
Fixer.io
Exchangeratesapi.io
ExchangeRate-API
Freecurrencyapi.com
Currencylayer
Open Exchange Rates
BestExchangeRates
Currencyapi.com is a free, reliable & feature complete currency exchange rates API. 170+ world currencies & 60 second update rate.

The modern platform for creating, sharing, and collaborating on AI prompts. Advanced version control and real-time testing.

Website, pricing, platforms and company facts side by side.
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As answered by people managing Currencyapi.com and Diffyn.
Diffyn's answer:
Addresses workflow and change management on LLM prompts, provide teams with traceability and visualization of tests across multiple models, provide deeper understading into efficiency of these prompts.
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
Diffyn's answer:
React, Next.js, POSTGRESQL
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
Diffyn's answer:
I started working on Diffyn when I notice that prompting has become an essential part of work across many industries. While there are version control platofrms like github, they are not designed for just prompt management are can be overkill such applications, it is also not integrated natively with various LLMs and relevant tools for users to validate ideas and visualise results properly.
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When comparing Currencyapi.com and Diffyn, you can also consider the following products.

Fixer provides a free, simple, and lightweight API for current and historical foreign exchange rates and currency conversion. The API tracks rates published daily by the European Central Bank.
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Simple API for Global Currency Exchange Rates
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An easy to use, free & reliable Exchange Rate API trusted by tens of thousands of developers since 2010!
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Freecurrencyapi.com is a free, reliable & feature-complete currency exchange rates API. 32 world currencies & daily update rates.
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Free and startup-friendly currency converter JSON API for real-time and historical exchange rates - reliable and accurate, supporting 168 world currencies.
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Free, hourly-updated exchange rates - a simple, accurate, open-source JSON API. Free for personal use, a bargain for everybody else.
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