curl --request POST \
  --url https://{host}/v1/commitments/{commitmentId}/decline \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --header 'X-Ambient-Actor: <api-key>' \
  --header 'X-Ambient-Timestamp: <api-key>' \
  --data '
{
  "commandId": "table-decline-1",
  "principalId": "diner-1"
}
'

import requests

url = "https://{host}/v1/commitments/{commitmentId}/decline"

payload = {
    "commandId": "table-decline-1",
    "principalId": "diner-1"
}
headers = {
    "X-Ambient-Actor": "<api-key>",
    "X-Ambient-Timestamp": "<api-key>",
    "Authorization": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'X-Ambient-Actor': '<api-key>',
    'X-Ambient-Timestamp': '<api-key>',
    Authorization: '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({commandId: 'table-decline-1', principalId: 'diner-1'})
};

fetch('https://{host}/v1/commitments/{commitmentId}/decline', 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://{host}/v1/commitments/{commitmentId}/decline",
  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([
    'commandId' => 'table-decline-1',
    'principalId' => 'diner-1'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>",
    "Content-Type: application/json",
    "X-Ambient-Actor: <api-key>",
    "X-Ambient-Timestamp: <api-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://{host}/v1/commitments/{commitmentId}/decline"

	payload := strings.NewReader("{\n  \"commandId\": \"table-decline-1\",\n  \"principalId\": \"diner-1\"\n}")

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

	req.Header.Add("X-Ambient-Actor", "<api-key>")
	req.Header.Add("X-Ambient-Timestamp", "<api-key>")
	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.post("https://{host}/v1/commitments/{commitmentId}/decline")
  .header("X-Ambient-Actor", "<api-key>")
  .header("X-Ambient-Timestamp", "<api-key>")
  .header("Authorization", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"commandId\": \"table-decline-1\",\n  \"principalId\": \"diner-1\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://{host}/v1/commitments/{commitmentId}/decline")

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

request = Net::HTTP::Post.new(url)
request["X-Ambient-Actor"] = '<api-key>'
request["X-Ambient-Timestamp"] = '<api-key>'
request["Authorization"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"commandId\": \"table-decline-1\",\n  \"principalId\": \"diner-1\"\n}"

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

{
  "market": {
    "id": "<string>",
    "version": 2,
    "state": "draft",
    "creator": {
      "principalId": "<string>",
      "actorId": "<string>",
      "authorityRef": "<string>"
    },
    "subject": {
      "schema": "restaurant-table.v1",
      "data": {
        "partySize": 2,
        "startsAt": "2026-09-19T19:00:00Z"
      }
    },
    "mechanism": {
      "presetId": "direct-claim.v1",
      "config": {
        "capacity": 2,
        "pricing": {
          "mode": "free"
        },
        "confirmation": "none",
        "holdDurationSeconds": -1
      }
    },
    "mechanismState": {
      "allocated": 1
    },
    "createdAt": "2023-11-07T05:31:56Z",
    "updatedAt": "2023-11-07T05:31:56Z"
  },
  "commitments": [
    {
      "id": "<string>",
      "version": 2,
      "marketId": "<string>",
      "marketVersion": 2,
      "creatorPrincipalId": "<string>",
      "participantPrincipalId": "<string>",
      "state": "provisional",
      "terms": {
        "subject": {
          "schema": "restaurant-table.v1",
          "data": {
            "partySize": 2,
            "startsAt": "2026-09-19T19:00:00Z"
          }
        },
        "pricing": {
          "mode": "free"
        }
      },
      "createdAt": "2023-11-07T05:31:56Z",
      "updatedAt": "2023-11-07T05:31:56Z",
      "requiredConfirmationPrincipalIds": [
        "<string>"
      ],
      "confirmedPrincipalIds": [
        "<string>"
      ],
      "expiresAt": "2023-11-07T05:31:56Z"
    }
  ],
  "events": [
    {
      "id": "<string>",
      "type": "market.draft_created",
      "marketId": "<string>",
      "marketVersion": 2,
      "commandId": "<string>",
      "principalId": "<string>",
      "actorId": "<string>",
      "occurredAt": "2023-11-07T05:31:56Z",
      "data": {
        "creator": {
          "principalId": "<string>",
          "actorId": "<string>",
          "authorityRef": "<string>"
        },
        "subject": {
          "schema": "restaurant-table.v1",
          "data": {
            "partySize": 2,
            "startsAt": "2026-09-19T19:00:00Z"
          }
        },
        "mechanism": {
          "presetId": "direct-claim.v1",
          "config": {
            "capacity": 2,
            "pricing": {
              "mode": "free"
            },
            "confirmation": "none",
            "holdDurationSeconds": -1
          }
        },
        "mechanismState": {
          "allocated": 1
        }
      },
      "sequence": 2,
      "authorityRef": "<string>"
    }
  ],
  "bidReceipts": [
    {
      "bidId": "<string>",
      "marketId": "<string>",
      "marketVersion": 2,
      "state": "active",
      "submittedAt": "2023-11-07T05:31:56Z"
    }
  ],
  "auctionResolution": {
    "outcome": "no_trade"
  }
}

{
  "error": {
    "code": "invalid_request",
    "message": "<string>"
  }
}

{
  "error": {
    "code": "unauthenticated",
    "message": "request authentication failed"
  }
}

{
  "error": {
    "code": "invalid_request",
    "message": "<string>"
  }
}

{
  "error": {
    "code": "invalid_request",
    "message": "<string>"
  }
}

{
  "error": {
    "code": "invalid_request",
    "message": "<string>"
  }
}

{
  "error": {
    "code": "invalid_request",
    "message": "<string>"
  }
}