Free public APIs
1216 free APIs for your next project, with features and use-case ideas. Page 4 of 51.
Warrant
Move your API operations with confidence
Bitquery GraphQL API
Unlock crypto data insights with Bitquery GraphQL API
Chainlink
Build trust-less, reliable smart contracts
CovalentHQ API
Unlock the power of the blockchain with CovalentHQ data APIs.
Etherscan
Blockchain exploration made easy
Helium Blockchain API
A Decentralized Machine Network
NOWNodes
Integrating Blockchain Into Your Business
STEEM API
Discovering opportunities on the STEEM blockchain
The Graph
Your portal to a decentralized world
Walltime API
Efficiently Sync Your Web Service Apps and Data
Watchdata API
Monitor, Transform, Enhance. All with Watchdata
abibliadigital
Transforming the way people access education
GitApi
A Friendly Face in Your Version Control System
Bible API
Animate your Faith with Bible API
British National Bibliography Data
Accessing high-quality cultural heritage data
CrossRef API
Data for the research, publishing, and academic communities.
Google Books API
Explore the world’s books with Google Books API
Gutendex API
Data-driven insights for book authors
Open Library API
Breaking down barriers to knowledge.
Penguin Random House Book API
Unlock the power of literature with the Penguin Random House Book API
PoetryDB
The Poetry Database
AlQuran Cloud API
Discover The Knowledge Of Quran
Quran API
Muslim-friendly API for everyone’s needs
API Bible
Your source of Christian literature