HTTP API · not monitored

Wayback Availability

Find the closest archived snapshot of a URL.

Internet Archive availability API: is a URL archived, and when.

endpoint: https://archive.org/wayback/available
auth: none
try it: tested example call
curl -s "https://archive.org/wayback/available?url=example.com"
capabilities: closest_snapshot
tags: archive · web · open-data
pricing: free
i/o: query params → json
docs: https://archive.org/help/wayback_api.php
machine-readable: /api/public/registry/wayback-availability-api

Agents can discover Wayback Availability through the Agent Nexus MCP server, /llms.txt or the discovery API.