Node.js
import { Hyperbrowser } from "@hyperbrowser/sdk";
const client = new Hyperbrowser();
const invocation = await client.sessions.webmcp.cancel(
"session-id", "invocation-id"
);from hyperbrowser import Hyperbrowser
client = Hyperbrowser()
invocation = client.sessions.webmcp.cancel("session-id", "invocation-id")curl --request POST \
--url https://api.hyperbrowser.ai/api/session/{id}/webmcp/invocations/{invocationId}/cancel \
--header 'x-api-key: <api-key>'<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.hyperbrowser.ai/api/session/{id}/webmcp/invocations/{invocationId}/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 => [
"x-api-key: <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"
"net/http"
"io"
)
func main() {
url := "https://api.hyperbrowser.ai/api/session/{id}/webmcp/invocations/{invocationId}/cancel"
req, _ := http.NewRequest("POST", url, nil)
req.Header.Add("x-api-key", "<api-key>")
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.hyperbrowser.ai/api/session/{id}/webmcp/invocations/{invocationId}/cancel")
.header("x-api-key", "<api-key>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.hyperbrowser.ai/api/session/{id}/webmcp/invocations/{invocationId}/cancel")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["x-api-key"] = '<api-key>'
response = http.request(request)
puts response.read_body{
"invocationId": "<string>",
"toolRef": "<string>",
"status": "running",
"cancellationRequested": true,
"createdAt": "2023-11-07T05:31:56Z",
"expiresAt": "2023-11-07T05:31:56Z",
"result": {
"status": "completed",
"outputBytes": 1,
"untrustedContent": true,
"durationMs": 1,
"invocationId": "<string>",
"output": "<unknown>",
"errorText": "<string>",
"outputTruncated": true,
"outputPreview": "<string>"
},
"error": {
"code": "<string>",
"message": "<string>"
}
}{
"message": "<string>",
"error": "<string>",
"code": "<string>",
"invocationId": "<string>"
}{
"message": "<string>",
"error": "<string>",
"code": "<string>",
"invocationId": "<string>"
}{
"message": "<string>",
"error": "<string>",
"code": "<string>",
"invocationId": "<string>"
}{
"message": "<string>",
"error": "<string>",
"code": "<string>",
"invocationId": "<string>"
}{
"message": "<string>",
"error": "<string>",
"code": "<string>",
"invocationId": "<string>"
}{
"message": "<string>",
"error": "<string>",
"code": "<string>",
"invocationId": "<string>"
}{
"message": "<string>",
"error": "<string>",
"code": "<string>",
"invocationId": "<string>"
}{
"message": "<string>",
"error": "<string>",
"code": "<string>",
"invocationId": "<string>"
}{
"message": "<string>",
"error": "<string>",
"code": "<string>",
"invocationId": "<string>"
}WebMCP
Cancel a WebMCP invocation
Request best-effort cancellation and return the current handle.
POST
/
api
/
session
/
{id}
/
webmcp
/
invocations
/
{invocationId}
/
cancel
Node.js
import { Hyperbrowser } from "@hyperbrowser/sdk";
const client = new Hyperbrowser();
const invocation = await client.sessions.webmcp.cancel(
"session-id", "invocation-id"
);from hyperbrowser import Hyperbrowser
client = Hyperbrowser()
invocation = client.sessions.webmcp.cancel("session-id", "invocation-id")curl --request POST \
--url https://api.hyperbrowser.ai/api/session/{id}/webmcp/invocations/{invocationId}/cancel \
--header 'x-api-key: <api-key>'<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.hyperbrowser.ai/api/session/{id}/webmcp/invocations/{invocationId}/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 => [
"x-api-key: <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"
"net/http"
"io"
)
func main() {
url := "https://api.hyperbrowser.ai/api/session/{id}/webmcp/invocations/{invocationId}/cancel"
req, _ := http.NewRequest("POST", url, nil)
req.Header.Add("x-api-key", "<api-key>")
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.hyperbrowser.ai/api/session/{id}/webmcp/invocations/{invocationId}/cancel")
.header("x-api-key", "<api-key>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.hyperbrowser.ai/api/session/{id}/webmcp/invocations/{invocationId}/cancel")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["x-api-key"] = '<api-key>'
response = http.request(request)
puts response.read_body{
"invocationId": "<string>",
"toolRef": "<string>",
"status": "running",
"cancellationRequested": true,
"createdAt": "2023-11-07T05:31:56Z",
"expiresAt": "2023-11-07T05:31:56Z",
"result": {
"status": "completed",
"outputBytes": 1,
"untrustedContent": true,
"durationMs": 1,
"invocationId": "<string>",
"output": "<unknown>",
"errorText": "<string>",
"outputTruncated": true,
"outputPreview": "<string>"
},
"error": {
"code": "<string>",
"message": "<string>"
}
}{
"message": "<string>",
"error": "<string>",
"code": "<string>",
"invocationId": "<string>"
}{
"message": "<string>",
"error": "<string>",
"code": "<string>",
"invocationId": "<string>"
}{
"message": "<string>",
"error": "<string>",
"code": "<string>",
"invocationId": "<string>"
}{
"message": "<string>",
"error": "<string>",
"code": "<string>",
"invocationId": "<string>"
}{
"message": "<string>",
"error": "<string>",
"code": "<string>",
"invocationId": "<string>"
}{
"message": "<string>",
"error": "<string>",
"code": "<string>",
"invocationId": "<string>"
}{
"message": "<string>",
"error": "<string>",
"code": "<string>",
"invocationId": "<string>"
}{
"message": "<string>",
"error": "<string>",
"code": "<string>",
"invocationId": "<string>"
}{
"message": "<string>",
"error": "<string>",
"code": "<string>",
"invocationId": "<string>"
}See the WebMCP guide for SDK examples and invocation lifecycle details.
Authorizations
Response
Success
Ephemeral, session-local handle. Pending states have no result or error. A terminal handle may contain a result or an error. Lost on receiver restart, session rebind, or browser shutdown. At most 16 active and 64 retained; terminal results expire after 10 minutes and may be evicted sooner.
Pattern:
^[a-f0-9]{24}$Available options:
running, awaiting_submission, completed, error, canceled, outcome_unknown Whether cancellation was requested, regardless of the final outcome.
Nominal terminal-result expiry. Results may be evicted earlier.
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