Bandwidth Messaging API lets companies send and receive SMS and MMS through HTTP.
Alternatives to Telnyx SMS API
MSG91 is a cloud communication platform for businesses and developers sending transactional messages, such as order confirmations, appointment…
Plivo SMS API provides messaging for secure logins, critical notifications, marketing campaigns, and conversational messaging.
- 4

Gupshup
Gupshup provides conversational AI for marketing, commerce, and customer support automation.
Free planWebAPI7.7Free plan - 5
Vonage SMS API
Vonage SMS API lets applications send text messages and look up messages sent from an account or to its virtual numbers.
AndroidiOSWebAPI7.6 - 6

Messente
Messente is a business messaging platform for sending SMS, Viber, and WhatsApp messages globally, with RCS also listed as a channel.
Free planWebAPI7.6Free plan - 7

MoceanAPI
MoceanAPI provides business communication APIs for SMS, WhatsApp, voice, phone-number lookup, and verification.
WebAPI7.6 - 8

ClickSend SMS Gateway API
iOSWebAPImacOS7.5 - 9

TextBee
Free planAndroidWebAPISelf-hosted7.5From $99.99 a year - 10

46elks
46elks is a telecom API for applications that send messages and make phone calls.
Free planWebAPI7.4From €3 a month - 11

Twilio Programmable Messaging
Twilio Programmable Messaging sends and receives SMS, MMS, RCS, and WhatsApp messages through one API.
WebAPI7.3 - 12

GatewayAPI
WebAPI7.3€0.04 one-time - 13
7.2 - 14

Infobip SMS API
Infobip SMS API lets businesses add SMS sending and receiving to existing systems.
Free planWebAPI7.2Free plan - 15
7.2 - 16

SMSGlobal API
SMSGlobal API gives applications an HTTP interface for sending SMS through SMSGlobal over HTTP or HTTPS.
WebAPI7.2 - 17

Clickatell SMS API
Clickatell SMS API provides APIs for sending and receiving SMS for customer support, communications, promotions, and two-factor authentication notifications.
Free planWebAPI7.1Free plan - 18

SMSAPI
AndroidiOSWebAPI7.0 - 19
SMSGatewayHub
AndroidWebAPISelf-hosted7.0₹0.17 one-time - 20
Telnyx Text-to-Speech API
Telnyx Text-to-Speech API converts text into speech through an API and supports commercial use and voice cloning.
Free planWebAPI7.0From $500 a month - 21
Jasmin SMS Gateway
Jasmin SMS Gateway is an open-source gateway for businesses building customized messaging services.
Free planAPILinuxSelf-hosted6.9Free plan - 22

MSG91
MSG91 provides an SMS API for business communications, including sending and receiving messages.
AndroidiOSWebAPI6.9₹1,250 one-time - 23

Textbelt
Textbelt is an SMS API for developers who want software to send text messages.
Free planAPISelf-hosted6.8Free plan - 246.7From €9 a month
- 256.7From $58 a month
- 26
Kannel
Kannel is a free, open-source WAP and SMS gateway for self-hosted mobile connectivity and messaging.
Free planAPILinuxSelf-hosted6.6Free plan - 27
Movider
WebAPI6.6 - 28

SMS.to
WebAPI6.5$0.02 one-time - 29
Mitto
WebAPI6.4 - 30
KAPSYSTEM
Web6.4From ₹10,000 a month
