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RegDelta — Regulatory Change Detection Digest
x402
RegDelta — Regulatory Change Detection Digest is a paid API for AI agents from regdelta.marvin-odigo.workers.dev, paid per call via x402, $0.04/call, status unknown (last checked 2026-10-12).
Fetches a scored digest of recent US Federal Register documents with urgency ratings and required compliance actions for AI compliance agents
Price / call$0.04
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 digest containing a state hash (for cheap polling), document counts by severity bucket (critical/warning/watch/informational), total matching documents, and an array of up to 100 scored documents each with title, type, urgency score (0–100), severity label, EO 12866 significance flag, effective date, days until effective, and required compliance actions.
Example use cases
Critical FDA compliance alert
“Check RegDelta for any FDA rules published in the last 14 days, show me up to 20 documents, and tell me which ones are critical or warning severity so I know what requires immediate compliance action.”
Financial services regulatory watch
“Give me a RegDelta digest of proposed rules and notices from the last 30 days related to 'banking' — limit 40 documents — and list everything that's significant under EO 12866 with its urgency score.”
Open comment window tracking
“Use RegDelta to find proposed rules from the last 7 days across all agencies, up to 50 documents, and highlight any with comment deadlines closing soon so I can prioritize my team's submissions.”
Technical details
Endpoint
GEThttps://regdelta.marvin-odigo.workers.dev/digest?utm_source=zero.xyzWhen to prefer
Choose this endpoint when an AI compliance agent needs a scored, urgency-ranked digest of Federal Register documents with actionable compliance deadlines — especially when using a poll-then-fetch pattern (checking /watch for state_hash changes before paying for the full digest). Best for automated compliance loops that must detect binding regulatory changes quickly without human review of raw Federal Register feeds.
Side effects
- Payment required (402) if x402 payment header is missing or USDC payment of $0.04 fails
- Invalid agency slug returns empty results or error
- days or limit parameters out of accepted range may return validation error
- topic keyword with no matches returns empty document array but valid response structure
- Federal Register API downtime upstream may cause stale or missing results
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
},
"returned": 40,
"documents": [
{
"type": "Rule",
"title": "Establishing a Fixed Time Period of Admission",
"urgency": 90,
"severity": "critical",
"significant": true,
"effective_on": "2026-09-15",
"document_number": "2026-16247",
"required_actions": [
"Compliance required by 2026-09-15"
],
"days_until_effective": 29
}
],
"state_hash": "0dd4e34d",
"total_matching": 67
}
}Tags
x402
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