Best SMSFactor API Alternatives in 2026
Updated
20 apps from transactional SMS software ranked against SMSFactor API on the same published basis.
- 1SMSFactor API vs ClickSend SMS API
- 2SMSFactor API vs Mailchimp
- 3SMSFactor API vs Bandwidth Messaging API
- 4SMSFactor API vs Telnyx SMS API
- 5SMSFactor API vs Textmagic
- 6SMSFactor API vs 46elks
- 7SMSFactor API vs Bird Verify
- 8SMSFactor API vs Clickatell SMS API
- 9SMSFactor API vs D7 Networks
- 10SMSFactor API vs Gupshup
- 11SMSFactor API vs Infobip SMS API
- 12SMSFactor API vs Messente
- 13SMSFactor API vs Plivo Verify
- 14SMSFactor API vs SMSPortal
- 15SMSFactor API vs Telnyx Text-to-Speech API
- 16SMSFactor API vs 2Factor.in OTP API
- 17SMSFactor API vs Commio SMS API
- 18SMSFactor API vs Textbelt
- 19SMSFactor API vs MSG91
- 20SMSFactor API vs Sinch Verification API
SMSFactor API alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | ClickSend SMS API | 6.5 | API, iOS, Mac, Web | ||
| 2 | Mailchimp | 6.5 | Free plan | Free | Web, iOS, Android |
| 3 | Bandwidth Messaging API | 6.4 | API, Web | ||
| 4 | Telnyx SMS API | 6.4 | $500/mo | API, Web | |
| 5 | Textmagic | 6.4 | $0.05/mo | Android, API, iOS, Web | |
| 6 | 46elks | 6.3 | €3/mo | API, Web | |
| 7 | Bird Verify | 6.3 | Free plan | Free | API, Web |
| 8 | Clickatell SMS API | 6.3 | Free plan | Free | API, Web |
| 9 | D7 Networks | 6.3 | API, Web | ||
| 10 | Gupshup | 6.3 | Free plan | Free | API, Web |
| 11 | Infobip SMS API | 6.3 | Free plan | Free | API, Web |
| 12 | Messente | 6.3 | Free plan | API, Web | |
| 13 | Plivo Verify | 6.3 | Free plan | Free | API, Web |
| 14 | SMSPortal | 6.3 | Free plan | $0.08/mo | API, Web |
| 15 | Telnyx Text-to-Speech API | 6.3 | Free plan | $500/mo | API, Web |
| 16 | 2Factor.in OTP API | 6.2 | Free plan | ₹4,999/mo | Web |
| 17 | Commio SMS API | 6.2 | Web | ||
| 18 | Textbelt | 6.2 | Free plan | Free | API, self-hosted |
| 19 | MSG91 | 5.5 | Android, API, iOS, Web | ||
| 20 | Sinch Verification API | 5.5 | Android, API, iOS, Web |
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Questions about SMSFactor API alternatives
What is the best alternative to SMSFactor API?
ClickSend SMS API, number 1 in transactional SMS software with a score of 6.5 out of 10. The others here: Mailchimp, Bandwidth Messaging API, Telnyx SMS API and 16 more.
What is the best free alternative to SMSFactor API?
Mailchimp is the best-ranked alternative with a free plan. 11 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.