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SiteCheck Web Archive Lookup
x402
SiteCheck Web Archive Lookup is a paid API for AI agents from api.sitecheck-api.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-16).
Retrieves historical snapshots and capture history for a public URL from the Internet Archive Wayback Machine
Price / call$0.002
Success—
StatusUnknown
How this service works
Wayback Machine snapshots of a public URL: the capture closest to a date, the list of captures in a date range (one per day, max 500), first and last capture, and mode=diff, which compares the latest snapshot's text with the live page (added and removed lines, max 200 each). Diff is line-based and does not parse JavaScript-rendered pages.
Output
Returns a JSON object containing the first and last capture dates, total capture count, the closest snapshot to a requested date (with its Wayback Machine URL, HTTP status, and timestamp), a list of individual capture entries (each with URL, date, status, and timestamp), the data source attribution, and a checkedAt timestamp.
Example use cases
Recover deleted website content
“The old product page at https://acmecorp.com/products/widget-pro was taken down — can you find archived snapshots of it from the Wayback Machine so I can see what it said?”
Verify when a website launched
“I need to know when https://openai.com first appeared on the internet — can you check the Wayback Machine and tell me the date of its earliest capture?”
Audit a competitor's historic homepage
“Can you get me archived snapshots of https://competitor.com from around 2018-01-01 so I can see what their homepage looked like back then?”
Technical details
Endpoint
GEThttps://api.sitecheck-api.workers.dev/api/web/archive?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to retrieve historical web archive data from the Internet Archive Wayback Machine for a specific URL — including listing all captures over time, finding the closest snapshot to a given date, or filtering captures within a date range. Prefer this over general web scraping tools when the target page no longer exists or has changed, and you need verified historical versions. It is purpose-built for archival research, not live page retrieval.
Side effects
- URL has never been archived — returns empty captures array or no closest snapshot
- Invalid or malformed URL input — request rejected
- URL is not publicly accessible or uses non-http(s) scheme — error returned
- Date parameters in wrong format (not YYYY-MM-DD) — parsing failure
- Internet Archive API unavailable or rate-limited — upstream timeout or error
- Very recent URLs may have no captures yet
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"url": "https://example.com/",
"last": "2007-08-14",
"first": "2002-01-20",
"source": "Internet Archive Wayback Machine (archive.org, availability and CDX APIs) — Internet Archive Terms of Use",
"closest": {
"url": "https://web.archive.org/web/20200101231047/https://example.com/",
"status": "200",
"timestamp": "20200101231047"
},
"captures": [
{
"url": "https://web.archive.org/web/20020120142510/https://example.com/",
"date": "2002-01-20",
"status": "200",
"timestamp": "20020120142510"
},
{
"url": "https://web.archive.org/web/20020328012821/https://example.com/",
"date": "2002-03-28",
"status": "200",
"timestamp": "20020328012821"
},
{
"url": "https://web.archive.org/web/20020524041628/https://example.com/",
"date": "2002-05-24",
"status": "200",
"timestamp": "20020524041628"
}
],
"checkedAt": "2026-10-15T18:26:19.430Z",
"captureCount": 500
}
}Tags
x402
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