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Best 2Factor.in OTP API Alternatives in 2026

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

  1. 1
    Mailchimp Free plan WebiOSAndroid Free6.9
    2Factor.in OTP API vs Mailchimp
  2. 2
    BulkGate Free trial AndroidapiWeb 6.7
    2Factor.in OTP API vs BulkGate
  3. 3
    Clickatell SMS API Free plan apiWeb Free6.6
    2Factor.in OTP API vs Clickatell SMS API
  4. 4
    Gupshup Free plan apiWeb Free6.6
    2Factor.in OTP API vs Gupshup
  5. 5
    Telnyx Text-to-Speech API Free plan apiWeb $500/mo6.6
    2Factor.in OTP API vs Telnyx Text-to-Speech API
  6. 6
    Bird Verify Free plan apiWeb Free6.5
    2Factor.in OTP API vs Bird Verify
  7. 8
    Textbelt Free plan Free6.3
    2Factor.in OTP API vs Textbelt
  8. 9
    MoceanAPI Free trial apiWeb 6.2
    2Factor.in OTP API vs MoceanAPI
  9. 10
    Plivo SMS API Free trial apiWeb $0.01/mo6.2
    2Factor.in OTP API vs Plivo SMS API
  10. 11
    SMSPortal Free plan Web $0.08/mo6.2
    2Factor.in OTP API vs SMSPortal
  11. 12
    Vonage SMS API Free trial AndroidapiiOSWeb 6.2
    2Factor.in OTP API vs Vonage SMS API
  12. 13
    Africa's Talking SMS Web 6.1
    2Factor.in OTP API vs Africa's Talking SMS
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