5 Free APIs That Replaced My Paid SaaS Subscriptions (Saving $847/year)

Last year I was paying $847/year for SaaS tools that I replaced with free API calls. Here's exactly what I dropped and what replaced each one: 1. Email Verification ($29/mo → Free) Replaced: ZeroBounce ($29/month for 2,500 checks) With: EmailRep.io API (free, no key needed) import requests email = " test@example.com " resp = requests . get ( f " https://emailrep.io/ { email } " ) data = resp . json () print ( f " Reputation: { data [ ' reputation ' ] } " ) print ( f " Suspicious: { data [ ' suspicious ' ] } " ) print ( f " Profiles found: { data [ ' references ' ] } " ) Limitation: 1,000 queries/day. But for my needs (checking leads before outreach), that's plenty. 2. Security Monitoring ($49/mo → Free) Replaced: Snyk Pro ($49/month per project) With: NVD API (free, no key) + GitHub Advisory Database import requests # Check any package for vulnerabilities package = " log4j " url = f " https://services.nvd.nist.gov/rest/json/cves/2.0?keywordSearch= { package } " resp = requests . get (