Create a monitor group

Stores a group name, position and optional client association.

POST https://app.upfour.io/v1/monitor-groups

A real request. Sending it changes data in your up4 account.

Authorization

AuthorizationA pls_ key. It stays in this browser tab. Needs monitor.write.

Body

namerequired

More fields2

client_id position

Headers

Idempotency-KeyheaderGenerated automatically when empty. How it works

Sent directly from your browser to https://app.upfour.io/v1. Mutating calls get an automatic Idempotency-Key when the field is empty.

Request

Responsenot sent yet

Fill in a key and press Send request (⌘↵).
The answer appears here.

scope monitor.write stable Idempotency-Key supported returns 201

Body

application/json required 3 fields

namestringrequired

All other fields2 fields

client_iduuid · nullable

positioninteger

Returns

A successful request returns 201 with application/json.

Response fields 1 top-level fields

Field Type Description

data ResourceGroup

ResourceGroup · 9 fields

Field	Type	Description
`created_at`	string (date-time)
`id`	uuid
`kind`	string one of`monitorheartbeat`
`name`	string
`organization_id`	uuid
`position`	integer
`resource_count`	integer
`updated_at`	string (date-time)
`client_id`	uuid

Errors

Only the errors this operation can return. Every error uses the same envelope.

Status	Code	Meaning
400	`bad_request`	The request is malformed or fails validation.
403	`permission_denied`	The credentials do not permit this action.

Every call can also return unauthorized (401), rate_limit_exceeded (429) or internal_error (500 / 502). See Responses and errors.

const res = await fetch("https://app.upfour.io/v1/monitor-groups", { method: "POST", headers: { Authorization: `Bearer ${process.env.UP4_API_KEY}`, "Content-Type": "application/json", }, body: JSON.stringify({ name: "Production", }), }); console.log(res.status, await res.json());

import os import requests res = requests.post( "https://app.upfour.io/v1/monitor-groups", headers={"Authorization": f"Bearer {os.environ['UP4_API_KEY']}"}, json={ "name": "Production", }, ) print(res.status_code, res.json())

package main import ( "fmt" "io" "net/http" "os" "strings" ) func main() { payload := strings.NewReader(`{ "name": "Production" }`) req, _ := http.NewRequest("POST", "https://app.upfour.io/v1/monitor-groups", payload) req.Header.Set("Authorization", "Bearer "+os.Getenv("UP4_API_KEY")) req.Header.Set("Content-Type", "application/json") res, err := http.DefaultClient.Do(req) if err != nil { panic(err) } defer res.Body.Close() out, _ := io.ReadAll(res.Body) fmt.Println(res.StatusCode, string(out)) }

<?php $payload = <<<'JSON' { "name": "Production" } JSON; $ch = curl_init("https://app.upfour.io/v1/monitor-groups"); curl_setopt_array($ch, [ CURLOPT_CUSTOMREQUEST => "POST", CURLOPT_RETURNTRANSFER => true, CURLOPT_HTTPHEADER => [ "Authorization: Bearer " . getenv("UP4_API_KEY"), "Content-Type: application/json", ], CURLOPT_POSTFIELDS => $payload, ]); $response = curl_exec($ch); echo curl_getinfo($ch, CURLINFO_RESPONSE_CODE), " ", $response, "\n"; curl_close($ch);

{ "data": { "created_at": "2026-10-27T09:00:00Z", "id": "00000000-0000-4000-8000-000000000001", "kind": "monitor", "name": "Production", "organization_id": "00000000-0000-4000-8000-000000000002", "position": 0, "resource_count": 0, "updated_at": "2026-10-27T09:00:00Z" } }