# Heroku Down Status Change Watch

> Heroku Down Status Change Watch is a paid API for AI agents from monitor.intel.rallylive.ca, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-02).

Monitors whether heroku.com is down, detects changes from the previous check, and returns current status with a changed flag and before/after field diffs.

## Facts

- Endpoint: GET https://monitor.intel.rallylive.ca/watch/monitor/is-down/heroku-com?utm_source=zero.xyz
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-02
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/heroku-down-status-change-watch-7814c5e5
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_JDBC5tSfwkmPIJ-NUDfTo

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability heroku-down-status-change-watch-7814c5e5
```

Example prompt: Keep an eye on heroku.com for me — check if it's down and let me know if the status has changed since the last time you checked.

## When to prefer this

Choose this endpoint when you need change-aware monitoring of heroku.com specifically — not just a point-in-time uptime check. It is ideal for scheduled agents that need to be notified only when heroku's availability status flips, avoiding repeated alerts for the same state. Use it over generic uptime checkers when you want built-in diffing and a 90-day result history per query.

## Known failure modes

- No previous result stored (first call returns current status with no comparison)
- Previous result expired after 90 days, losing change baseline
- heroku.com check itself fails due to network issues, returning an error instead of a status
- Payment failure for the $0.02 per-call fee blocks the request

## How this service works

Change watch for is heroku com down: runs the check, compares it with the result from your previous call for the same query (kept 90 days) and returns the current answer, changed true/false, the fields that changed with before/after values, and when it was last seen. Schedule it to be alerted when this changes. $0.02 per check.

## Output

Returns the current down/up status of heroku.com, a boolean 'changed' flag indicating whether the status differs from the previous call (retained for 90 days), a list of fields that changed with their before and after values, and a timestamp of when the status was last observed.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {}
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/heroku-down-status-change-watch-7814c5e5/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from monitor.intel.rallylive.ca](https://www.zero.xyz/host/monitor.intel.rallylive.ca/llms.txt)