curl --request POST \
  --url http://127.0.0.1:8189/api/v2/jobs/{id}/cancel \
  --header 'Authorization: Bearer <token>'

import requests

url = "http://127.0.0.1:8189/api/v2/jobs/{id}/cancel"

headers = {"Authorization": "Bearer <token>"}

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

print(response.text)

const options = {method: 'POST', headers: {Authorization: 'Bearer <token>'}};

fetch('http://127.0.0.1:8189/api/v2/jobs/{id}/cancel', 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 => "8189",
  CURLOPT_URL => "http://127.0.0.1:8189/api/v2/jobs/{id}/cancel",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "http://127.0.0.1:8189/api/v2/jobs/{id}/cancel"

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

	req.Header.Add("Authorization", "Bearer <token>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("http://127.0.0.1:8189/api/v2/jobs/{id}/cancel")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("http://127.0.0.1:8189/api/v2/jobs/{id}/cancel")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'

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

{
  "id": "7f3d2c1b-9a8e-4d6f-b012-3c4d5e6f7a8b",
  "status": "queued",
  "created_at": "2023-11-07T05:31:56Z",
  "started_at": "2023-11-07T05:31:56Z",
  "completed_at": "2023-11-07T05:31:56Z",
  "expires_at": "2023-11-07T05:31:56Z",
  "queue_position": 123,
  "progress": {
    "value": 0.42,
    "nodes_done": 11,
    "nodes_total": 31,
    "current_node": "12",
    "current_node_class": "KSampler",
    "step": 21,
    "steps": 50,
    "message": "KSampler 21/50"
  },
  "outputs": [
    {
      "node_id": "9",
      "name": "ComfyUI_00001_.png",
      "type": "image",
      "content_type": "image/png",
      "size_bytes": 1848320,
      "id": "9f8a1c0d-2b3e-4f56-...",
      "hash": "<string>",
      "url": "<string>",
      "url_expires_at": "2023-11-07T05:31:56Z",
      "job_id": "<string>"
    }
  ],
  "error": {
    "code": "node_execution_error",
    "message": "<string>",
    "node_id": "<string>",
    "class_type": "<string>",
    "traceback": "<string>",
    "node_errors": {
      "22": {
        "class_type": "LoraLoader",
        "errors": [
          {
            "type": "value_not_in_list",
            "message": "Value not in list",
            "details": "lora_name: 'sdxl\\Hyper-SDXL-8steps-lora.safetensors' not in (list of length 40)"
          }
        ]
      }
    }
  },
  "urls": {
    "self": "<string>",
    "events": "<string>",
    "cancel": "<string>",
    "logs": "<string>"
  },
  "metrics": {
    "queue_ms": 9000,
    "execution_ms": 42000
  },
  "deployment_id": "dep-0f19a2b3c4d5",
  "release_id": "7c1e9a40-3b2d-4f6a-9e81-0c5d2a7b4f13"
}

{
  "error": {
    "code": "invalid_workflow",
    "message": "Node 12 (KSampler): required input 'model' is not connected",
    "details": {
      "node_errors": {
        "12": {
          "class_type": "SomeCustomNode",
          "errors": [
            {
              "type": "unknown_node_class",
              "message": "this deployment's build does not contain the node class SomeCustomNode."
            }
          ]
        }
      },
      "unknown_node_classes": [
        "SomeCustomNode"
      ]
    }
  }
}

{
  "error": {
    "code": "invalid_workflow",
    "message": "Node 12 (KSampler): required input 'model' is not connected",
    "details": {
      "node_errors": {
        "12": {
          "class_type": "SomeCustomNode",
          "errors": [
            {
              "type": "unknown_node_class",
              "message": "this deployment's build does not contain the node class SomeCustomNode."
            }
          ]
        }
      },
      "unknown_node_classes": [
        "SomeCustomNode"
      ]
    }
  }
}

{
  "error": {
    "code": "invalid_workflow",
    "message": "Node 12 (KSampler): required input 'model' is not connected",
    "details": {
      "node_errors": {
        "12": {
          "class_type": "SomeCustomNode",
          "errors": [
            {
              "type": "unknown_node_class",
              "message": "this deployment's build does not contain the node class SomeCustomNode."
            }
          ]
        }
      },
      "unknown_node_classes": [
        "SomeCustomNode"
      ]
    }
  }
}

{
  "error": {
    "code": "invalid_workflow",
    "message": "Node 12 (KSampler): required input 'model' is not connected",
    "details": {
      "node_errors": {
        "12": {
          "class_type": "SomeCustomNode",
          "errors": [
            {
              "type": "unknown_node_class",
              "message": "this deployment's build does not contain the node class SomeCustomNode."
            }
          ]
        }
      },
      "unknown_node_classes": [
        "SomeCustomNode"
      ]
    }
  }
}

{
  "error": {
    "code": "invalid_workflow",
    "message": "Node 12 (KSampler): required input 'model' is not connected",
    "details": {
      "node_errors": {
        "12": {
          "class_type": "SomeCustomNode",
          "errors": [
            {
              "type": "unknown_node_class",
              "message": "this deployment's build does not contain the node class SomeCustomNode."
            }
          ]
        }
      },
      "unknown_node_classes": [
        "SomeCustomNode"
      ]
    }
  }
}