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Free public APIs for developers — no-key APIs, free tiers and new OpenAPI specs. Updated every hour.
200APIs listed
9Categories tracked
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PunkAPI
Maps & location
IPstack
Developer tools
VATlayer
Open data & science
AI Law Tracker
Games, music & fun
Axolotl
AI & machine learning
AI Economics Tools
Weather & environment
AirNow
Finance & crypto
Coinlayer
No keyNo key neededFree keyMaps & locationFree keyDeveloper toolsFree keyOpen data & scienceAI Law Tracker
Government
No keyGames, music & funNo keyAI & machine learningAI Economics Tools
Machine Learning
Free keyWeather & environmentFree keyFinance & cryptoAdvertisement
No keyNo key needed
Free keyAI & machine learningAI For Thai
Machine Learning
Free keyWeather & environmentBreezoMeter Pollen
Environment
No keyFinance & crypto
Free keyMaps & location
Free keyDeveloper toolsAttestwire
Data Validation
No keyOpen data & scienceAyes and Noes
Government
No keyGames, music & funBreed Health Score
Animals
No keyNo key neededBanking Access Index
Finance
No keyOpen data & scienceBank Negara Malaysia Open Data
Government
No keyNo key needed
Free keyAI & machine learningAnswerLine
Machine Learning
Free keyWeather & environmentCarbon Interface
Environment
Free keyFinance & crypto
Free keyMaps & locationActinia Grass GIS
Geocoding
Free keyDeveloper toolsAdvertisement
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Sources: No key needed / New OpenAPI specs / AI & machine learning / Weather & environment / Finance & crypto / Maps & location / Developer tools / Open data & science / Games, music & fun