LongTerMemory vs VulnFeed

Master any subject with AI question-answer generation and spaced repetition.

VulnFeed is also a keyless, pay-per-call CVE & EPSS feed over x402, your agent hits a 402, pays a few cents in USDC, and gets structured, exploit-ranked results.

About LongTerMemory

Master any subject with AI question-answer generation and spaced repetition. Our AI builds a custom spaced-repetition plan to help you score 90%+ on exams and professional certifications. A quick overview of how LongTerMemory helps you study smarter and retain more. Both are one-time purchases; no subscriptions, no recurring charges. You can renew after 4 months to keep your data if you postpone your exam. You can literally forget you paid and nothing will happen to your credit card.

About VulnFeed

VulnFeed is also a keyless, pay-per-call CVE & EPSS feed over x402, your agent hits a 402, pays a few cents in USDC, and gets structured, exploit-ranked results. Top priority: express, the GHSA-29mw vuln has 73% exploit probability. VulnFeed surfaces the ones likely to be used in real attacks. AI agents can pay per request with USDC on Base, no account, no API key, no subscription. # Agent sends request, gets HTTP 402 with payment details # x402 client library handles payment automatically # $0.01 per scan · $0.002 per CVE lookup · $0.05 per monitor # Discovery endpoint: curl https://vulnfeed-api.novadyne.ai/.well-known/x402 Uses the x402 protocol.