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2,078 APIs · page 6 of 44

Callook.info

United States ham radio callsigns

No authHTTPSCORS ?

Open Data

CalorieNinjas

Nutrition and calorie data for foods and recipes

apiKeyHTTPSCORS

Food & Drink

Can I enter

Visa and entry requirements for 199 passports, cited to official sources, verified daily

No authHTTPSCORS

Transportation

C

Canadian Football League (CFL)

Official JSON API providing real-time league, team and player statistics about the CFL

apiKeyHTTPSNo CORS

Sports & Fitness

CAPEsandbox

Malware execution and analysis

apiKeyHTTPSCORS ?

Anti-Malware

Carbon Interface

API to calculate carbon (C02) emissions estimates for common C02 emitting activities

apiKeyHTTPSCORS

Environment

CardBinCheck

Card BIN/IIN lookup: network, issuer, country and card type for the first 6-8 digits

No authHTTPSCORS

Finance

Cartes.io

Create maps and markers for anything

No authHTTPSCORS ?

Geocoding

CARTO

Location Information Prediction

apiKeyHTTPSCORS ?

Open Data

CartScout

Price, stock, variants and GTIN from Shopify, WooCommerce, Walmart and eBay product pages

apiKeyHTTPSCORS ?

Shopping

CarVector

Vehicle specs, images, recalls, and DTC codes across 1925-2029

apiKeyHTTPSCORS

Vehicle

Cat Facts

Daily cat facts

No authHTTPSNo CORS

Animals

Cat Facts

Random cat facts

No authHTTPSCORS

Animals

C

Catalogopolis

Doctor Who API

No authHTTPSCORS ?

Video

Catboy

Neko images, funny GIFs & more

No authHTTPSCORS

Anime

C

Catch The Show

REST API for next-episode.net

No authHTTPSCORS ?

Video

Cats

Pictures of cats from Tumblr

apiKeyHTTPSNo CORS

Animals

CDNJS

Library info on CDNJS

No authHTTPSCORS ?

Development

Census.gov

The US Census Bureau provides various APIs and data sets on demographics and businesses

No authHTTPSCORS ?

Government

Censys

Search engine for Internet connected host and devices

apiKeyHTTPSNo CORS

Security

Chainlink

Build hybrid smart contracts with Chainlink

No authHTTPSCORS ?

Blockchain

Chainpoint

Chainpoint is a global network for anchoring data to the Bitcoin blockchain

No authHTTPSCORS ?

Blockchain

Changelogs.md

Structured changelog metadata from open source projects

No authHTTPSCORS ?

Development

ChargeAlong

EV charging sites in AU, NZ, US, UK and Canada, with nearby search and trip planning

No authHTTPSCORS

Transportation

C

ChartBytes

Chart image API: turn a URL into a PNG or SVG chart (bar, line, area, scatter, pie, donut, stacked)

No authHTTPSCORS

Development

CheapShark

Steam/PC Game Prices and Deals

No authHTTPSCORS

Games & Comics

Checkiday - National Holiday

Industry-leading holiday data with over 5,000 holidays and thousands of descriptions

apiKeyHTTPSCORS ?

Calendar

CheetahO

Photo optimization and resize

apiKeyHTTPSCORS ?

Photography

Chempirical

Chemical compounds with physical data, reactions and substructure search

No authHTTPSCORS

Science & Math

Chess.com

Chess.com read-only REST API

No authHTTPSCORS ?

Games & Comics

Chinese Text Project

Online open-access digital library for pre-modern Chinese texts

No authHTTPSCORS ?

Dictionaries

Chomp

Data about various grocery products and foods

apiKeyHTTPSCORS ?

Food & Drink

chucknorris.io

JSON API for hand curated Chuck Norris jokes

No authHTTPSCORS ?

Entertainment

Ciprand

Secure random string generator

No authHTTPSNo CORS

Development

CircleCI

Automate the software development process using continuous integration and continuous delivery

apiKeyHTTPSCORS ?

Continuous Integration

CISA Known Exploited Vulnerabilities

CISA KEV catalog of actively exploited CVEs as JSON, filterable by vendor, with CWE and due dates

apiKeyHTTPSCORS ?

Security

Cisco Spark

Team Collaboration Software

OAuthHTTPSCORS ?

Social

Citi

All Citigroup account and statement data APIs

apiKeyHTTPSCORS ?

Finance

Cito UFC API

UFC and MMA fight data: fighters, cards, round stats, rankings and live state

apiKeyHTTPSNo CORS

Sports & Fitness

C

City Bikes

City Bikes around the world

No authHTTPSCORS ?

Sports & Fitness

City, Berlin

Berlin(DE) City Open Data

No authHTTPSCORS ?

Government

City, Gdańsk

Gdańsk (PL) City Open Data

No authHTTPSCORS ?

Government

City, Helsinki

Helsinki(FI) City Open Data

No authHTTPSCORS ?

Government

C

City, Lviv

Lviv(UA) City Open Data

No authHTTPSCORS ?

Government

City, Nantes Open Data

Nantes(FR) City Open Data

apiKeyHTTPSCORS ?

Government

City, New York Open Data

New York (US) City Open Data

No authHTTPSCORS ?

Government

City, Toronto Open Data

Toronto (CA) City Open Data

No authHTTPSCORS

Government

CityAlert

Live public-safety incidents: crime, fire, disaster, weather and news from 650+ official feeds

No authHTTPSNo CORS

Open Data

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