curl --request PATCH \
  --url https://api.usecobalt.com/v1/appointments/{id} \
  --header 'Content-Type: application/json' \
  --header 'access_token: <api-key>' \
  --header 'client_id: <api-key>' \
  --header 'client_secret: <api-key>' \
  --data '
{
  "status": "cancelled",
  "note": "Purpose of visit: Annual checkup",
  "cancellation_reason": "Patient Illness",
  "type": "NP",
  "duration": "30",
  "provider": "provider-123",
  "secondary_provider": "provider-456",
  "practice_id": "practice-1",
  "mrn": "12345",
  "datetime": "2026-06-15T14:30:00-07:00",
  "callback_urls": [
    "https://example.com/webhooks/cobalt"
  ]
}
'

import requests

url = "https://api.usecobalt.com/v1/appointments/{id}"

payload = {
    "status": "cancelled",
    "note": "Purpose of visit: Annual checkup",
    "cancellation_reason": "Patient Illness",
    "type": "NP",
    "duration": "30",
    "provider": "provider-123",
    "secondary_provider": "provider-456",
    "practice_id": "practice-1",
    "mrn": "12345",
    "datetime": "2026-06-15T14:30:00-07:00",
    "callback_urls": ["https://example.com/webhooks/cobalt"]
}
headers = {
    "client_id": "<api-key>",
    "client_secret": "<api-key>",
    "access_token": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PATCH',
  headers: {
    client_id: '<api-key>',
    client_secret: '<api-key>',
    access_token: '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    status: 'cancelled',
    note: 'Purpose of visit: Annual checkup',
    cancellation_reason: 'Patient Illness',
    type: 'NP',
    duration: '30',
    provider: 'provider-123',
    secondary_provider: 'provider-456',
    practice_id: 'practice-1',
    mrn: '12345',
    datetime: '2026-06-15T14:30:00-07:00',
    callback_urls: ['https://example.com/webhooks/cobalt']
  })
};

fetch('https://api.usecobalt.com/v1/appointments/{id}', 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.usecobalt.com/v1/appointments/{id}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    'status' => 'cancelled',
    'note' => 'Purpose of visit: Annual checkup',
    'cancellation_reason' => 'Patient Illness',
    'type' => 'NP',
    'duration' => '30',
    'provider' => 'provider-123',
    'secondary_provider' => 'provider-456',
    'practice_id' => 'practice-1',
    'mrn' => '12345',
    'datetime' => '2026-06-15T14:30:00-07:00',
    'callback_urls' => [
        'https://example.com/webhooks/cobalt'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "access_token: <api-key>",
    "client_id: <api-key>",
    "client_secret: <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://api.usecobalt.com/v1/appointments/{id}"

	payload := strings.NewReader("{\n  \"status\": \"cancelled\",\n  \"note\": \"Purpose of visit: Annual checkup\",\n  \"cancellation_reason\": \"Patient Illness\",\n  \"type\": \"NP\",\n  \"duration\": \"30\",\n  \"provider\": \"provider-123\",\n  \"secondary_provider\": \"provider-456\",\n  \"practice_id\": \"practice-1\",\n  \"mrn\": \"12345\",\n  \"datetime\": \"2026-06-15T14:30:00-07:00\",\n  \"callback_urls\": [\n    \"https://example.com/webhooks/cobalt\"\n  ]\n}")

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

	req.Header.Add("client_id", "<api-key>")
	req.Header.Add("client_secret", "<api-key>")
	req.Header.Add("access_token", "<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.patch("https://api.usecobalt.com/v1/appointments/{id}")
  .header("client_id", "<api-key>")
  .header("client_secret", "<api-key>")
  .header("access_token", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"status\": \"cancelled\",\n  \"note\": \"Purpose of visit: Annual checkup\",\n  \"cancellation_reason\": \"Patient Illness\",\n  \"type\": \"NP\",\n  \"duration\": \"30\",\n  \"provider\": \"provider-123\",\n  \"secondary_provider\": \"provider-456\",\n  \"practice_id\": \"practice-1\",\n  \"mrn\": \"12345\",\n  \"datetime\": \"2026-06-15T14:30:00-07:00\",\n  \"callback_urls\": [\n    \"https://example.com/webhooks/cobalt\"\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.usecobalt.com/v1/appointments/{id}")

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

request = Net::HTTP::Patch.new(url)
request["client_id"] = '<api-key>'
request["client_secret"] = '<api-key>'
request["access_token"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"status\": \"cancelled\",\n  \"note\": \"Purpose of visit: Annual checkup\",\n  \"cancellation_reason\": \"Patient Illness\",\n  \"type\": \"NP\",\n  \"duration\": \"30\",\n  \"provider\": \"provider-123\",\n  \"secondary_provider\": \"provider-456\",\n  \"practice_id\": \"practice-1\",\n  \"mrn\": \"12345\",\n  \"datetime\": \"2026-06-15T14:30:00-07:00\",\n  \"callback_urls\": [\n    \"https://example.com/webhooks/cobalt\"\n  ]\n}"

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

{
  "success": true,
  "message": "<string>",
  "appointment_id": "<string>",
  "job_id": 123
}

{
  "success": false,
  "message": "<string>"
}

{
  "success": false,
  "message": "<string>"
}

{
  "success": false,
  "message": "<string>"
}

{
  "success": false,
  "message": "<string>"
}