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Playground demo key · api.reefapi.com
post/web-archive/v1/history1 credit

Lifespan + capture cadence for a URL: EXACT first_seen/last_seen + span, plus per-year capture counts and status/mime breakdown — the SEO/due-diligence summary.

Working example
Parameters

Earliest capture to include. ISO date (YYYY-MM-DD) or a Wayback timestamp (YYYYMMDDhhmmss, any 4-14 digit prefix). Inclusive.

Latest capture to include. ISO date or Wayback timestamp prefix. Inclusive.

The URL, host, or path to look up in the archive (e.g. 'github.com', 'github.com/torvalds', 'https://example.com/page'). Scheme optional. Use with match=prefix/domain/host to widen.

How to match url: exact | prefix | host | domain. domain_captures forces 'domain'.

request preview
curl -X POST https://api.reefapi.com/web-archive/v1/history \
  -H "x-api-key: $REEF_KEY" \
  -H "content-type: application/json" \
  -d '{"url":"github.com"}'

Hit Send to run this endpoint live.