MSG91 is a cloud communication platform for businesses and developers sending transactional messages, such as order confirmations, appointment…
Best SMS APIs in 2026
Software can use an SMS API interface to send and receive text messages. Provider comparisons may include two-way SMS, inbound webhooks, MMS, short codes and toll-free numbers. Check platform coverage before choosing. Services in this category list API, web, Android, iOS, self-hosted and Linux among their supported platforms. Confirm the platform and SDK language your project needs.
Telnyx SMS API lets developers send and receive SMS and MMS through REST APIs.
Bandwidth Messaging API lets companies send and receive SMS and MMS through HTTP.
- 4

Gupshup
Gupshup provides conversational AI for marketing, commerce, and customer support automation.
Free planWebAPI7.2Free plan - 5

GatewayAPI
WebAPI7.1€0.04 one-time - 6

Messente
Messente is a business messaging platform for sending SMS, Viber, and WhatsApp messages globally, with RCS also listed as a channel.
Free planWebAPI7.1Free plan - 7

MoceanAPI
MoceanAPI provides business communication APIs for SMS, WhatsApp, voice, phone-number lookup, and verification.
WebAPI7.1 - 8

Plivo SMS API
Plivo SMS API provides messaging for secure logins, critical notifications, marketing campaigns, and conversational messaging.
WebAPI7.1From $0.50 a month - 9

TextBee
Free planAndroidWebAPISelf-hosted7.1From $99.99 a year - 10

46elks
46elks is a telecom API for applications that send messages and make phone calls.
Free planWebAPI7.0From €3 a month - 11

ClickSend SMS Gateway API
iOSWebAPImacOS6.9 - 12
SMSGatewayHub
AndroidWebAPISelf-hosted6.9₹0.17 one-time - 13
Vonage SMS API
Vonage SMS API lets applications send text messages and look up messages sent from an account or to its virtual numbers.
AndroidiOSWebAPI6.9 - 146.7From $58 a month
- 15

SMSGlobal API
SMSGlobal API gives applications an HTTP interface for sending SMS through SMSGlobal over HTTP or HTTPS.
WebAPI6.7 - 16

MSG91
MSG91 provides an SMS API for business communications, including sending and receiving messages.
AndroidiOSWebAPI6.6₹1,250 one-time - 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 planWebAPI6.5Free plan - 18
6.5 - 19

Infobip SMS API
Infobip SMS API lets businesses add SMS sending and receiving to existing systems.
Free planWebAPI6.5Free plan - 20
Jasmin SMS Gateway
Jasmin SMS Gateway is an open-source gateway for businesses building customized messaging services.
Free planAPILinuxSelf-hosted6.5Free plan - 21

SMS.to
WebAPI6.5$0.02 one-time - 226.5From €9 a month
- 23

Textbelt
Textbelt is an SMS API for developers who want software to send text messages.
Free planAPISelf-hosted6.5Free plan - 24

Twilio Programmable Messaging
Twilio Programmable Messaging sends and receives SMS, MMS, RCS, and WhatsApp messages through one API.
WebAPI6.5 - 25
6.4
Choosing well
Compare plans and trials
Use the Free plan and Paid from fields to understand the starting point. The list marks Celcom Africa SMS API, Clickatell SMS API and Jasmin SMS Gateway as having free plans.
Trial terms differ. ClickSend SMS Gateway API shows a 14-day trial; GatewayAPI shows a 30-day trial. Some services show pricing on request.
Match the messaging features
If your software needs replies, delivery events or multimedia messages, review each listing's two-way SMS, inbound webhook and MMS support.
Sender and support flows may depend on short code and toll-free number availability, so review those fields before integrating.
Check Android and other platforms
Services in this category list API, web, Android, iOS, self-hosted and Linux as supported environments. Verify that the provider supports the environment used by your app or backend.
If Android access matters, confirm the Android offering and how it connects to the API rather than assuming web or API access covers it.
Review SDK languages
SDK language support can determine how quickly your team connects the service. Compare the listed languages with the stack used by your application.
Read the documentation details for webhook setup, API access and deployment before committing to a provider.
Questions people ask
Do SMS APIs support Android?
Android is listed as a supported platform in this category. Check the individual service for its Android integration and API connection details.
Can I use an SMS API for two-way messages?
Compare the Two-way SMS and Inbound webhooks fields. They indicate whether a service fits reply handling and inbound event flows.
Are free plans available?
Look for the Free plan field. Celcom Africa SMS API, Clickatell SMS API and Jasmin SMS Gateway are identified with free plans.
Which services list a free trial?
The listings show a 14-day trial for ClickSend SMS Gateway API and a 30-day trial for GatewayAPI.
Do SMS APIs support MMS and toll-free numbers?
This category compares MMS support and Toll-free numbers. Check the service listing for the capabilities you need.
