888888-8888-4888-8888-888888888888',
    durationSeconds: 2592000,
    pricePerGpuHourMicroUsd: 2400000,
    downPaymentCents: 500000
  })
};

fetch('https://api.ornn.com/v1/markets/schedules/{listingId}/offers', 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/schedules/{listingId}/offers",
  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([
    'listingTermId' => '88888888-8888-4888-8888-888888888888',
    'durationSeconds' => 2592000,
    'pricePerGpuHourMicroUsd' => 2400000,
    'downPaymentCents' => 500000
  ]),
  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/schedules/{listingId}/offers"

	payload := strings.NewReader("{\n  \"listingTermId\": \"88888888-8888-4888-8888-888888888888\",\n  \"durationSeconds\": 2592000,\n  \"pricePerGpuHourMicroUsd\": 2400000,\n  \"downPaymentCents\": 500000\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/schedules/{listingId}/offers")
  .header("Idempotency-Key", "<idempotency-key>")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"listingTermId\": \"88888888-8888-4888-8888-888888888888\",\n  \"durationSeconds\": 2592000,\n  \"pricePerGpuHourMicroUsd\": 2400000,\n  \"downPaymentCents\": 500000\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.ornn.com/v1/markets/schedules/{listingId}/offers")

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  \"listingTermId\": \"88888888-8888-4888-8888-888888888888\",\n  \"durationSeconds\": 2592000,\n  \"pricePerGpuHourMicroUsd\": 2400000,\n  \"downPaymentCents\": 500000\n}"

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

{
  "offer": {
    "offerId": "99999999-9999-4999-8999-999999999999",
    "listingId": "77777777-7777-4777-8777-777777777777",
    "listingTermId": "88888888-8888-4888-8888-888888888888",
    "startsAt": "2026-10-15T00:00:00.000Z",
    "endsAt": "2026-11-14T00:00:00.000Z",
    "pricePerGpuHourMicroUsd": 2400000,
    "downPaymentCents": 500000,
    "status": "open",
    "cancelReason": null,
    "createdAt": "2026-10-14T18:30:00.000Z",
    "acceptedAt": null,
    "isMine": true,
    "onMyListing": false
  }
}

{
  "offer": {
    "offerId": "99999999-9999-4999-8999-999999999999",
    "listingId": "77777777-7777-4777-8777-777777777777",
    "listingTermId": "88888888-8888-4888-8888-888888888888",
    "startsAt": "2026-10-15T00:00:00.000Z",
    "endsAt": "2026-11-14T00:00:00.000Z",
    "pricePerGpuHourMicroUsd": 2400000,
    "downPaymentCents": 500000,
    "status": "open",
    "cancelReason": null,
    "createdAt": "2026-10-14T18:30:00.000Z",
    "acceptedAt": null,
    "isMine": true,
    "onMyListing": false
  }
}

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

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

{
  "detail": {
    "code": "cannot_offer_on_own_listing",
    "message": "You cannot make an offer on your own listing."
  }
}

{
  "detail": {
    "code": "schedule_not_found",
    "message": "Ornn could not find that listing."
  }
}

{
  "detail": {
    "code": "window_unavailable",
    "message": "Part of this window is already reserved."
  }
}

{
  "detail": {
    "code": "invalid_listing_term",
    "message": "Choose an available listing term."
  }
}

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