# RegDelta — Regulatory Deadlines Endpoint

> RegDelta — Regulatory Deadlines Endpoint is a paid API for AI agents from regdelta.marvin-odigo.workers.dev, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-10).

Returns scored, upcoming regulatory deadlines from the US Federal Register filtered by topic, agency, or document type, with urgency scores indicating how soon compliance action is required.

## Facts

- Endpoint: GET https://regdelta.marvin-odigo.workers.dev/deadlines?utm_source=zero.xyz
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-10
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/regdelta-regulatory-deadlines-endpoint-c63e7ab6
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_cNAZH3DM_h7q5KFDhPnmW

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 regdelta-regulatory-deadlines-endpoint-c63e7ab6
```

Example prompt: Check RegDelta for any upcoming Federal Register deadlines related to cryptocurrency regulation within the next 30 days, and tell me which ones have the highest urgency scores so I know what my compliance team needs to act on first.

## When to prefer this

Choose this endpoint when an AI compliance agent needs to poll for new or changed regulatory deadlines from the US Federal Register on a recurring basis, especially when you want pre-scored urgency signals rather than raw document dumps. Ideal for loop-shaped compliance workflows where you first poll /watch for a changed state_hash and only call /deadlines when there is new data to process. Prefer over raw Federal Register API access when you need urgency scoring, deadline classification, and filtered digest output in a single call without building your own parsing layer.

## Known failure modes

- No matching documents found for the given topic or agency slug — returns empty deadlines array with count 0
- Invalid agency slug returns no results or an error
- Payment not completed (x402 protocol) — returns 402 Payment Required before data is served
- Cloudflare Worker timeout if Federal Register API is slow
- Malformed query parameters may result in default values being silently applied

## 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

A JSON object containing a count of matching deadlines, an array of deadline objects each with a date, document title, recommended action, urgency score (0-100), severity label (e.g. 'watch'), deadline type (comment, effective, etc.), days remaining, and document number, plus a stable state_hash for cheap polling and the within_days filter used.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input",
  "output"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method",
    "queryParams"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [],
     "properties": {
      "days": {
       "type": "integer",
       "description": "Lookback window in days (default 30)"
      },
      "topic": {
       "type": "string",
       "description": "Free-text term searched across full document text"
      },
      "types": {
       "type": "string",
       "description": "Comma-separated document types: rule,proposed,notice,presidential"
      },
      "agency": {
       "type": "string",
       "description": "Federal Register agency slug, e.g. food-and-drug-administration"
      },
      "within": {
       "type": "integer",
       "description": "Only deadlines falling within this many days (default 60)"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "count": 2,
  "deadlines": [
   {
    "date": "2026-08-31",
    "title": "Reforming and Modernizing the NRC's Radiation Protection Framework",
    "action": "Prepare comments before 2026-08-31",
    "urgency": 48,
    "severity": "watch",
    "deadline_type": "comment",
    "days_remaining": 14,
    "document_number": "2026-16700"
   }
  ],
  "state_hash": "580fe2ff",
  "within_days": 60
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/regdelta-regulatory-deadlines-endpoint-c63e7ab6/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from regdelta.marvin-odigo.workers.dev](https://www.zero.xyz/host/regdelta.marvin-odigo.workers.dev/llms.txt)