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Source Change Portfolio Monitor
x402
Source Change Portfolio Monitor is a paid API for AI agents from evidence.regulavita.com, paid per call via x402, $9/call, status unknown (last checked 2026-09-15).
Creates and activates a portfolio of web source change monitors that periodically check URLs for updates and returns access tokens and status URLs for each monitor.
Price / call$9
Success—
StatusUnknown
How this service works
One-call isolated Python execution, brokered machine work, source monitoring, and factual evidence for autonomous agents, payable with no account or API key.
Output
Returns a JSON object containing a portfolio ID, list of monitor objects each with a unique monitor_id, a status_url for polling, and an access_token (returned only once after payment), plus an expires_at timestamp, the total source_count, and the configured check_interval_seconds.
Example use cases
Regulatory filing surveillance for compliance
“Create a portfolio of source monitors to check these five regulatory agency pages every 6 hours and give me the access tokens so I can poll status later: https://agency.gov/notices, https://agency.gov/rules, https://agency.gov/guidance, https://agency.gov/alerts, and https://agency.gov/enforcement.”
Competitor pricing page tracking
“I want to watch three competitor pricing pages for any updates — set up change monitors for https://companyA.com/pricing, https://companyB.com/plans, and https://companyC.com/pricing, checking every 6 hours, and return the monitor status URLs so my agent can follow up.”
Research source freshness monitoring
“My research agent needs to know when its reference sources change — spin up a monitor portfolio for https://datasource1.org/index.json and https://datasource2.org/feed.xml with a 6-hour check interval and send back the access tokens and portfolio ID.”
Technical details
Endpoint
POSThttps://evidence.regulavita.com/v1/monitors/source-change-portfolioWhen to prefer
Choose this endpoint when an autonomous agent needs to set up ongoing, periodic surveillance of multiple public web sources in a single call without maintaining infrastructure. It is particularly suited for agents that need to delegate monitoring work to a managed service, receive one-time access credentials, and later poll status asynchronously. Prefer it over DIY polling loops when no-account, pay-per-call access is required and the agent cannot maintain persistent connections.
Side effects
- Invalid or unreachable source URLs result in monitor creation failure or inactive status
- Payment not received causes request rejection with no monitors created
- Malformed request body missing required source list returns validation error
- Expired portfolio causes status URLs to return inactive or 404 responses
- Access token lost after initial return cannot be recovered — single-use delivery
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"status": "ACTIVE",
"monitors": [
{
"monitor_id": "mon_example",
"status_url": "https://evidence.regulavita.com/v1/monitors/mon_example",
"access_token": "returned_once_after_payment"
}
],
"expires_at": "2026-09-12T00:00:00+00:00",
"portfolio_id": "portfolio_example",
"source_count": 2,
"check_interval_seconds": 21600
}
}Tags
x402
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