x402AgentTools

๐Ÿ›๏ธArchive Lookup (Wayback)

Query the Internet Archive's Wayback index for any URL: when it was first archived, the most recent snapshot, how many years it spans, and recent capture dates. Useful for fact-checking page history, finding deleted content and due-diligence.

๐Ÿ”Œ Server-side tool

This tool runs on the server (it fetches third-party URLs directly and cannot run in your browser). Use the paid JSON API below โ€” the worked examples show real server-side results and refresh automatically.

Worked examples

example.com history

GET /api/v1/dev/archive-lookup?url=example.com

Result: Archived 20020120 โ†’ 20261001 (24 years of history)

Machine API (x402)

$0.002 / call

This tool is also a JSON API for AI agents. Requests without payment receive 402 Payment Required plus instructions; agents pay USDC on Base via the x402 protocol โ€” no accounts, no API keys.

GET /api/v1/dev/archive-lookup?url=example.com HTTP/1.1
Host: agenttools-hub.vercel.app

โ†’ 402 (payment required, instructions in headers)
โ†’ 200 (after X-PAYMENT header; JSON body below)

{
  "tool": "dev/archive-lookup",
  "input": {"url":"example.com"},
  "result": { "value": null, "answer": "" }
}

Agent docs: /llms.txt ยท OpenAPI spec ยท integration guide

About this tool

Ask the Internet Archive about any URL: the first time it was captured, the most recent snapshot, and the span of history between. Agents use this for fact-checking page changes, recovering deleted content and verifying how long a business or claim has existed.

Frequently asked questions

Does no result mean the site never existed?

It means the Archive has no successful (HTTP 200) capture. Sites can exist uncrawled, and failed captures (4xx/5xx) are filtered out here.

Can I read the archived page?

Yes โ€” the response includes a replay URL for the latest snapshot in the form web.archive.org/web/{timestamp}/{url}.

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