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Best SMS API services in 2026

  1. 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. 2

    TextBee

    Free plan AndroidAPISelf-hosted+1
    7.3 Open source Visit site
  3. 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. 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. 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. 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. 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. 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. 9

    SMSGatewayHub

    Free plan AndroidAPISelf-hosted+2
    7.0 Pricing on request Visit site
  10. 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. 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. 12

    Celcom Africa SMS API

    Free plan API
    6.6 Pricing on request Visit site
  13. 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. 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. 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. 16

    ClickSend SMS Gateway API

    Free trial APIiPhoneMac+1
    6.4 14-day trial Visit site
  17. 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. 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. 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. 20

    CM.com Business Messaging API

    by CM.com Business Messaging API
    Free trial API
    6.1 Pricing on request Visit site
  21. 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. 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. 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. 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. 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

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