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Best 2Factor.in OTP API Alternatives in 2026

Updated

20 tools from transactional SMS software ranked against 2Factor.in OTP API on the same published basis.

  1. 1
    ClickSend SMS API Free trial apiiOSMacWeb 7.3
    2Factor.in OTP API vs ClickSend SMS API
  2. 2
    Textmagic Free trial AndroidapiiOSWeb $0.05/mo7.3
    2Factor.in OTP API vs Textmagic
  3. 3
    Bandwidth Messaging API Free trial apiWeb 7.2
    2Factor.in OTP API vs Bandwidth Messaging API
  4. 4
    D7 Networks Free trial apiWeb 7.1
    2Factor.in OTP API vs D7 Networks
  5. 5
    Clickatell SMS API Free plan apiWeb Free7.0
    2Factor.in OTP API vs Clickatell SMS API
  6. 6
    Mailchimp Free plan WebiOSAndroid Free7.0
    2Factor.in OTP API vs Mailchimp
  7. 7
    Sinch Verification API Free trial AndroidapiiOSWeb 7.0
    2Factor.in OTP API vs Sinch Verification API
  8. 8
    Infobip SMS API Free plan apiWeb Free6.9
    2Factor.in OTP API vs Infobip SMS API
  9. 9
    MoceanAPI Free trial apiWeb 6.9
    2Factor.in OTP API vs MoceanAPI
  10. 10
    Plivo Verify Free plan apiWeb Free6.9
    2Factor.in OTP API vs Plivo Verify
  11. 11
    Vonage SMS API Free trial AndroidapiiOSWeb 6.9
    2Factor.in OTP API vs Vonage SMS API
  12. 12
    Messente Free plan apiWeb 6.8
    2Factor.in OTP API vs Messente
  13. 13
    Plivo SMS API Free trial apiWeb $0.01/mo6.8
    2Factor.in OTP API vs Plivo SMS API
  14. 14
    Telnyx SMS API apiWeb $500/mo6.8
    2Factor.in OTP API vs Telnyx SMS API
  15. 15
    BulkGate Free trial AndroidapiWeb 6.7
    2Factor.in OTP API vs BulkGate
  16. 16
    MessageFlow SMS API Free trial apiWeb 6.7
    2Factor.in OTP API vs MessageFlow SMS API
  17. 17
    SMSAPI Free trial AndroidapiiOSWeb 6.7
    2Factor.in OTP API vs SMSAPI
  18. 18
    Telnyx Text-to-Speech API Free plan apiWeb $500/mo6.7
    2Factor.in OTP API vs Telnyx Text-to-Speech API
  19. 19
    Gupshup Free plan apiWeb Free6.6
    2Factor.in OTP API vs Gupshup
  20. 20
    MSG91 AndroidapiiOSWeb 6.6
    2Factor.in OTP API vs MSG91

2Factor.in OTP API alternatives compared

#ToolScoreFree planFromRuns on
1ClickSend SMS API7.3API, iOS, Mac, Web
2Textmagic7.3$0.05/moAndroid, API, iOS, Web
3Bandwidth Messaging API7.2API, Web
4D7 Networks7.1API, Web
5Clickatell SMS API7.0Free planFreeAPI, Web
6Mailchimp7.0Free planFreeWeb, iOS, Android
7Sinch Verification API7.0Android, API, iOS, Web
8Infobip SMS API6.9Free planFreeAPI, Web
9MoceanAPI6.9NoAPI, Web
10Plivo Verify6.9Free planFreeAPI, Web
11Vonage SMS API6.9Android, API, iOS, Web
12Messente6.8Free planAPI, Web
13Plivo SMS API6.8No$0.01/moAPI, Web
14Telnyx SMS API6.8$500/moAPI, Web
15BulkGate6.7Android, API, Web
16MessageFlow SMS API6.7API, Web
17SMSAPI6.7Android, API, iOS, Web
18Telnyx Text-to-Speech API6.7Free plan$500/moAPI, Web
19Gupshup6.6Free planFreeAPI, Web
20MSG916.6Android, API, iOS, Web
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Questions about 2Factor.in OTP API alternatives

What is the best alternative to 2Factor.in OTP API?

ClickSend SMS API, number 1 in transactional SMS software with a score of 7.3 out of 10. The others here: Textmagic, Bandwidth Messaging API, D7 Networks and 16 more.

What is the best free alternative to 2Factor.in OTP API?

Clickatell SMS API is the best-ranked alternative with a free plan. 7 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.