Backend & Data
Free APIs, Data, and ML
Discover 129+ free apis, data, and ml tools and services for developers. All resources include generous free tiers or are fully open-source.
6curated resources
Abstract API
API suite for IP geolocation, gender detection, email validation, and more.
www.abstractapi.com
Apify
Web scraping and automation platform with ready-made scrapers. Free tier: $5/mo credit.
www.apify.com
BigML
Hosted machine learning algorithms. Free: unlimited dev tasks, 16MB data/task.
bigml.com
Postman
API development collaboration platform. Free with up to 25 collection runs/month.
www.postman.com
RapidAPI
World's largest API marketplace with many free APIs.
rapidapi.com
OpenAI API
GPT and DALL-E APIs with free trial credits for new accounts.
openai.com
Compare these head to head
Deeper write-ups on tools listed above — pricing, trade-offs and a verdict.