How it plugs in
—Public API
NoOpen source
YesFree tier
Signal on SMS API services6.3#20 of 35
SMSGatewayHub describes itself as a cloud-based CPaaS messaging platform for bulk SMS, OTP, WhatsApp Business API, RCS, email, voice and related messaging channels.

Pricing
- Transactional SMS — 1,00,000 SMSPrepaid pack; Lifetime Validity · 1,00,000 SMS · transactional route₹0.17 one-time
- Transactional SMS — 50,000 SMSPrepaid pack; Lifetime Validity · 50,000 SMS · transactional route₹0.19 one-time
- OTP SMS — 1,00,000 SMSPrepaid pack; Lifetime Validity · 1,00,000 SMS · dedicated multi-operator OTP priority route₹0.19 one-time
- OTP SMS — 50,000 SMSPrepaid pack; Lifetime Validity · 50,000 SMS · dedicated multi-operator OTP priority route₹0.21 one-time
- Transactional SMS — 25,000 SMSPrepaid pack; Lifetime Validity · 25,000 SMS · transactional route₹0.22 one-time
- Transactional SMS — 10,000 SMSPrepaid pack; 1 Year Validity shown · 10,000 SMS · transactional route₹0.23 one-time
- OTP SMS — 25,000 SMSPrepaid pack; Lifetime Validity · 25,000 SMS · dedicated multi-operator OTP priority route₹0.24 one-time
- OTP SMS — 10,000 SMSPrepaid pack; 1 Year Validity shown · 10,000 SMS · dedicated multi-operator OTP priority route₹0.25 one-time
As smsgatewayhub.com lists them, checked 11 Oct 2026.