# Create a scheduled job — API reference > Stores name, expected interval, grace period, signing, group, client and metadata settings. Source: https://upfour.io/docs/api/heartbeats/create-a-scheduled-job [Developers](https://upfour.io/docs/api.md)/[Scheduled jobs (heartbeats)](https://upfour.io/docs/api/heartbeats.md) Stores name, expected interval, grace period, signing, group, client and metadata settings. POST https://app.upfour.io/v1/heartbeats scope heartbeat.write stable [Idempotency-Key supported](https://upfour.io/docs/api/idempotency.md) returns 201 ## Body `application/json` required 8 fields namestring (required) Display name In the app: **Name** All other fields7 fields client_iduuid · nullable Create inside a client (agency mode) In the app: **Client** enable_signingboolean expected_interval_secondsinteger How often the job should check in In the app: **Expect a check-in every** grace_period_secondsinteger Slack on top before the silence alerts In the app: **with a grace period of** heartbeat_group_iduuid · nullable Optional folder In the app: **Group** metadatamap of stringmax 100 keyseach value max length 4096 On update, omitted or null leaves the stored metadata unchanged, {} removes all keys and any other object replaces them. In the app: **Metadata** signing_secretstring · nullable With enable_signing and no secret, up4 generates one. ## Returns A successful request returns `201` with application/json. Response fields 1 top-level fields | Field | Type | Description | | --- | --- | --- | | `data` | Heartbeat | | | Heartbeat · 26 fields FieldTypeDescription `created_at` string (date-time) `expected_interval_seconds` integer `first_ping_at` string (date-time) · nullable `grace_period_seconds` integer `has_signing_secret` boolean `id` uuid `last_outcome_cause` string `last_ping_at` string (date-time) · nullable `name` string `organization_id` uuid `slug` string `status` string one of`up` `down` `paused` `pending` `updated_at` string (date-time) `billing_paused_at` string (date-time) `billing_pauses` BillingPause[] Each item · 2 fields FieldTypeDescription `paused_at` string (date-time) · nullable `resumed_at` string (date-time) · nullable `billing_resumed_at` string (date-time) `client_id` uuid `flapping` HeartbeatFlap HeartbeatFlap · 3 fields FieldTypeDescription `changes_last_hour` integer `next_notice_at` string (date-time) `since` string (date-time) `heartbeat_group_id` uuid `ping_url` string `signing_secret` string Only in the answer to the create or update that set it; has_signing_secret says whether one is set. | | | ## Errors Only the errors this operation can return. Every error uses the [same envelope](https://upfour.io/docs/api/responses.md). | Status | Code | Meaning | | --- | --- | --- | | 400 | [bad_request](https://upfour.io/docs/api/errors#code-bad_request) | The request is malformed or fails validation. | | 402 | [payment_required](https://upfour.io/docs/api/errors#code-payment_required) | The account does not have the credit or plan required for this action. | | 403 | [permission_denied](https://upfour.io/docs/api/errors#code-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](https://upfour.io/docs/api/responses.md). [PreviousList scheduled jobs](https://upfour.io/docs/api/heartbeats/list-scheduled-jobs.md) [NextGet a scheduled job](https://upfour.io/docs/api/heartbeats/get-a-scheduled-job.md) ## Request ### cURL ```bash curl -s -X POST "https://app.upfour.io/v1/heartbeats" \ -H "Authorization: Bearer $UP4_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "expected_interval_seconds": 86400, "grace_period_seconds": 900, "name": "Nightly backup" }' ``` ### JavaScript ```javascript const res = await fetch("https://app.upfour.io/v1/heartbeats", { method: "POST", headers: { Authorization: `Bearer ${process.env.UP4_API_KEY}`, "Content-Type": "application/json", }, body: JSON.stringify({ expected_interval_seconds: 86400, grace_period_seconds: 900, name: "Nightly backup", }), }); console.log(res.status, await res.json()); ``` ### Python ```python import os import requests res = requests.post( "https://app.upfour.io/v1/heartbeats", headers={"Authorization": f"Bearer {os.environ['UP4_API_KEY']}"}, json={ "expected_interval_seconds": 86400, "grace_period_seconds": 900, "name": "Nightly backup", }, ) print(res.status_code, res.json()) ``` ### Go ```go package main import ( "fmt" "io" "net/http" "os" "strings" ) func main() { payload := strings.NewReader(`{ "expected_interval_seconds": 86400, "grace_period_seconds": 900, "name": "Nightly backup" }`) req, _ := http.NewRequest("POST", "https://app.upfour.io/v1/heartbeats", 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 ```php "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); ``` ## Response ### 201 ```json { "data": { "created_at": "2026-10-27T09:00:00Z", "expected_interval_seconds": 86400, "first_ping_at": null, "grace_period_seconds": 900, "has_signing_secret": false, "id": "00000000-0000-4000-8000-000000000001", "last_outcome_cause": "unknown", "last_ping_at": null, "name": "Nightly backup", "organization_id": "00000000-0000-4000-8000-000000000002", "slug": "721378bc96ef2ddece4a66b447ba60d6", "status": "pending", "updated_at": "2026-10-27T09:00:00Z" } } ``` ### 400 ```json { "error": { "code": "bad_request", "message": "The request is malformed or fails validation.", "request_id": "req_…" } } ``` ### 402 ```json { "error": { "code": "payment_required", "message": "The account does not have the credit or plan required for this action.", "request_id": "req_…" } } ``` ### 403 ```json { "error": { "code": "permission_denied", "message": "The credentials do not permit this action.", "request_id": "req_…" } } ```