Knock API
Notification Infrastructure · Unknown · 30d uptime 100%
Knock is customer engagement infrastructure for your product, marketing, and transactional messaging. Activate your data, ship cross-channel messaging, and accelerate growth.
Trust signals
Pricing
FREEMIUM
Auth
API_KEY
CORS
No
Rate limit
Free tier: 10,000 notifications/month
Health
359ms
Trust score
87 (B)
Strong candidate; weakest signal is CORS.
Links
- Homepageknock.app
- Documentationdocs.knock.app/
- Base URLdocs.knock.app/
Integration checklist
- Auth is API_KEY— no credit card required
- No CORS — route calls through your backend.
- Rate limit: Free tier: 10,000 notifications/month