nowfound

Dev tools · January 20, 2026

ChainCheck API

Instant crypto address validation for 120+ chains.

ChainCheck API launched on January 20, 2026.

What it does

Validate cryptocurrency addresses across 100+ blockchain networks instantly. Secure, lightweight, and developer-friendly REST API.

Validate wallet addresses instantly across 100+ networks including Bitcoin, Ethereum, and Solana. The fastest, most affordable crypto validation API.

The lightweight validation layer for 100+ chains. Verify addresses with sub-millisecond latency. Support for over 100+ networks including Bitcoin, Ethereum, Solana, and more. Sub-millisecond validation response times with lightweight localized logic. Generous free tier (30/hr) and affordable premium plans for highfrom chaincheckapi.com

Does a similar job

all alternatives →
  • Chainkit from PencilDATA2018 · ▲69

    Add blockchain integrity to your data and apps in 5 minutes

  • Chainsight2023 · chainsight.com · ▲86

    Access web3 insights and secure your crypto assets

  • SimpleHash2022 · simplehash.com · ▲114

    Multi-chain NFT API

  • Email Verify API2021 · cloudlyn.com · ▲92

    Simple email validation API for a $39 lifetime license

  • Chain49 Blockchain API2023 · hartmann-it.de · ▲2

    Blockchain-as-a-Service - Kickstart your next crypto project

  • Chainstack Unlimited Node2025 · chainstack.com · ▲10

    Scalable blockchain APIs with a flat monthly fee

More dev tools this month

the category →
  • /dev/null▲494

    a social network for devs

    Dev tools · 4d ago · dev-null.sh

  • Contribute to oosexgang/hackios-xnu-kernel development by creating an account on GitHub.

    Dev tools · 23h ago · github.com

  • open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.

    Dev tools · 29d ago · github.com

  • Contribute to reladraw/reladraw development by creating an account on GitHub.

    Dev tools · 27d ago · github.com

  • OpenBot▲362

    Grok Bot alternative: free, local, open-source, multiplayer

    Dev tools · 24d ago · openbot.run

  • Talanoa▲346

    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…

    Dev tools · 22d ago · talanoa.email

Source: Product Hunt launch ↗

Launched alongside, January 2026

the whole month →
  • IN

    Hey HN! I wanted to share something I built over the last few weeks: isometric.nyc is a massive isometric pixel art map of NYC, built with nano banana and coding agents. I didn't write a single line of code. Of course no-code doesn't mean no-engineering. This project took a lot more manual labor than I'd hoped! I wrote a deep dive on the workflow and some thoughts about the future of AI coding and creativity: http://cannoneyed.com/projects/isometric-nyc

    AI · Jan 2026 · cannoneyed.com

  • Cowork▲1,088

    Turn Claude into your digital coworker

    AI · Jan 2026 · claude.com

  • DataFast▲867

    Revenue-first analytics

    Growth · Jan 2026 · datafa.st

  • OpenClaw▲836

    The AI that actually does things

    AI · Jan 2026 · openclaw.ai

  • Automatic AI-powered code reviews the moment you open a PR

    Dev tools · Jan 2026 · kilo.ai

  • AI Content Maker, for Social Media Publishing

    AI · Jan 2026 · postsyncer.com