Sinch API

Messaging · Operational · 30d uptime 100%

Unlock meaningful conversations across the customer journey with programmable SMS, voice, email, video, & verification APIs!

Trust signals

Pricing
PAID
Auth
API_KEY
CORS
No
Rate limit
Per-plan limits
Health
242ms
Trust score
89 (B)

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

Strong candidate; weakest signal is CORS.

Links

Integration checklist

  • Auth is API_KEY— no credit card required
  • No CORS — route calls through your backend.
  • Rate limit: Per-plan limits
More messaging APIs
Sinch API API — pricing, auth, CORS & health | Reqistry