Catch Regulatory & Policy Changes — With a Timestamped Record of Each One

# Watch a regulator page — Rendex renders it in real Chrome on a schedule,
# runs a before/after visual + text diff, and alerts you the moment it changes.
curl -X POST https://api.rendex.dev/v1/watches \
  -H "Authorization: Bearer rdx_your_key" \
  -H "Content-Type: application/json" \
  -d '{
    "url": "https://regulator.example.gov/guidance/aml",
    "name": "AML guidance page",
    "diffMode": "both",
    "threshold": 0.01,
    "intervalMinutes": 1440,
    "webhookUrl": "https://hooks.yourapp.com/compliance-watch",
    "renderParams": { "fullPage": true }
  }'
# Rendex captures the baseline now, re-checks daily, and POSTs your webhook
# (with a highlighted diff overlay + text diff) the moment the guidance changes.

// Monitor a vendor's Terms / DPA for silent edits — POST /v1/watches.
const res = await fetch("https://api.rendex.dev/v1/watches", {
  method: "POST",
  headers: {
    Authorization: "Bearer rdx_your_key",
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    url: "https://vendor.example.com/legal/terms",
    name: "Vendor Terms of Service",
    diffMode: "both",            // visual + text diff of the clauses
    threshold: 0.01,
    intervalMinutes: 1440,       // daily
    notifyEmail: "compliance@youraccount.com", // must be your own account email
    renderParams: { fullPage: true },
  }),
});

const { data: watch } = await res.json();
console.log(`Watching ${watch.url} — next check ${watch.nextRunAt}`);

# Own the chain of custody: capture a timestamped snapshot of a source on
# your own schedule and keep it as dated evidence of what the page said.
from rendex import Rendex
from pathlib import Path
from datetime import datetime, timezone

rendex = Rendex("YOUR_API_KEY")

def archive(url: str, label: str) -> None:
    result = rendex.screenshot(url=url, full_page=True, format="png")
    stamp = datetime.now(timezone.utc).strftime("%Y%m%dT%H%M%SZ")
    out = Path(f"evidence/{label}/{stamp}.png")
    out.parent.mkdir(parents=True, exist_ok=True)
    out.write_bytes(result.image)
    # result carries the final URL + HTTP status for your audit log.
    print(f"Archived {url} at {stamp} (status {result.status})")

archive("https://sanctions.example.int/list", "sanctions-list")