Free API Catalog

Free weather API, no key needed

Current weather, forecasts, historical data

Real-time & historical world weather data

Weather, astronomy, timezone, sports data

Current, forecast, and historical weather

Weather data with history back to 1970

Hyperlocal weather intelligence

National Weather Service forecasts & alerts

Global marine weather data

Sunrise/sunset times for any location

Real-time UV index by location

Air quality data worldwide

World air quality index data

US avalanche forecasts

Open air quality data

Weather visualizations and forecasts

Weather forecasts and history

Weather data and predictions

Weather forecast for astronomy/civil use

Swedish weather and climate data

Headlines and articles from 80k+ sources

Google News search API

Y Combinator's Hacker News API

Public Reddit content as JSON

Latest news from multiple sources

Multi-source news aggregation

Space-related news articles

Historic US newspapers (Library of Congress)

Live news & blog articles worldwide

NYT articles, books, movies API

The Guardian newspaper content

Dev community articles and users

RSS feed reader API

Posts from any public WordPress site

AP news content

Microsoft Bing news search

Short news summaries

News search by keyword, country, language

Worldwide news extraction

National Public Radio content

Comprehensive crypto market data

Real-time cryptocurrency prices

Bitcoin Price Index (BPI)

Cryptocurrency data, no key needed

Crypto market data and tickers

Stocks, forex, and crypto data

Currency exchange rates (ECB data)

Free currency conversion

Crypto exchange market data

Crypto market data and OHLC

Crypto exchange public data

Crypto prices and market cap

Real-time stock and crypto data

Stock, options, crypto market data

Financial data platform

150+ currencies, no rate limits

Exchange rates and VAT validation

Blockchain DEX data

Bitcoin mempool and blockchain data

Currency exchange rates

Ethereum blockchain explorer API

Crypto comparison and market data

On-chain DEX trading data

Stock, forex, crypto market data

Crypto asset data and research

Sports scores and news

Sports metadata and artwork

Football/soccer data, 630+ leagues

Soccer competitions, teams, matches

NBA stats and game data

Formula 1 race results since 1950

Major League Baseball data

National Hockey League data

Live cricket scores and data

Basketball data and live scores

Athlete activity tracking

Sports betting odds aggregator

Live scores across all sports

Football API with 2000+ leagues

German/European football data

Historical World Cup data

Worldwide bike sharing data

NCAA college football stats

Multi-sport data feeds

Match predictions and odds

Music metadata, playlists, playback

Music discovery and scrobbling

Open music encyclopedia

Music streaming data and search

Song lyrics and annotations

Apple iTunes catalog search

Free music streaming and download

Collaborative sound database

Open music listening data

Music acoustic analysis data

Music & audio sharing platform

Music database and marketplace

Music metadata and streaming

Music metadata and artwork

Song lyrics search

Internet radio station database

Music recognition data

Guitar/bass/drum tabs

Portuguese lyrics database

Bird sound recordings

Movies and TV show database

Movie info (IMDB alternative)

TV show info, episodes, schedules

Star Wars universe data

Characters, locations, episodes

Unofficial MyAnimeList API

Star Trek information database

Game of Thrones data

Studio Ghibli film data

Harry Potter universe data

Marvel comics characters and stories

Breaking Bad quotes and characters

Final Space TV show data

Movie/TV watching tracking

Anime and manga discovery

Random Chuck Norris jokes

Random dad jokes

Programming and general jokes

Random jokes by type

Meme templates and generation

Books, covers, and related data

Book search, metadata, previews

Project Gutenberg books API

Poetry collection database

Bible text in multiple languages

Quran text with translations

Scholarly article metadata

Polish e-book library

Bible in 200+ languages

Bhagavad Gita text and translations

Vedic text data

Tamil literature with English translation

Book catalog and metadata

Sikh scripture API

British Library book data

Open scholarly works database

Academic paper search

Open access research papers

Book search and metadata

Book data by ISBN

Meal recipes and ingredients

Cocktail recipes

Worldwide food product data

Comprehensive food and recipe API

Recipe search and nutrition data

US brewery data

Brewdog beer recipes

Food nutrition data

US food composition data

Whisky auction data

Hot coffee images

Local food marketplace data

Random food dish photos

Fruit nutrition data

Brewery data worldwide

Random meal generator

Recipe search engine

Natural language nutrition API

Tasty/BuzzFeed recipe data

Beer and brewery data

COVID-19 global statistics

FDA drug and device data

US healthcare data

US healthcare provider registry

Medical NLP and terminology

Nutrition data and tracking

World Health Organization data

AI-powered symptom checker

Drug labels and side effects

Workout and exercise database

Exercise data with animations

Fitness and health tracking data

1300+ exercise descriptions

Exercise by muscle group

Clinical trial information

Drug and pharmaceutical data

Calorie and nutrition tracking

Chemical compound data

Drug naming standards

Medical diagnosis codes

Trivia about numbers and dates

Real-time earthquake data

Chemical compound information

Nobel Prize laureate data

Open access research papers

Scientific paper metadata

Global biodiversity data

Nature observations worldwide

Threatened species data

Plant species database

Open science project data

Math calculation API

Computational knowledge engine

NIST physical constants

Materials science data

Mineral data worldwide

Particle physics research data

Genetic sequence database

Protein data

Animal movement tracking data

NASA data, images, APOD

SpaceX launches and rocket data

ISS location and crew

Daily space images from NASA

Mars rover imagery

Near-Earth object tracking

Space weather notifications

Space-related news articles

Rocket launch schedules

Asteroid data and rankings

Planet and solar system data

Satellite orbital elements

Satellite tracking

ISS position tracking

Earth polychromatic images

Exoplanet discoveries data

Astrophotography platform

Sunrise/sunset times globally

ISS pass predictions

Space object catalog data

Geocoding and reverse geocoding

Maps, geocoding, navigation

Forward and reverse geocoding

IP address lookup

IP geolocation (no key needed)

IP address geolocation

Zip/postal code lookup

Country data (population, capital, etc.)

Country details by code or name

Geographical data for all countries

City, country, and region data

UK postcode lookup

3-word address system

OpenStreetMap data querying

Geocoding and maps

Maps and directions

Routing and geocoding

Geocoding, places, routing

IP geolocation and reverse geocoding

IP geolocation

US government open data

US public data (census, economy)

US federal spending data

UK government content and data

Bank holidays JSON endpoint

Public holidays 90+ countries

American census data

US federal election campaign data

US Congress legislative data

Financial Instrument Global ID

US crime statistics

European Union datasets

French government open data

Australian government datasets

US state legislature data

World development indicators

OECD statistical data

Exchange rates

US government regulations

Hungarian procurement data

Wikipedia article content

Dictionary via MediaWiki API

Trivia questions database

University data by country

English dictionary and thesaurus

Word-finding query engine

Definitions, synonyms, rhymes

Slang and informal definitions

Dictionary and thesaurus

Oxford English Dictionary API

Profanity content filter

Random Kanye West quotes

Random famous quotes

Inspirational quotes

Random advice

Random useless facts

Translate to Yoda, Pirate, etc.

Mathematical computations

Country reference data

Random user data for prototyping

Open-source machine translation

Translation memory API

Google Translate alternative

High-quality neural translation

Google's translation API

Azure cognitive services

Language detection API

Grammar and spell checking

Machine translation (90+ languages)

Novelty translations (Yoda, Pirate)

Multilingual dictionary

English word data

Word finding and associations

Dictionary entries for 30+ languages

Translation by Yandex

Random dog images by breed

Random cat images

Dog breed images and info

Random cat facts

Random dog facts

Random fox images

Random duck images

Random Shiba Inu pictures

Cat images for HTTP status codes

Dog images for HTTP status codes

Placeholder kitten images

Placeholder bear images

Placeholder dog images

US fish species data

Birding observations worldwide

Random cat facts

Zoo animal facts and images

Axolotl pictures and facts

Adoptable pet listings

Bird sound recordings

Artwork and collection data

Met Museum collection API

Dutch art collection

Harvard art collection data

Smithsonian Design Museum

European cultural heritage

Random placeholder photos

Avatar generation (SVG)

Unique robot images from text

AI color palette generator

Community color palettes

Emojis by category and group

Favicons for any website

Icon search and download

Noise background generator

SVG pixel art generator

Custom placeholder images

Text-based avatar images

High-quality free stock photos

Free stock photos and videos

Repos, users, gists, issues

GitLab repos and CI/CD data

Stack Overflow Q&A data

Node package information

JavaScript library metadata

HTTP request/response testing

Fake REST API for testing

Fake REST API for front-end testing

Random activity suggestions

Directory of OpenAPI specs

Echo back HTTP requests

Age prediction from name

Gender prediction from name

Nationality prediction from name

Container image registry

Open source package monitoring

Rust package registry

Python package index

Simple counting service

Free JSON storage

Chat, voice, community platform

Telegram bot creation

Team communication platform

Decentralized social networking

AT Protocol social network

Global avatar service

Comment hosting platform

Live streaming platform

Video metadata and search

Video hosting platform

GIF search and trending

GIF search engine

Decentralized messaging protocol

Chat for developers

Tech community content

Federated link aggregator

Push notifications

Push notifications via HTTP

Email marketing platform

Transactional email service

Pokémon data encyclopedia

Dungeons & Dragons 5th edition

Video game database (500k+ games)

Internet Game Database

Game price comparisons

Free-to-play game listings

Game giveaways and loot

Trivia quiz questions

Virtual card deck simulator

Board game data and reviews

MTG card data

Pokémon Trading Card data

MTG card search

Nintendo Amiibo database

Zelda BOTW data

League of Legends static data

Steam game and user data

RuneScape game data

Clash of Clans player/clan data

Fortnite stats and data

Live air traffic data

Real-time flight data

Aircraft tracking data

US vehicle safety data

San Francisco Bay Area transit

London public transport data

Worldwide bike sharing data

EV charging stations worldwide

Public transit route data

German railway data

General Transit Feed Specification

Ship tracking data

OpenStreetMap transport queries

Multi-modal transport routing

Boston public transit data

VIN decoding and lookup

Flight tracking and status

European public transit routing

Multi-modal transport planning

Indian bank branch codes

Open air quality data

World Air Quality Index

Real-time carbon intensity

Power grid carbon intensity

Environmental Protection Agency data

Global fishing activity data

US water condition monitoring

Greenhouse gas emissions data

Satellite environmental data

Plastic pollution data

Solar and meteorological data

Global air pollution data

Carbon emission calculations

Emission factor database

Deforestation monitoring

Earth environmental imagery

US climate datasets

EU environmental data

Water quality monitoring (US)

US air quality data (EPA)

Job search aggregator

Developer job listings

Remote job listings

Job search aggregation

UK job listings

Job board API

Company data enrichment

Domain name search

Email finding and verification

Company and startup data

Corporate entity data

Company data by domain

Freelance project listings

Project management boards

Workspace and database API

Payment processing

Payment processing

Financial data aggregation

Non-profit charity data

Job listing data

Data breach checking

File/URL malware scanning

Internet-connected device search

IP address reputation check

URL analysis and scanning

Malware URL database

Unsafe URL detection

DNS and domain intelligence

Phishing URL database

Threat intelligence sharing

Internet asset discovery

Malware sample sharing

Threat intelligence platform

Virtual debit cards

Authentication platform

Website security scanner

SSL/TLS testing API

Search engine for threat intel

Malware analysis service

Internet background noise data

Generate QR codes

URL shortener

URL shortener

Chart image generation

Chart and graph images

Image compression

Website metadata extraction

Ephemeral file sharing

Free JSON cloud storage

Email address validation

Phone number validation

Public IP address

IP geolocation lookup

Website performance analysis

Cron expression parser

Generate UUIDs via API

Random fake user generation

Placeholder text generator

Free JSON storage API

Beautiful code snippet images

Resource to help get pets adopted with searchable database of adoptable animals

Collection of axolotl pictures and facts

Cat as a service - generate cat pictures and GIFs with custom text overlays

Pictures of cats sourced from Tumblr

Information and pictures about individual fish species from NOAA

Dog images for every HTTP response status code

Get random cat facts in multiple languages

Placeholder dog pictures for design and development

Random pictures of ducks via simple API

Pet adoption search across thousands of shelters and rescue groups

Public service about dogs - breeds, images, and facts

World Register of Marine Species - authoritative list of marine species names and taxonomy

Facts and pictures of zoo animals with random endpoint

Global Biodiversity Information Facility - species taxonomy, occurrences, and biodiversity data

Citizen science platform API for species observations, identifications, and biodiversity data

Conservation status and data for North American species including animals and plants

Scientific facts on thousands of animal species with search by name

API providing species data and information about whales and marine mammals

Comprehensive dataset of human-shark interactions and incident reports

List of endangered species and their characteristics in JSON format

Pictures of dogs based on the Stanford Dogs Dataset with breed endpoints

Australian biodiversity data including species profiles, occurrences, and spatial data

Comprehensive species information aggregated from multiple biodiversity sources

Comprehensive phylogenetic tree of all life on Earth with taxonomy services

The most comprehensive authoritative index of the world's known species

Authoritative taxonomic information on plants, animals, fungi, and microbes

US Fish and Wildlife Service threatened and endangered species data by location

API with information on bird species including images, taxonomy, and conservation status

Bird identification and species data from Cornell Lab of Ornithology

Global bird species conservation status and distribution data

Marine biodiversity data from standardized reef surveys worldwide

Global open-access database on marine biodiversity observations

Archive of wildlife media - bird and animal sounds and images from Cornell Lab

Comprehensive database of amphibian species biology and conservation

Comprehensive taxonomic database of all living reptile species

UK National Biodiversity Network species observations and occurrence data

Birding hotspot locations and recent observations worldwide via Cornell Lab

Natural History Museum butterfly specimen data and taxonomy

Barcode of Life Data System - DNA barcoding for animal species identification

Structured species data from Wikidata knowledge base via SPARQL endpoint

Access Wikipedia articles about animal species via MediaWiki API

Search and retrieve animal and wildlife photos from the Flickr community

Standardized georeferenced marine regions and places - ocean geography for species mapping

GRIIS database of verified invasive species by country via GBIF

Data on species protected by CITES and CMS international trade agreements

Fossil and paleontological data for extinct animals across geological time

Species range maps and biodiversity information for animals worldwide

Taxonomic classification data via the Mindat.org API for biological specimens

Bird species data for Neotropical region from Cornell Lab of Ornithology

Data on marine debris and its impact on ocean wildlife and ecosystems

Projecting Responses of Ecological Diversity In Changing Terrestrial Systems biodiversity database

Vertebrate biodiversity data from natural history museums and collections worldwide

Shared bird sounds from around the world with species metadata

Comprehensive database of animal longevity and ageing data across species

Predicted species distribution maps for marine species worldwide

Comprehensive database of marine non-fish organisms with species data

Comprehensive bird taxonomic database with checklists and distribution data

Botanical and ecological data API covering plant-animal ecosystem relationships

Comprehensive dog breed information including characteristics, temperament, and images

Vessel tracking and fishing activity data to monitor marine ecosystem impact on wildlife

Open access API with 63,000+ artworks and 34,000 images under CC0

Access to the V&A collection of art, design, and performance objects

Over 4 million free stock photos, illustrations, vectors and videos

Access billions of photos with Creative Commons search and metadata

Discover the world's top designers and creatives

Access millions of icons and photos for design projects

Search and retrieve icons in various styles and formats

Free icons, photos, illustrations and music for design

Get favicons for any website with smart fallbacks

Animated icons library with predone animations

Universal icon framework with 200,000+ icons from 150+ sets

Community-driven color palettes, patterns and creative inspiration

Generate and convert colors with a simple REST API

AI-powered color palette generator from keywords

Swiss army knife for color conversion, naming and schemes

Get emojis organized by categories and groups via REST API

Generate noise background images with customizable parameters

Generate word cloud images from text programmatically

Generate beautiful screenshots and images via API

Semantic AI search to discover artworks across collections

Access logotypes of the world in multiple formats

AI-generated motivational posters and inspirational quotes

Generate placeholder images in SVG, PNG, JPEG and more

Customizable placeholder image service with text and colors

Metadata for accessioned collections and Teenie Harris Archive under CC0

70,000 artworks dataset from Tate Gallery under CC0 license

130,000+ artworks and 15,000+ artists from the Museum of Modern Art

Open data for 130,000+ artworks and artists under CC0

Access 1.2 million images from the Prints and Photographs catalog

Linked Open Data for artworks and artists under CC0

Linked Open Data for art terms, artists, places and materials

Structured data for paintings worldwide with SPARQL access

High resolution images and IIIF resources for British art

Wikidata collection of 4,500+ paintings with high-res images

Scientific illustrations and biodiversity artwork API

Open-source text and image generation API, no signup required

Generate custom QR codes with logos and design options

Free QR code generation API for various data types

Collection of simple SVG icons served via a fast CDN API

Free hand-drawn vector illustrations for any project

Open-source illustrations for any idea you can imagine

Discover creative work from designers and artists worldwide

Curated anime-style artwork and waifu images API

AI-generated artwork images that don't exist in real life

Multicultural avatar generator with 12 billion unique avatars

Generate customizable cartoon avatars in SVG format

Placeholder avatars for user profiles and prototyping

Generate unique user avatars from name or email

Collection of repeatable SVG background patterns

Generate beautiful SVG triangle mesh backgrounds

International standard for serving and manipulating images

Search engine for openly-licensed creative works (CC Search successor)

Access to millions of digital records from 20 Smithsonian museums

Open API for the Brooklyn Museum's art collection

Open access to the Mia art collection via Elasticsearch

IIIF manifests for European cultural heritage images

Access millions of items from US libraries, archives and museums

IIIF image service for high-resolution Dutch masterworks

Explore artworks, exhibits and collections from cultural institutions

Browse and download public domain classical art and posters

Full text of classic poetry with search by author, title, lines, and line count

Free Bible API with multiple languages, returns verses and passages in JSON

RESTful Quran API to retrieve Ayah, Surah, Juz or the entire Holy Quran

Free Quran API with 90+ languages and 400+ translations

RESTful Quran API with multiple languages and audio recitations

Everything you need from the Bible in one discoverable place, multiple versions

Manage multiple versions of the Bible in Portuguese and other languages

Free unlimited Bible API with support for 200+ versions and languages

Open source REST API for Shrimad Bhagavad Gita with Sanskrit and translations

Bhagavad Gita API with 21+ author translations in Sanskrit, English, and Hindi

Bhagavad Gita API in Telugu and Odia languages

Gods and poets, their categories, and verse meters with mandal and sukta numbers

Descriptions of all nouns (names, places, animals, things) from Vedic literature

1330 Thirukkural poems and explanation in Tamil and English

Fast and accurate Gurbani RESTful API for Sikh scriptures

Open source digital library of Jewish texts: Torah, Talmud, Mishnah, Midrash and more

Classic Persian poetry works with manuscripts, recitations and music tracks

All data from Game of Thrones / A Song of Ice and Fire universe: characters, books, houses

Data from the Lord of the Rings universe: books, characters, quotes, movies

Harry Potter database API with books, characters, movies, spells, and potions

Get information from the Harry Potter universe: spells, elixirs, houses

Data about the works and characters of prolific author Stephen King

API for e-books available on WolneLektury.pl, a Polish free digital library

Free public domain audiobooks API with metadata, authors, and genres

New York Times bestseller lists, book reviews, and recommendations

Free REST API for quotes from books and fiction novels

Get information about literary works including titles, authors, and summaries

Get instant data from a vast poetry collection by author, title, or term

Tens of thousands of famous quotes with filtering by tags, author, and work

Poem of the day, random poems, search by author, tag, and keyword

Comprehensive comic book database with characters, issues, publishers, and story arcs

Access Marvel's vast library of comics, characters, creators, events, and series

GraphQL book API for book metadata, reviews, and reading lists

Open collaborative knowledge base for books built on Wikidata

Federated ActivityPub-based book tracking and social reading platform API

Semantically search, filter, sort, and get book recommendations

High-quality, free public domain ebooks with modern typography via OPDS feed

Free public domain books and original content catalog via OPDS API

Catalog of over 50,000 free ebooks from public domain works

Free peer-reviewed textbook content API for education

Historic American newspapers API from the Library of Congress National Digital Newspaper Program

REST API for The Stacks digital library project exploring book digitization data

Access wiki data from thousands of fiction universes on Fandom wikis

Free open-source quotations API with random quotes, search, and filtering

Random quotes from Stoic philosophers like Marcus Aurelius, Seneca, Epictetus

Inspirational quotes API with random quotes, quote of the day, and author filtering

API for the Dune universe: books, characters, quotes from Frank Herbert's series

Data about Naruto manga characters, clans, villages, and jutsu

Unofficial MyAnimeList API for manga/anime metadata, reviews, and recommendations

Community-driven manga reading platform API with manga metadata and chapters

GraphQL API for anime and manga data, tracking, reviews, and recommendations

Anime and manga tracking platform API with social features

Manage users, books, authors, loans, and reviews for library apps

Japanese public domain literature library API (Aozora Bunko catalog)

RESTful API for Dungeons & Dragons 5th edition SRD rules, spells, monsters, and equipment

Community-driven D&D 5e API with SRD content plus third-party publisher data

Data on 700+ comic book superheroes and villains from multiple publishers

Doujinshi metadata API for manga and related metadata

RESTful API providing access to over 20,000 fiction books from Project Gutenberg

API that returns science fiction award-winning book recommendations

Open, editable library catalog with data on millions of books ever published

Search and retrieve book information, metadata, and previews from Google's vast book index

Access NASA data including Astronomy Picture of the Day, Mars rover photos, and satellite imagery

Searchable access to millions of scholarly article bibliographic metadata and citation data

AI-powered research tool providing access to over 200 million academic papers with citations

Find free legal full-text versions of research articles via DOI lookup

Access Cornell's open-access repository of scientific e-prints in physics, math, CS, and more

Access over 70,000 free eBooks from the public domain literary archive

Free knowledge base with structured data for millions of entities used across Wikimedia projects

Structured information extracted from Wikipedia available as linked open data

Open catalog of the global research system with papers, authors, institutions, and concepts

Access millions of open access research papers from repositories and journals worldwide

Access digital collections, bibliographic data, and resources from the US Library of Congress

Access millions of free books, movies, software, music, and websites from the Wayback Machine

Astronomical data including planet positions, star charts, and moon phases for any date and location

Access data on supernovae, tidal disruption events, and other astronomical transients

SAO/NASA Astrophysics Data System digital library for astronomy and physics research

Open dataset about research and scholarly activities aggregated from many sources

Free, peer-reviewed openly licensed textbooks for college and high school courses

Search millions of items from European museums, galleries, libraries, and archives

Access artwork data, images, and exhibition information from the Art Institute of Chicago

Access artwork data and images from The Met's collection of over 470,000 artworks

Access the collection data and images of the Rijksmuseum in Amsterdam

Access the Harvard Art Museums collections including over 250,000 objects

Access the Smithsonian Design Museum collection data and metadata

Access chemical information including compound structures, properties, and bioactivities

Access biomedical literature citations and abstracts from MEDLINE and life science journals

Current location of the International Space Station and number of people in space

Get sunrise and sunset times for any location based on latitude and longitude

Collaborative database of food products with ingredients, nutrition facts, and more

Global Biodiversity Information Facility with data on all types of life on Earth

Access biodiversity observations, species data, and identification from citizen scientists

Real-time and historical earthquake data from the US Geological Survey

Access global development data including indicators for countries and regions worldwide

Get information about countries including population, languages, currencies, and flags

Geographical database with over 25 million place names and geographic information

Generate trivia questions by category and difficulty via a community-contributed database

Trivia questions from the Jeopardy! game show database with over 200,000 clues

Access space-related news articles, blogs, and reports from various sources

Open source REST API for SpaceX launch, rocket, capsule, and pad data

Comprehensive database of past and upcoming space launches worldwide

Access researcher identity data linking researchers to their scholarly contributions

Open citation data providing bibliographic and citation information for scholarly works

Access digital assets from the Smithsonian Institution's collections across all museums

Access millions of items from America's libraries, archives, and museums

Access bibliographic data from HathiTrust's collection of millions of digitized volumes

Database of books with ISBNs, providing title, author, publisher, and subject data

Search OCLC's WorldCat database of library holdings from thousands of libraries

Access metadata for millions of articles, books, and journals from Springer Nature

Directory of Open Access Journals providing metadata for thousands of open access journals

Shared bird sounds from around the world with species, location, and recordist data

Botanical data API with information on plant species, distributions, and taxonomy

Access conservation status data for animal and plant species worldwide

Public dataset of evaluation questions and answers for testing AI education models

Free API for accessing classic poetry by author, title, lines, and linecount

Free currency exchange rate API with historical data from the European Central Bank

Earth Observatory Natural Event Tracker providing real-time natural events data

Astronomy Picture of the Day with explanation by a professional astronomer

Perform mathematical operations including simplify, factor, derive, integrate, and more

Simulate a deck of cards for educational probability and statistics demonstrations

Official Carbon Intensity API for Great Britain developed by National Grid

Carbon intensity and electricity mix data for regions worldwide in real-time

Public API for US water quality, streamflow, and groundwater data

Renewable energy data APIs including solar, wind, and energy efficiency from NREL

Estimate energy production of photovoltaic (PV) energy systems

Social network API for nature observations, species identification and biodiversity data

Global conservation status data for animal, fungus, and plant species

Conservation status data for 100,000+ species and ecosystems in the Americas

Ocean Biodiversity Information System - global open-access marine species data

Access NASA's Earth science data collections including satellite and climate data

Global Imagery Browse Services for full-resolution NASA Earth science imagery

Real-time earthquake data, catalogs, and hazard information

Open disaster declarations, hazard mitigation, and emergency management data

Historical weather and climate data from thousands of stations worldwide

Estimate the carbon footprint of loading web pages

Calculate impact of carbon-intensive activities and purchase offsets in real time

Electricity usage estimations, carbon footprint estimations, and utility data

Environmental impact API for tree planting, carbon offsetting and ocean cleanup

Open data from the UK's largest water and wastewater services company

Open data from Great Britain's Electricity System Operator

Predicted and actual air quality data for The Netherlands (RIVM)

Green Power Index for Germany showing renewable energy share in grid

Open energy data from Energinet covering Danish electricity and gas markets

Open low-cost PM2.5 sensor data from worldwide sensor networks

Hourly usage energy reports for Salt River Project utility customers

Solar irradiance and weather data for solar energy forecasting worldwide

Access to global climate data including temperature, precipitation, and wind

Near real-time satellite monitoring of coral reef environmental conditions

European atmospheric composition data including air quality forecasts

Free access to quality-assured climate datasets from European Climate Service

US water quality, biological, and physical data from EPA, USGS, and 400+ agencies

Botanical data API with information on 1M+ plant species worldwide

Free air quality forecast API with PM2.5, PM10, ozone, NO2 and more

Global database of finfish species with ecological and biological data

Citizen-science coral reef health monitoring data from worldwide surveys

Climate data and indicators from the World Bank Climate Knowledge Portal

Comprehensive phylogenetic tree synthesizing published evolutionary relationships

Integrate environmental impact actions like tree planting and carbon offsets

Environmental quality data including air, pollen, noise, water, UV worldwide

Calculate carbon footprint for flights, vehicles, electricity, and more

EPA environmental data covering air, water, waste, toxics, and radiation

Meteorological and solar energy data from NASA for renewable energy applications

Track global fishing activity and vessel monitoring for ocean sustainability

Real-time and archived ocean observatory data from deep-sea sensors

World Air Quality Index with real-time data from 12,000+ monitoring stations

Open geospatial data on wildlife refuges, wetlands, and endangered species

Access Copernicus Sentinel satellite imagery for environmental monitoring

NASA Fire Information for Resource Management - active fire and hotspot data

Copernicus Emergency Management Service for global flood detection

Open STAC catalog for Sentinel, Landsat and other Earth observation data

High-frequency satellite imagery for environmental and agricultural monitoring

Access species name records, occurrences and taxonomic backbone separately from GBIF

European electricity generation, consumption and cross-border flow data

Real-time, daily and weekly streamflow conditions across the US

Historical carbon dioxide emissions data from fossil fuels by nation since 1751

Free weather and climate reanalysis data from European Centre for Medium-Range Weather Forecasts

NASA's bio-optical and biogeochemical ocean data archive

Standardized marine georeferenced place names and maritime boundaries

Access global bird taxonomy, species lists and regional checklists

Open-source research and data on CO2 emissions, energy, and environmental change

Free REST API for real-time and historical stock market data from 70+ exchanges worldwide

Free stock API for financial statements, historical prices, and company data

End-of-day historical stock data, fundamentals, and real-time prices for global exchanges

Bitcoin, Ethereum and cryptocurrency prices, wallets, and transactions

Cryptocurrency exchange API for market data, trading, and account management

Cryptocurrency exchange with market data, trading pairs, and order book data

Onchain GraphQL APIs and DEX APIs for 40+ blockchains including Ethereum and Solana

All cryptocurrency exchanges integrated under a single unified REST and WebSocket API

Multi-blockchain data aggregator providing balances, transactions, and token data via unified API

Web3 API for token prices, wallet balances, NFT data, and DeFi across multiple chains

Blockchain development platform with APIs for Ethereum, Polygon, Solana, and more

Decentralized indexing protocol for querying blockchain data with GraphQL

Binance Smart Chain explorer API for transactions, tokens, and smart contract data

Polygon (MATIC) blockchain explorer API for transactions, tokens, and contract verification

Solana blockchain explorer API for account info, token data, and transaction history

Real-time DEX trading data, token prices, and pair analytics across multiple chains

Free on-chain DEX data API by CoinGecko for pools, tokens, and trading activity

DEX aggregator API for token swaps at best prices across decentralized exchanges

Decentralized exchange protocol with subgraph API for liquidity pools and swaps data

DeFi lending protocol API for borrow/supply rates, reserves, and user positions

Free foreign exchange rates API with currency conversion and historical data

Foreign exchange rates API with historical data published by the European Central Bank

Free currency conversion and exchange rates API with 150+ currencies

Open-source currency exchange rates API based on European Central Bank data

Simple and lightweight API for real-time foreign exchange rates

Forex API with live rates for 160+ currencies and 500+ cryptocurrencies

Financial services API connecting apps to bank accounts for transactions and balances

Payment processing API for online businesses with free test mode

Indian payment gateway API for accepting payments, payouts, and subscriptions

International money transfer API with real exchange rates and low fees

Advanced cryptocurrency trading API with real-time market data and order management

Digital asset price data and indices for the blockchain industry

Financial and technical data related to the Bitcoin network and markets

Cryptocurrency exchange API for market data, trading, and wallet management

European crypto exchange API for live ticker, order book, and trading data

Cryptocurrency derivatives exchange API with spot and futures market data

Crypto derivatives and spot trading API with market data and account management

Cryptocurrency exchange API with spot, futures, and margin trading data

Global cryptocurrency exchange API for market data, trading, and account info

Crypto exchange API with spot and futures market data and trading endpoints

US-regulated cryptocurrency exchange API for market data and trading

Professional NFT API supporting Ethereum, Solana, Polygon, and 20+ blockchains

NFT marketplace API for collections, assets, events, and listings data

NFT trading and data API aggregating orders across major NFT marketplaces

Open API for DeFi TVL, yields, stablecoins, and protocol data across all chains

DeFi portfolio tracking API for wallet balances, positions, and transactions

Web3 wallet data API for portfolio tracking across 38+ blockchains

Decentralized oracle network providing real-world data to smart contracts

Ethereum and IPFS API infrastructure for dApp development

Multi-chain blockchain API with RPC endpoints for Ethereum, Solana, and 20+ networks

Multi-chain RPC and data API for Web3 development with free tier

TRON blockchain API for smart contracts, transactions, and token data

Arbitrum blockchain explorer API for transactions, tokens, and gas data

Avalanche C-Chain explorer API for transactions, blocks, and token transfers

Brazilian stock exchange (B3) API for stocks, dividends, FIIs, and ETFs

Free historical stock, index, and commodity data in CSV format

Economic data from the Federal Reserve Bank of St. Louis with 800K+ time series

Global development data including GDP, inflation, trade, and economic indicators

US Securities and Exchange Commission filings, financial statements, and company data

Financial, economic, and alternative datasets from Nasdaq Data Link

Random pictures of food dishes from various categories

Parse recipe ingredients into structured JSON data

Data about various grocery products and foods with barcode lookup

Supermarket product data, store locations, and cart management

Recipe data, meal plans, and ingredient information from Tasty

Comprehensive nutrition database with barcode lookup and recipe search

Data about Jelly Belly beans, flavors, facts, recipes, and history

Resizable bacon placeholder images for web development

Pizza images for every HTTP status code

Random high-quality pictures of coffee

Social beer sharing platform with ratings, reviews, and brewery data

Liquor Control Board of Ontario alcohol product database

NYPL human-transcribed historical menu collection spanning decades

Food and drink review data and ratings

Swedish government-owned liquor store product data

Beer brewing calculation tools and utilities API

Personalized meal plans, recipe search, and nutrition analysis via GraphQL

Search over 200,000 recipes by name and ingredients

Get detailed nutrition info for any food item using natural language

Wine scores and ratings from professional critics worldwide

Food menu data for burgers, pizzas, steaks, desserts, and more

Fake recipe data for testing and prototyping applications