The Mercure protocol API

Messaging · Operational · 30d uptime 100%

Homepage OpenAPI

[Mercure](https://mercure.rocks) is a protocol allowing to push data updates to web browsers and other HTTP clients in a convenient, fast, reliable and battery-efficient way.

Trust signals

Pricing

FREE

Auth

UNKNOWN

CORS

Yes

Rate limit

Unknown

Health

291ms

Trust score

95 (A)

Last checked Sep 4, 2026 · uptime 24h 100% / 7d 100% / 30d 100%

Excellent production-readiness signals.

Links

Documentationmercure.rocks
Base URLmercure.rocks
OpenAPI specapi.apis.guru/v2/specs/mercure.local/0.3.2/openapi.json

Integration checklist

Auth is UNKNOWN
CORS enabled — callable directly from browsers.
Rate limit: not documented

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