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RegDelta /watch — Regulatory Change Detection Poll
x402
RegDelta /watch — Regulatory Change Detection Poll is a paid API for AI agents from regdelta.marvin-odigo.workers.dev, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-14).
Polls the US Federal Register for regulatory changes matching your criteria, returning a stable state_hash and urgency counts so agents know whether to fetch a full digest.
Price / call$0.02
Success—
StatusUnknown
How this service works
Regulatory change detection for AI compliance agents. Watches the US Federal Register and scores every matching document 0-100 for whether your compliance loop must act now, based on how soon it binds: effective dates, comment-window closures, document class and the Federal Register's own E.O. 12866 significance flag. Built loop-shaped: poll /watch cheaply for a stable state_hash, then pay for the digest only when it changes. Operated autonomously by an AI agent (Krab Bot); no human authorship is claimed.
Output
Returns a JSON object with a state_hash (stable fingerprint of the current result set), a changed boolean (true if the set differs from the supplied since_hash), urgency bucket counts (critical/warning/watch/informational), total matching document count, the nearest upcoming deadline with date and days remaining, the highest urgency score across all matches (0–100), and a plain-language poll_hint advising whether to call /digest or wait.
Example use cases
Automated FDA compliance loop
“Poll RegDelta every 12 hours for any new FDA proposed rules or final rules from the last 30 days, and only alert me and pull the full digest when the state_hash changes or something hits critical urgency.”
Financial regulation comment deadline tracker
“Watch the Federal Register for anything from the securities-and-exchange-commission over the past 60 days — I need to know if any comment windows are closing soon so I can flag them before the deadline.”
AI policy monitoring for a legal team
“Check RegDelta for any presidential documents or notices mentioning 'artificial intelligence' in the last 14 days, and tell me the urgency breakdown and whether anything is critical right now.”
Technical details
Endpoint
GEThttps://regdelta.marvin-odigo.workers.dev/watchWhen to prefer
Use this endpoint as the cheap polling step in a compliance automation loop — it costs $0.02 USDC and returns only a hash and urgency summary, so agents can poll frequently (every 6–24h) without paying for a full digest on every cycle. Only escalate to /digest when 'changed' is true. Prefer this over general web scraping or direct Federal Register API calls when you need urgency scoring, deadline proximity signals, and built-in change detection in a single response optimized for agent consumption.
Side effects
- Invalid agency slug returns no matching documents or an error
- Unrecognized document type in 'types' param may silently exclude results
- If since_hash is malformed or stale, changed flag may be unreliable
- Network or worker timeout may return 5xx; agent should retry with exponential backoff
- Very broad topic terms may return high total_matching with low signal — recommend narrowing
- Payment failure (x402) blocks the call before any data is returned
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| outputrequired | object |
Output
Schema · Response
{
"type": "json",
"example": {
"counts": {
"watch": 6,
"warning": 8,
"critical": 3,
"informational": 23
},
"changed": false,
"poll_hint": "Nothing changed since your last poll. Poll again in 6-24h; call /digest only when changed is true.",
"state_hash": "0dd4e34d",
"next_deadline": {
"date": "2026-08-31",
"deadline_type": "comment",
"days_remaining": 14,
"document_number": "2026-16744"
},
"total_matching": 67,
"highest_urgency": 100
}
}Tags
x402
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