nowfound

Dev tools · April 22, 2012

Weekend project - just relaunched the Open Exchange Rates website

The original simple, accurate and transparent exchange rates and currency conversion data API.

Weekend project - just relaunched the Open Exchange Rates website launched on April 22, 2012 with 6 votes, #153 of 446 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 14 years on.

What it does

Our data are served in transparent JSON format, with simple documentation and quick tech support. Our community has created over 200 open source libraries and plugins for most languages and frameworks. From a single request per month to hundreds per second, we've got you covered. Live and historical exchange rates for over 200 world currencies, plus time-series and conversion APIs. Copyright © 2011—2026 Open Exchange Rates (UK)from openexchangerates.org

Does a similar job

all alternatives →
  • Free foreign exchange rates API2020 · exchangerate.host · ▲249

    Access real-time, free exchange rates and forex data with our currency exchange rate API. Reliable, accurate, and perfect for conversion and forex exchange needs.

  • Alternative API to Exchangeratesapi.io2021 · exchangerate.host · ▲6

    Access real-time, free exchange rates and forex data with our currency exchange rate API. Reliable, accurate, and perfect for conversion and forex exchange needs.

  • Exchangerate.host2024 · exchangerate.host · ▲9

    Real-time and historical FX & crypto rates data solution.

  • Open Exchange Rates2016 · openexchangerates.org · ▲3

    The currency data API

  • Free Exchange Rates API2021 · github.com · ▲10

    Exchange rates API is a simple and lightweight free service for current and historical foreign exchange rates & crypto exchange rates. - GitHub - Formicka/exchangerate.host: Exchange rates API is a simple and lightweight free service for current and historical foreign exchange rates & crypto exchang

  • Reliable Foreign Currency Exchange Rate API2017 · forexapi.io · ▲5

    Accurate & reliable Exchange Rates API trusted by tens of thousands of developers since 2010. Free access, all world currencies, helpful support & easy to integrate JSON API.

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 · 1d 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: Show HN post ↗

Launched alongside, April 2012

the whole month →