Cancel Call
curl --request POST \
--url https://api.usesimple.ai/api/v1/calls/{uuid}/cancel \
--header 'Authorization: Bearer <token>'import requests
url = "https://api.usesimple.ai/api/v1/calls/{uuid}/cancel"
headers = {"Authorization": "Bearer <token>"}
response = requests.post(url, headers=headers)
print(response.text)const options = {method: 'POST', headers: {Authorization: 'Bearer <token>'}};
fetch('https://api.usesimple.ai/api/v1/calls/{uuid}/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_URL => "https://api.usesimple.ai/api/v1/calls/{uuid}/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 := "https://api.usesimple.ai/api/v1/calls/{uuid}/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("https://api.usesimple.ai/api/v1/calls/{uuid}/cancel")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.usesimple.ai/api/v1/calls/{uuid}/cancel")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
response = http.request(request)
puts response.read_body{
"success": true,
"status": "cancelled",
"uuid": "346fe020-e8c2-4abe-9d40-a4992b016bd6"
}{
"status": "error",
"success": false,
"error": "<string>",
"errors": [
"<string>"
]
}{
"status": "error",
"success": false,
"error": "<string>",
"errors": [
"<string>"
]
}{
"status": "error",
"success": false,
"error": "<string>",
"errors": [
"<string>"
]
}{
"status": "error",
"success": false,
"error": "<string>",
"errors": [
"<string>"
]
}Calls
Cancel an AI Phone Call with the API
Cancel a queued Simple AI outbound phone call before it is placed, using the call’s identifier from the create call response.
POST
/
calls
/
{uuid}
/
cancel
Cancel Call
curl --request POST \
--url https://api.usesimple.ai/api/v1/calls/{uuid}/cancel \
--header 'Authorization: Bearer <token>'import requests
url = "https://api.usesimple.ai/api/v1/calls/{uuid}/cancel"
headers = {"Authorization": "Bearer <token>"}
response = requests.post(url, headers=headers)
print(response.text)const options = {method: 'POST', headers: {Authorization: 'Bearer <token>'}};
fetch('https://api.usesimple.ai/api/v1/calls/{uuid}/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_URL => "https://api.usesimple.ai/api/v1/calls/{uuid}/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 := "https://api.usesimple.ai/api/v1/calls/{uuid}/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("https://api.usesimple.ai/api/v1/calls/{uuid}/cancel")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.usesimple.ai/api/v1/calls/{uuid}/cancel")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
response = http.request(request)
puts response.read_body{
"success": true,
"status": "cancelled",
"uuid": "346fe020-e8c2-4abe-9d40-a4992b016bd6"
}{
"status": "error",
"success": false,
"error": "<string>",
"errors": [
"<string>"
]
}{
"status": "error",
"success": false,
"error": "<string>",
"errors": [
"<string>"
]
}{
"status": "error",
"success": false,
"error": "<string>",
"errors": [
"<string>"
]
}{
"status": "error",
"success": false,
"error": "<string>",
"errors": [
"<string>"
]
}Only calls with status
enqueued can be cancelled. A call that has already started or finished returns 409 Conflict. Cancelling a call that is already cancelled succeeds, so the request is safe to retry.
See the call object guide for the full status lifecycle.Authorizations
Your API key, sent as Authorization: Bearer YOUR_API_KEY
Path Parameters
Last modified on October 9, 2026