Blockstream Esplora API
Blockstream Esplora API: current Bitcoin chain tip height.
Operational
Last checked · response time 271 ms
90-day uptime
Monitoring since · 32 days of data
Past incidents
No incidents reported.
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- Guardian-measuredResolvedEsplora API: HTTP 522 · resolved after 14m
- Guardian-measuredResolvedEsplora API: Unreachable · resolved after 4m
- Guardian-measuredResolvedEsplora API: HTTP 521 · resolved after 34m
- Availability incidentEndpoint has failed 3 consecutive polls (latest: HTTP 522)
- Guardian-measuredResolvedEsplora API: HTTP 522 · resolved after 20m
Recent changes
No changes detected in 32 days of monitoring (since 2026-06-11).
Integrate
The live status, 90-day uptime figure and change history on this page are also machine-readable: embed the badge, poll the JSON, or subscribe to the feed. No key needed.
Status badge: 
Markdown embed: [](https://guardiandev.ai/apis/blockstream-api)
Machine-readable: JSON (versioned v1, CORS-enabled) · Atom feed of drift & outage events.
Guardian probes https://blockstream.info/api/blocks/tip/height about every 5 minutes. How Guardian measures.