Philippines · Semaphore · More providers coming
SMS that just works — one API, many providers.
InnoSMS aggregates approved PH SMS gateways behind a single REST API. Send transactional, priority, or OTP messages with prepaid credits, sender-name management, and webhooks out of the box.
API-FIRST
POST /api/v1/messages
Bearer auth with public + secret key. Idempotent with Idempotency-Key header.
PREPAID WALLET
Credits never expire
Top up once, send forever. Automatic refunds on provider failures.
WEBHOOKS
HMAC-signed delivery events
message.sent · delivered · failed · refunded, with retries up to 24h.