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 = "[email protected]" 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(url) vulns = resp.json()["vulnerabilities"] print(f"Found {len(vuln