# is-signal-org-down-watch

> is-signal-org-down-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 signal.org availability and returns whether its status has changed since the last check, with before/after field diffs

## Facts

- Endpoint: GET https://monitor.intel.rallylive.ca/watch/monitor/is-down/signal-org?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/is-signal-org-down-watch-d4a1d858
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_qkNHpucRCEmwcgwmKswJS

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 is-signal-org-down-watch-d4a1d858
```

Example prompt: Keep an eye on signal.org for me and let me know if its availability status has changed since the last time you checked — I want to know if it's gone down or come back up.

## When to prefer this

Choose this endpoint when you need to detect changes in signal.org's availability over time rather than just a one-time status check. It is ideal for polling workflows, scheduled monitoring, and alerting pipelines where you want to know specifically what changed (before/after diffs) rather than just the current state.

## Known failure modes

- No previous check stored — first call returns current status with changed=false and no diff
- signal.org unreachable from the monitoring edge — may return timeout or error status
- Stale comparison if more than 90 days have elapsed since last call — previous result discarded
- Payment failure at $0.02 USDC per call blocks the check from running

## How this service works

Change watch for is signal org 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 availability status of signal.org, a boolean 'changed' flag indicating whether the status differs from the previous call, a list of fields that changed with before and after values, and a timestamp of when the status was last seen. Results from previous calls are retained for 90 days for comparison.

## 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/is-signal-org-down-watch-d4a1d858/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)