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Best SMS API services in 2026

SMS API services let software send and receive text messages through an API. This list is for developers and teams comparing messaging providers for applications, websites, mobile apps, or self-hosted systems.

35 apps
Research read 28 Sept 2026
How the order is worked out

1

Infobip SMS API
by Infobip SMS API
Free plan APIWeb

Infobip SMS API covers sending, receiving, and delivery reporting, with developer libraries and business integrations.

7.3 60-day trial Visit site
2

TextBee

Free plan AndroidAPISelf-hosted+1

7.3 Open source Visit site
3

Clickatell SMS API

Free plan APIWeb

Clickatell combines SMS APIs with web tools, two-way messaging, and a free testing sandbox. Review destination- and message-specific costs before using its pay-as-you-go option.

7.2 Pricing on request Visit site
4

Jasmin SMS Gateway

Free plan APILinuxSelf-hosted

Jasmin provides broad SMS protocol, routing, and API capabilities for teams building messaging services.

7.2 Free plan Visit site
5

Messente
by Messente
Free plan APIWeb

Messente combines messaging channels with OTP and number-lookup services, plus API and integration options.

7.1 Pricing on request Visit site
6

SMSGlobal API

Free plan APIWeb

SMSGlobal API provides application-level SMS sending with scheduling, receipts, and several sender options. Note its one-way description and AEDT scheduling requirement when planning an integration.

7.1 Visit site
7

Kannel

Free plan APILinuxSelf-hosted

Choose Kannel if you need a free, self-hosted gateway for SMS and WAP services, with HTTP access and support for two-way messaging.

7.1 Free plan Visit site
8

Gupshup
by Gupshup
Free plan APIWeb

Gupshup combines conversational agents, campaign tools, channel support, and human escalation.

7.0 From $0.00 Visit site
9

SMSGatewayHub

Free plan AndroidAPISelf-hosted+2

7.0 Pricing on request Visit site
10

Textbelt

Free plan APISelf-hosted

Textbelt provides SMS sending, OTP verification, and a self-hosted option, with one free daily text and one-time paid credits.

6.9 Free plan Visit site
11

MSG91

Free plan AndroidAPIExtension+2

MSG91 combines SMS delivery and OTP tools with APIs for several other communication channels. India-to-India SMS pricing depends on volume, and displayed rates may be subject to GST where noted.

6.9 Visit site
12

Celcom Africa SMS API

Free plan API

6.6 Pricing on request Visit site
13

Telnyx Text-to-Speech API
by Telnyx Text-to-Speech API
Free plan APIWeb

The API offers speech generation with voice cloning and several integration options. Compare the usage-rate structure and plan limits with expected needs before choosing a commitment.

6.6 From $0.05 Visit site
14

Vonage SMS API

Free trial AndroidAPIiPhone+1

Choose Vonage SMS API if an application needs two-way SMS, webhooks, or several number options, with developer tools across multiple languages.

6.5 Pricing on request Visit site
15

SMSAPI
by SMSAPI
Free trial AndroidAPIiPhone+1

SMSAPI combines web, API, and mobile tools for business SMS, with inbound messaging, reports, authentication, and integrations.

6.4 Visit site
16

ClickSend SMS Gateway API

Free trial APIiPhoneMac+1

6.4 14-day trial Visit site
17

Twilio Programmable Messaging
by Twilio Programmable Messaging
Free trial APIWeb

Twilio Programmable Messaging combines multiple messaging channels, developer tools, scheduling, fallback, and global delivery in one API.

6.3 30-day trial Visit site
18

Bandwidth Messaging API

Free trial APIWeb

Bandwidth Messaging API combines multiple SMS and MMS routes with monitoring, webhooks, and developer integrations.

6.3 Pricing on request Visit site
19

Sinch SMS API
by Sinch SMS API
Free trial API

Sinch SMS API provides broad messaging features, developer tooling, and traffic controls for business communications.

6.1 Visit site
20

CM.com Business Messaging API
by CM.com Business Messaging API
Free trial API

6.1 Pricing on request Visit site
21

Plivo SMS API
by Plivo SMS API
Free trial APIWeb

Plivo SMS API covers developer messaging, automation, integrations, and global delivery in one service. Review usage rates and carrier surcharges closely when estimating costs.

6.1 From $0.01 Visit site
22

Mitto
by Mitto
Free trial APIWeb

Mitto combines messaging APIs, campaign management, webhooks, and SMS-based 2FA under a pay-as-you-go model.

6.0 Visit site
23

MoceanAPI
by MoceanAPI
Free trial APIWeb

MoceanAPI provides a broad communications API set with global coverage, webhooks, SDKs, and business-platform integrations.

6.0 From $3/mo Visit site
24

Telnyx SMS API
by Telnyx SMS API
Paid APIWeb

Telnyx SMS API provides messaging APIs, SDKs, and delivery tools, with usage-based rates starting at $0.004 per message part. Account limits and carrier charges are worth reviewing before use.

5.7 Visit site
25

Movider
by Movider
Free trial APIWeb

5.7 Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

Compare free plans, free trials, paid starting prices, two-way SMS, inbound webhooks, MMS, short codes, toll-free numbers, and supported SDK languages. Check which platforms a service supports, and review the software licence when access to source code matters.

Questions

What does an SMS API do?

It lets software send and receive text messages through an application programming interface.

Can I find a free SMS API plan?

A free plan is offered by services on this list. Check the provider’s limits and included features before use.

Are free trials available?

A free trial is offered by services on this list. Check its duration, limits, and conversion terms.

What is two-way SMS?

Two-way SMS supports outgoing messages and replies, so an application can send texts and receive responses.

Do these services support MMS?

MMS support is a comparison point for this list. Confirm it with the provider if you need picture or multimedia messages.

Can I use short codes or toll-free numbers?

Short code support and toll-free numbers are comparison points. Verify availability for your target countries and use case.

Questions

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