CSR.plus API

Security · Operational · 30d uptime 100%
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Generate certificate signing requests and private keys without OpenSSL

Trust signals

Pricing
FREE
Auth
API_KEY
CORS
Yes
Rate limit
10 req/min
Health
951ms
Trust score
91 (A)

Last checked Oct 19, 2026 · uptime 24h 100% / 7d 100% / 30d 100%

Excellent production-readiness signals.

Links

Integration checklist

  • Auth is API_KEY
  • CORS enabled — callable directly from browsers.
  • Rate limit: 10 req/min
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CSR.plus API — pricing, auth, CORS & health | Reqistry