Exchange Rate: Their REST API interface delivers currency exchange rate data for hundreds of currencies, allowing up to 1,000 monthly requests for free. - Source: dev.to / 5 months ago

- Currency: I use a free tier to hourly 'cache' on the repo, latest rates based on https://exchangeratesapi.io [2] (for basic traveler's currency I find this a reasonable balance) - The landing page website [3] is made with SvelteKit, Tailwind and uses Cloudflare Pages. - I hope getting an Android app also, but still confused about the best stack. (CapacitorJS, Kotlin) [1] - Source: Hacker News / 5 months ago

Here's an API built on top of this data that allows for more fine tuned queries. https://exchangeratesapi.io/ https://github.com/exchangeratesapi/exchangeratesapi. - Source: Hacker News / 9 months ago

Also, you can do conversion outside of Stripe using an external API, e.g. fixer.io, exchangeratesapi.io etc. Source: over 1 year ago

For this project, you can use one of these two web services: https://fixer.io/, https://exchangeratesapi.io/. These services are generally paid, but both have a free tier that you can use. - Source: dev.to / over 1 year ago

I tried and failed. I manually went through hundreds of 10k/q's using bamsec.com to pull outstanding shares and then calculated it in Sheets by pulling price for the specific date. I factored in dilution if it happened between the 10k/q I was looking at and the date I needed market cap for. Sounds tedious but it wasn't too horrible using bamsec. TradingView also has a historical market cap indicator that you can... Source: over 2 years ago

Check out bamsec.com and fintel.io for past financial statements. Source: about 3 years ago