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Products that do what My first API, with SMS-based 3rd party auth method does

I've been experimenting with building an API for Spotversation over the last few weeks. I couldn't get OAuth to work correctly (yet) and I don't like the process anyway, so I made my own SMS-based 3rd party authentication method. API Docs: http://spotversation.com/api/docs (clickable link at bottom of page) Example Event: http://spotversation.com/shdh Login: 6502068481 / fake I'm really curious how it gets the basic concepts across for other developers. Thanks for any feedback!

  1. 1

    Verify more users for less cost with our spam-free SMS API

    2024

  2. 2

    The easiest 3rd-party sign-in for your apps and APIs

    2020

  3. 3

    Craft and send emails directly from your website or CMS

    2025

  4. 4

    Secure apps & services with multichannel user authentication

    2021

  5. 5OM

    2017 · login-with.com

  6. 6SC

    Hi HN, I’m the founder of Pangea. We’ve built a developer platform where you can easily add security to your code through a simple set of APIs - features like authentication, secrets management, audit logging, redaction of PII, restricting embargoed countries, known threat actor intelligence, etc. With the ChatGPT and LLM explosion, we thought of ways to reduce the risk of both the inputs and outputs from these services. Our NextJS sample app adds a security layer on top of ChatGPT with various security services that you can implement quickly. It’s basically a front end to the OpenAI API…

    2023 · github.com

  7. 7SS

    Hi guys, This is just a simple script I've written while I was trying to find a way to implement Spotify public playlists into my last project I've published here: https://news.ycombinator.com/item?id=36496644 It works by using an endpoint that returns a script filled with credentials for anonymous browsing. This way you can get accessToken and clientID to use with the Spotify Web API. Hope you find it useful!

    2023 · github.com

  8. 8IC

    2024 · webcrypto-private-messages.vercel.app

  9. 9IM
  10. 10IM

    2020 · sendblue.co

  11. 11IP

    Hey HN! I made a service to share passwords easy and secure but never promoted it. It's called instapass.io I noticed that people besides my friends and clients actually started to use, so maybe it will be helpful for you too! You share one-time self-destruct message using one time links and I won't even be able to see what you wrote. How does it work? When you generate a message the client-side makes a random password and use that to encrypt the message. The password is appended as an anchor tag which all modern browsers never send to the server. This way, I don't even know what you shared.…

    2019

  12. 12FO

    This is a two man team and we're in full-on development of a new platform to assist in multiplayer games. We're looking to launch in about a month or two with an OpenID server accessible to customers (or they can use provider like Facebook/Twitter) and a couple cool multiplayer features. After we launch development will continue until we have a well-rounded API. We're primarily targeting HTML5+JS developers but the system will work with any language that can make RESTful API calls. We know there's some stiff competition out there but we're looking for feedback and what features may make…

    2014 · playpi.net

  13. 13IV

    Hey Everyone! I’ve recently been working on an open-source proxy server to help front end applications securely access third party APIs that require confidential API keys without the need to create your own backend. I would love to get some feedback and hear what you think!

    2024 · github.com

  14. 14OA

    Hey HN, we’ve been working on a way to simplify authentication with third-party APIs. This started because my co-founder andreterron (https://news.ycombinator.com/user?id=andreterron) and I both built personal dashboards to track different health and productivity metrics, but it’s such an annoying chore to integrate with new APIs. First you read their docs to learn their authentication method, then build and deploy a custom server to receive OAuth callback requests or deal with CORS, register an app with them, then finally you can send the first request to their API. After the…

    2023 · oneapikey.com

  15. 15OS

    https://github.com/KTruong008/aichatbestie Been working on this since last week and glad to share it here and now! There's already been a few other takes on this idea, but I figured none would fit me as well as if I had just built it myself. All messages are sent and stored locally in the browser for privacy and speed. Accounts are optional and upgrading is a one-time deal. Any questions, comments, feedback, please, I'd like to hear it all!

    2023 · aichatbestie.com

  16. 16TS

    I created a SMS based chat application that connects two people to chat (aka SMS roulette). I've opened up some invites for HN. Signup with your hacker news handle with (hn) so that you know when you are chatting with another HN'er. http://textslide.com/hn Feedback is always welcome.

    2010

  17. 17SE

    Hello. I made this project as an experiment in using key cryptography for user identity in a client server model, and for some future peer to peer projects that I am working on. I am looking for feedback, please let me know what you think. Also, Merry Christmas to HN! :-)

    2022 · github.com

  18. 18DC

    http://dripi.com I thought I'd share my winning entry to the Google I/O last call competition with ya'll. Took me about 9 hours, which seems like a lot looking at it now (my only excuse is that it took place after 12am). I truly did not expect to be one of the winners. My guess is that the YouTube API category had fewer entries than others. Feel free to let me know what you think! This was the challenge: Wouldn’t it be nice if you could create a video mash-up by chaining player invocations that work for both Flash and HTML5 videos ? Well, with the JavaScript API to the <iframe> embed…

    2011

  19. 19IM

    Hi HN, I created a (realistic) fake tweet generator to make my mum believe I'm successful until I get there for real haha. Now I can proudly (not) show her Elon endorsed my SaaS! It's 100% free to use and I tried to make it as realistic as possible while being easy to use. There are already existing similar tools but I could not find one that automatically pre-fills data from a twitter username and that handles business accounts (square picture/gold badge/company picture) so I built it. I would love to hear your feedback or suggestions!

    2024 · snowball.club

  20. 20
    Relay4

    Resend for SMS. Send SMS in minutes

    Feb 2026

  21. 21PS

    Hello developers, I'm excited to share something I've been working on out of my own frustrations with Twilio and others - meet Postack, an SMS API that's all about making your life easier. We're offering white-glove onboarding, quick campaign approvals, and some of the best pricing in the market, which gets even better as you scale. Designed with a focus on developer experience, we aim to remove the headaches associated with SMS campaigns, making integration a breeze. Check us out and let's make SMS communication straightforward and cost-effective together.

    2024 · postack.dev

  22. 22TU
  23. 23BP

    I've been researching the bot & proxies space for years. I slowly incubated a service to protect public forms, contents and APIs. It recenty reached a few million daily requests and I now dare to bring it to light. Truesign detects bots, proxies/vpns and fake emails, through a single request from the browser, without challenges or user interaction. It can block the request based on rules you choose, or grant a token with encrypted information about the visitor for you to decide. I created a few pages to showcase how it works: - https:/demo.truesign.ai/protected-form : a form…

    Oct 2025 · truesign.ai

  24. 24AP

    Hey HN I'm currently living my dream, being paid to do what I love: programming, something I've been doing since middle school for over 15 years. In those years doing programming, I’ve always thought that OpenID Connect/OAuth for Authentication is an amazing idea that more programmers should be familiar with. Using (properly configured) SSO may be one of the best security investment made by companies. It also saves a lot of works, both for companies (by delegating user management-related features to third party) and users (by reducing friction when using new services). However, one of…

    2024 · github.com

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