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2,078 APIs · page 7 of 44

CitySDK

Open APIs for select European cities

No authHTTPSCORS ?

Geocoding

Clair

Live public web data as JSON: Google Search, Maps, News, Amazon, jobs, reviews & more, one API key

apiKeyHTTPSNo CORS

Development

C

Clarifai

Computer Vision

OAuthHTTPSCORS ?

Machine Learning

Clash of Clans

Clash of Clans Game Information

apiKeyHTTPSCORS ?

Games & Comics

Clash Royale

Clash Royale Game Information

apiKeyHTTPSCORS ?

Games & Comics

C

Classify

Encrypting & decrypting text messages

No authHTTPSCORS

Security

claudecookie

Convert cookie formats, check Claude sessions and generate Claude Code credentials

No authHTTPSCORS

Development

C

CleanURI

URL shortener service

No authHTTPSCORS

URL Shorteners

Clearbit Logo

Search for company logos and embed them in your projects

apiKeyHTTPSCORS ?

Business

ClearTrace

Cross-frontend DEX attribution and execution quality data across Ethereum and L2s

No authHTTPSCORS

Blockchain

C

ClickMeter

Monitor, compare and optimize your marketing links

apiKeyHTTPSCORS ?

URL Shorteners

ClickUp

ClickUp is a robust, cloud-based project management tool for boosting productivity

OAuthHTTPSCORS ?

Documents & Productivity

Clico

URL shortener service

apiKeyHTTPSCORS ?

URL Shorteners

Climatiq

Calculate the environmental footprint created by a broad range of emission-generating activities

apiKeyHTTPSCORS

Environment

Cloudbet

Official Cloudbet API provides real-time sports odds and betting API to place bets programmatically

apiKeyHTTPSCORS

Sports & Fitness

CloudConvert

Online file converter for audio, video, document, ebook, archive, image, spreadsheet, presentation

apiKeyHTTPSCORS ?

Documents & Productivity

Cloudflare

Manage DNS, CDN, Workers and other services; documented with an official OpenAPI 3.0 spec

apiKeyHTTPSNo CORS

Development

Cloudflare Trace

Get IP Address, Timestamp, User Agent, Country Code, IATA, HTTP Version, TLS/SSL Version & More

No authHTTPSCORS

Development

Cloudmersive

Image captioning, face recognition, NSFW classification

apiKeyHTTPSCORS

Machine Learning

Cloudmersive Document and Data Conversion

HTML/URL to PDF/PNG, Office documents to PDF, image conversion

apiKeyHTTPSCORS

Documents & Productivity

Cloudmersive Natural Language Processing

Natural language processing and text analysis

apiKeyHTTPSCORS

Text Analysis

Cloudmersive Validate

Validate email addresses, phone numbers, VAT numbers and domain names

apiKeyHTTPSCORS

Email

Cloudmersive Validate

Validate international phone numbers

apiKeyHTTPSCORS

Phone

Cloverly

API calculates the impact of common carbon-intensive activities in real time

apiKeyHTTPSCORS ?

Environment

CMS.gov

Access to the data from the CMS - medicare.gov

apiKeyHTTPSCORS ?

Health

CO2 Offset

API calculates and validates the carbon footprint

No authHTTPSCORS ?

Environment

Code Detection

Detect, label, format and enrich the code in your app or in your data pipeline

OAuthHTTPSCORS ?

Text Analysis

Code.gov

The primary platform for Open Source and code sharing for the U.S. Federal Government

apiKeyHTTPSCORS ?

Government

Code::Stats

Automatic time tracking for programmers

apiKeyHTTPSNo CORS

Documents & Productivity

Codeberg

Git hosting, repos and issues via Gitea API

No authHTTPSCORS

Development

CodeCogs

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

No authHTTPSCORS ?

Science & Math

Codeforces

Get access to Codeforces data

apiKeyHTTPSCORS ?

Programming

Codeship

Codeship is a Continuous Integration Platform in the cloud

apiKeyHTTPSCORS ?

Continuous Integration

Codex

Online Compiler for Various Languages

No authHTTPSCORS ?

Development

Coffee

Random pictures of coffee

No authHTTPSCORS ?

Food & Drink

Cohere

NLP API for text generation, embeddings, classification and summarization with a free trial tier

apiKeyHTTPSCORS

Machine Learning

CoinAPI

All Currency Exchanges integrate under a single api

apiKeyHTTPSNo CORS

Cryptocurrency

Coinbase

Bitcoin, Bitcoin Cash, Litecoin and Ethereum Prices

apiKeyHTTPSCORS ?

Cryptocurrency

Coinbase Pro

Cryptocurrency Trading Platform

apiKeyHTTPSCORS ?

Cryptocurrency

CoinCap

Real time Cryptocurrency prices through a RESTful API

No authHTTPSCORS ?

Cryptocurrency

C

CoinDCX

Cryptocurrency Trading Platform

apiKeyHTTPSCORS ?

Cryptocurrency

CoinGecko

Cryptocurrency Price, Market, and Developer/Social Data

No authHTTPSCORS

Cryptocurrency

Coinigy

Interacting with Coinigy Accounts and Exchange Directly

apiKeyHTTPSCORS ?

Cryptocurrency

Coinlayer

Real-time Crypto Currency Exchange Rates

apiKeyHTTPSCORS ?

Cryptocurrency

Coinlib

Crypto Currency Prices

apiKeyHTTPSCORS ?

Cryptocurrency

CoinLobster

Live executed whale trades across 15 exchanges and on-chain DEX with an unusualness radar

No authHTTPSCORS

Cryptocurrency

Coinlore

Cryptocurrencies prices, volume and more

No authHTTPSCORS ?

Cryptocurrency

CoinMarketCap

Cryptocurrencies Prices

apiKeyHTTPSCORS ?

Cryptocurrency

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