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+ 0 = . / , ] g " # ) > /v1/apis · THE FREE API DIRECTORY
Public APIs[0311]
311 free public APIs across 52 categories. Filter by auth, CORS, HTTPS support — find what you need to build with.
Climatiq
Calculate the environmental footprint created by a broad range of emission-generating activities
Cloudbet
Official Cloudbet API provides real-time sports odds and betting API to place bets programmatically
Cloudmersive
Image captioning, face recognition, NSFW classification
Cloudmersive Document and Data Conversion
HTML/URL to PDF/PNG, Office documents to PDF, image conversion
Cloudmersive Natural Language Processing
Natural language processing and text analysis
Cloudmersive Validate
Validate email addresses, phone numbers, VAT numbers and domain names
Cloudmersive Validate
Validate international phone numbers
Cohere
Harness the power of language understanding. Join the developers and businesses who are using Cohere to generate, categorize and organize text at a scale that was previously unimaginable.
CoinStats
Blockchain and DeFi across 120+ chains, market, historical data, portfolio tracking, news, sentiment, MCP, and agent skills
ColorfulClouds
Weather
CompanyEnrich
API for B2B company data enrichment, domain enrichment, and website enrichment
Complete Criminal Checks
Provides data of offenders from all U.S. States and Puerto Rico
Compress Video API
Compress video files through an asynchronous workflow, a practical API for large-scale or long-duration videos / tasks
Contentful Images
Used to retrieve and apply transformations to images
Convert Currency to Multiple Currencies
Convert currencies from a source currency to multiple target currencies.
Convert HTML to PDF API
This API converts any HTML (file, url, base64) to a PDF
Convert Images to PDF API
Convert any image to a PDF without losing quality with one API call
Convert RSS to JSON
Transform raw RSS data into structured JSON
Convert Speech to Text API
This API converts any speech to text multiple languages and dialects
Convert Text to Speech API
This API converts any text to speech automatically
Convert Word to PDF
Convert a Word document (doc, docx, or ODF formats) to a PDF document
Corbado
Passkey-first authentication
CountryStateCity
World countries, states, regions, provinces, cities & towns in JSON, SQL, XML, YAML, & CSV format
CryptoMarket
Cryptocurrencies Trading platform
CSC to JSON API
Convert CSV files to JSON with this API. Ideal for developers who want to automate data workflows and integrate structured data
CTS
CTS Realtime API
Currencyapi
Currency Conversion API and cryptocurrency prices, updated minutely
CurrencyFreaks
Provides current and historical currency exchange rates with free plan 1K requests/month
CurrencyScoop
Real-time and historical currency rates JSON API
Currents
Latest news published in various news sources, blogs and forums