
Fixer.io
Exchangeratesapi.io
Currencyapi.com
Open Exchange Rates
Currencylayer
xChangeApi
Freecurrencyapi.com
An easy to use, free & reliable Exchange Rate API trusted by tens of thousands of developers since 2010!

Firebase
AppWrite
Vercel
Next.js
PocketBase.io
Hasura
Railway
An open source Firebase alternative
Which is more popular?
Based on our record, Supabase seems to be more popular. It has been mentioned 561 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | exchangerate-api.com | supabase.com |
| Pricing | ||
| Platforms | — | |
| Company | — | Startup from the United States |
| Listed in |
In their own words, as submitted to SaaSHub.


ExchangeRate-API.com offers an easy-to-use JSON currency conversion API with unlimited free requests. The service supports all 160 major currency codes and an incredibly accessible API request format. ExchangeRate-API has been a popular option for developers to get exchange rate data since 2010!
No description of Supabase yet.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


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Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using ExchangeRate-API and Supabase. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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Supabase combines PostgreSQL with authentication, storage, realtime functionality, and other backend services, making it a great fit for teams looking for an all-in-one platform. Teams with specialized PostgreSQL...
Supabase offers an open-source PostgreSQL backend that is tailored for developers with simplicity and scalability requirements. Its fully managed infrastructure aligned with integrated APIs makes it an excellent...
Supabase: An open-source BaaS alternative to Firebase, offering instant Postgres APIs, auth, edge functions, and growing AI-ready tooling. Ideal for modern dev teams but limited in orchestration and multi-agent flows.
Recommendations tracked on public social media and blogs since March 2021.


Tracking ExchangeRate-API since Mar 2021.
Free tier, permanent. Requires an API key, but the free quota resets every month or day and never expires on its own. Examples: Groq, Resend, Supabase, ROIC.ai. - Source: dev.to / 16 days ago
If you let Claude Code build an app on your backend and never mention security, where does it put the access rules? And does it get them right? I tried it by building two apps on Supabase, Appwrite and Nhost through their CLIs, with the... - Source: dev.to / 21 days ago
{ "name": "Supabase", "aliases": ["supabase"], "category": "database", "role": "backend and authentication", "mention": "used", "evidence": [ { "quote": "we use Supabase for auth and the database", "start": 761 } ], ... - Source: dev.to / 22 days ago
When comparing ExchangeRate-API and Supabase, 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.
Compare Fixer.io to ExchangeRate-API or Supabase:

Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
Compare Firebase to ExchangeRate-API or Supabase:

Simple API for Global Currency Exchange Rates
Compare Exchangeratesapi.io to ExchangeRate-API or Supabase:

Appwrite provides web and mobile developers with a set of easy-to-use and integrate REST APIs to manage their core backend needs.
Compare AppWrite to ExchangeRate-API or Supabase:

Currencyapi.com is a free, reliable & feature complete currency exchange rates API. 170+ world currencies & 60 second update rate.
Compare Currencyapi.com to ExchangeRate-API or Supabase:

Vercel is the platform for frontend developers, providing the speed and reliability innovators need to create at the moment of inspiration.
Compare Vercel to ExchangeRate-API or Supabase: