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Cloud communication APIs for SMS, email, voice, and WhatsApp
MSG91 is a cloud communication platform from India that provides APIs for SMS, email, voice, WhatsApp, and OTP, letting businesses and developers add messaging and verification to their applications. It is widely used across India and emerging markets for transactional and marketing communications.
The platform covers SMS and OTP APIs, email delivery, voice and IVR, WhatsApp Business messaging, an omnichannel inbox (MSG91 Hello), and campaign and automation tools, on a usage-based credit model with volume-dependent rates. Its developer-friendly APIs and India-focused compliance (including DLT) make it a practical choice for programmable communications.
MSG91 serves businesses and developers that need reliable transactional and marketing messaging or OTP verification at scale, especially in India. Its channel breadth, competitive per-message rates, and API focus make it a leading communication platform in the Indian market.
Pricing Model
Custom
Starting Price
Contact vendor
Free Options
Free version
| Feature | Usage-based APIs | Hello Inbox |
|---|---|---|
| SMS from ~₹0.13/message | — | |
| OTP & voice APIs | — | |
| WhatsApp messaging | — | |
| Credit model | — | |
| Developer APIs | — | |
| Omnichannel inbox | — | |
| Team collaboration | — | |
| Basic $40 / Premium $80 | — | |
| Automation | — | |
| Campaigns | — |
Other
CRM
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API Types
SDK Availability
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Developer Features
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Compliance Standards
SOC 2 Type II
EnterpriseISO 27001
EnterpriseGDPR Compliant
GlobalHIPAA
HealthcarePCI DSS
FinanceCCPA
PrivacyFedRAMP
GovernmentCSA STAR
CloudDeployment & Data
Data Residency Options
Verify with vendor for your specific region requirements.
Conversational messaging and WhatsApp Business API platform
Programmable communications APIs for SMS, voice, email, and more
Cloud telephony and customer engagement platform
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