{"slug":"infobip-2fa","name":"Infobip 2FA","domain":null,"verdict":"As of 2026-09-04, ChatGPT, Claude, Gemini, Grok collectively rank Infobip 2FA #8 of 10 for sms apis for otp authentication. Source: https://modelsagree.com/product/infobip-2fa (modelsagree.com, CC BY 4.0).","best_rank":8,"categories":1,"entries":[{"slug":"best-sms-apis-for-otp-authentication","title":"Best SMS APIs for OTP authentication","rank":8,"of":10,"score":2,"appearances":1,"modelRanks":{"ChatGPT":4},"reason":"Very strong international reach and carrier connectivity with a purpose-built OTP service supporting SMS, voice and email, managed PIN generation/validation, localized templates, flexible authentication options, and deep messaging infrastructure; especially good for companies with geographically diverse traffic.","reasons":[{"model":"ChatGPT","reason":"Very strong international reach and carrier connectivity with a purpose-built OTP service supporting SMS, voice and email, managed PIN generation/validation, localized templates, flexible authentication options, and deep messaging infrastructure; especially good for companies with geographically diverse traffic."}],"fixes":[{"model":"ChatGPT","fix":"Enterprise-oriented onboarding, configuration, and commercial complexity make it less convenient than Twilio or Vonage for a typical small-to-mid-size SaaS engineering team."}],"updated":"2026-09-04","api":"https://modelsagree.com/api/v1/best/best-sms-apis-for-otp-authentication.json"}],"page":"https://modelsagree.com/product/infobip-2fa","check":"https://modelsagree.com/check?q=Infobip%202FA","updated":"2026-09-09T13:07:58.066Z","attribution":"modelsagree.com, CC BY 4.0"}