Exchange rate API integration guides

Choose your framework for a short, copy-paste guide to current rates, currency conversion, caching, and safe API key handling.

JavaScript and Node.js

A copy-paste JavaScript and Node.js guide to fetch and cache currency exchange rates, convert amounts, handle API errors, and format currency values.

TypeScript

A copy-paste TypeScript guide to fetch and cache currency exchange rates, convert amounts, handle API errors, and format currency values.

Next.js App Router

A copy-paste Next.js App Router guide to fetch and cache currency exchange rates, convert amounts, handle API errors, and format currency values.

React

A copy-paste React guide to fetch and cache currency exchange rates, convert amounts, handle API errors, and format currency values.

Express.js

A copy-paste Express.js guide to fetch and cache currency exchange rates, convert amounts, handle API errors, and format currency values.

Python

A copy-paste Python guide to fetch and cache currency exchange rates, convert amounts, handle API errors, and format currency values.

Django

A copy-paste Django guide to fetch and cache currency exchange rates, convert amounts, handle API errors, and format currency values.

Flask

A copy-paste Flask guide to fetch and cache currency exchange rates, convert amounts, handle API errors, and format currency values.

FastAPI

A copy-paste FastAPI guide to fetch and cache currency exchange rates, convert amounts, handle API errors, and format currency values.

PHP

A copy-paste PHP guide to fetch and cache currency exchange rates, convert amounts, handle API errors, and format currency values.

Laravel

A copy-paste Laravel guide to fetch and cache currency exchange rates, convert amounts, handle API errors, and format currency values.

Ruby on Rails

A copy-paste Ruby on Rails guide to fetch and cache currency exchange rates, convert amounts, handle API errors, and format currency values.

Go

A copy-paste Go guide to fetch and cache currency exchange rates, convert amounts, handle API errors, and format currency values.

Java 17

A copy-paste Java 17 guide to fetch and cache currency exchange rates, convert amounts, handle API errors, and format currency values.

C# and .NET 8

A copy-paste C# and .NET 8 guide to fetch and cache currency exchange rates, convert amounts, handle API errors, and format currency values.

Google Sheets

A copy-paste Google Sheets guide to fetch and cache currency exchange rates, convert amounts, handle API errors, and format currency values.