Alternatives
Products that do what OTP Gateway does
Reliable OTP Forwarding
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2022 · auto-otp.com
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- 4IM
2019 · anonaddy.com
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- 11ST
2023 · smstoslack.app
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2021 · smsgte.org
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Empower your product manager. Let them decide what the messages to your users say, when those messages are triggered, as well as how they are sent (sms, email, etc.) while you focus on building product features. They'll be able to use trusted providers like sendgrid, twilio and apple so you don't have to worry about message delivery.
2013 · outbound.io
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Reverse-OTP phone verification over WhatsApp
Jul 2026 · phone-verif.com
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I couldn't find a suitable go implementation for Oblivious HTTP Client & Gateway (RFC 9458). So, I'm open sourcing ours. Some background: OHTTP is a protocol that hides who you are from the data you send - if you've ever used products of Apple, Mozilla, Fastly, or Cloudflare (to name a few) you probably used OHTTP. Key Features: - implemented as http.RoundTripper - supports chunked transfer encoding - customizable HPKE (e.g., for custom hardware-based encryption) - built on top of twoway and bhttp libraries Repo: https://github.com/confidentsecurity/ohttp Detail:…
Oct 2025 · github.com
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While playing with agents I realised it might be quite handy if they could get access to OTP codes. And while at it, why not give them ability to send the SMS as well. Twillio is expensive and annoying to set up for my taste. I vibe coded simple Android app that can read/send SMS and simple relay server that acts as MCP for agents. Works surprisingly well and my old android phone from a drawer is doing something useful again. Feel free to use it if you find it useful. I put it just to a $5 vps. If it's crashed, you should be able to spin up your own instance on your own VPS just in a…
Jun 2026 · simlink.snaz.cz
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