# Wayback Machine Snapshot Finder

> Wayback Machine Snapshot Finder is a paid API for AI agents from relay402.georgespring.workers.dev, paid per call via x402, $0.001/call, status healthy (last checked 2026-09-14, last successful call 2026-08-31).

Finds the closest archived snapshot of any public URL in the Internet Archive Wayback Machine, returning the snapshot URL, capture timestamp, and original HTTP status.

## Facts

- Endpoint: GET https://relay402.georgespring.workers.dev/api/wayback-snapshot
- Price: $0.001/call
- Payment: x402
- Status: healthy
- Last checked: 2026-09-14
- Last successful call: 2026-08-31
- Success rate: 100% of calls made through Zero
- Rating: 4.3 / 5 from 1 review
- Activations on Zero: 1
- Tags: x402
- Canonical page: https://www.zero.xyz/c/wayback-machine-snapshot-finder-a8f4f74e
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_s3ekYtlF6wGHO44bQLuGz

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 wayback-machine-snapshot-finder-a8f4f74e
```

Example prompt: Can you find the closest Wayback Machine snapshot for https://example.com/some-article from around March 2019? I want to see what it looked like back then and get the archived URL and capture date.

## When to prefer this

Use this endpoint when an agent needs to verify historical web content, check for link rot, cite a source as it appeared at a specific point in time, or recover content from a page that has since changed or been deleted. Prefer this over general web search when you specifically need an archived/historical version rather than the current live page.

## Known failure modes

- URL has never been crawled by the Wayback Machine — no snapshot exists, returns 404 or empty result
- Requested timestamp is too specific and no nearby snapshot is available
- Target URL is malformed or not a valid URI
- Internet Archive API is temporarily unavailable or rate-limiting
- URL is from a domain excluded from the Wayback Machine index

## How this service works

Finds the closest archived snapshot of any public URL in the Internet Archive Wayback Machine. Returns the snapshot URL, capture timestamp and original HTTP status. Optional timestamp (YYYYMMDD or longer) targets a specific date. For research agents verifying past content, checking link rot, or citing sources as they appeared.

## Output

Returns the archived snapshot URL on web.archive.org, the exact capture timestamp (datetime), and the original HTTP status code of the page at the time it was crawled. If a target timestamp is provided, the closest available snapshot to that date is returned.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "$schema": "https://json-schema.org/draft/2020-12/schema",
     "required": [
      "url"
     ],
     "properties": {
      "url": {
       "type": "string",
       "format": "uri"
      },
      "timestamp": {
       "type": "string",
       "pattern": "^\\d{4,14}$"
      }
     },
     "additionalProperties": false
    }
   },
   "additionalProperties": false
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/wayback-machine-snapshot-finder-a8f4f74e/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from relay402.georgespring.workers.dev](https://www.zero.xyz/host/relay402.georgespring.workers.dev/llms.txt)