Public APIs with no API key — page 11

Generate and decode / read QR code graphics

Definitions, phonetics, pronunciations, parts of speech, examples, synonyms

Remote job board for digital nomads

Render LaTeX equations in PNG, GIF, SVG, EMF, PDF, JSON, or download formats with styling options

Query Minecraft, Steam and XBox Accounts

Airline Code Lookup API

Development

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate an access token. Please also be aware that our test environment is based on a subset of the production, to see what is included in test please refer to our **[data collection](https://github.com/amadeus4dev/data-collection)**.

HTTP API for Latest Covid-19 Data

Prague(CZ) City Open Data

Cryptocurrencies prices, volume and more

Cryptocurrencies Comparison

Exchange rates, currency conversion and time series

Unofficial MyAnimeList API

ExtendsClass JSON Storage

Development

A simple JSON store API

Game Giveaways Tracker

API for obtaining information about e-books available on the WolneLektury.pl website

Super simple file sharing, convenient, anonymous and secure

Covid-19 data for the US

NSIDC Web Service Documentation Index

Open Data

This API allows programmers to build National Snow and Ice Data Center data and metadata services into their applications.

marta

APIs.guru

Development

Wikipedia for Web APIs, OpenAPI/Swagger specs for public APIs

balldontlie

Sports & Fitness

Balldontlie provides access to stats data from the NBA

Domainsdb.info

Business

Registered Domain Names Search

Portfolio Optimizer

Finance

Portfolio analysis and optimization

REFUGE Restrooms

Transportation

Provides safe restroom access for transgender, intersex and gender nonconforming individuals