
Fixer.io
ExchangeRate-API
Currencyapi.com
Currencylayer
Open Exchange Rates
BestExchangeRates
Freecurrencyapi.com
Simple API for Global Currency Exchange Rates

FlyingPress
WP-Optimize
WP Fastest Cache
Cachify
WP Super Cache
Hyper Cache
W3 Total Cache
Autoptimize makes optimizing your site really easy.

Which is more popular?
Based on our record, Exchangeratesapi.io seems to be a lot more popular than Autoptimize. While we know about 19 links to Exchangeratesapi.io, we've tracked only 1 mention of Autoptimize.
Website, pricing, platforms and company facts side by side.
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| Website | exchangeratesapi.io | autoptimize.com |
| Pricing | — | |
| Company | 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


ExchangeRatesAPI.io provides reliable exchange rate and currency conversion data through an easy-to-integrate API for websites, applications, and businesses.
No description of Autoptimize yet.
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
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How often each product is chosen within a category, 0–100% relative to the other.


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Recommendations tracked on public social media and blogs since March 2021.


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 / almost 3 years 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,... - Source: Hacker News / almost 3 years 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 / about 3 years ago
The issues your site are having are troublesome for most small site administrators: good score on Desktop load but lousy on Mobile load. There are also good paid options for someone to professionally optimize the site using the above... Source: almost 5 years ago
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