Some top alternatives to Klaxon includes Amixr, AlertOps, DERDACK Enterprise Alert, Everbridge IT Alerting and Indition Alerts.
No, Klaxon doesn't provide API.
No, Klaxon doesn't provide mobile app.
Klaxon is located in Leeds, England
Klaxon offers Quotation Based pricing model
The starting price is not disclosed by Klaxon. You can visit Klaxon pricing page to get the latest pricing.