Sendblue

What it does

Simple iMessage and SMS API that you can get started with in 5 minutes! Send messages from your application code. See responses or send iMessage blasts from your Sendblue dashboard in realtime. Upgrade your customer interactions with blue messages.

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  I Made an iMessaging API2020 · sendblue.co · ▲15

  Send iMessage, SMS, and RCS from your CRM or via REST API. 2-3x higher response rates than SMS. No A2P registration. SOC 2 certified. Used by 20,000+ businesses.

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  Sent.dm2024 · sent.dm · ▲195

  Unified API for sending messages on SMS, WhatsApp, and more

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  BlooioJan 2026 · blooio.com · ▲84

  iMessages API that scales to send blue bubbles from anywhere

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  Texted.io2017 · texted.io · ▲126

  Send text blasts to groups, receive individual replies

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  Thanks App2019 · play.google.com · ▲98

  Send instant replies to incoming WhatsApp messages

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  Console.text()Dec 2025 · soorajdmg.github.io · ▲93

  SMS alerts for your code just like console.log()

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  Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

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