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J-sey Data API
Pay-per-call data API for AI agents, no subscriptions
J-sey is a pay-per-call data API — not another subscription-based service. Instead of API keys and monthly plans, each request is paid instantly in USDC via the x402 protocol. It covers real estate, company records, patents, court records, forex, clinical trials, and blockchain/wallet risk data across 10 EVM chains, all through one unified API built for developers and AI agents.
I built J-sey solo, entirely from Termux on Android. I wanted a data API that AI agents could pay for per-request without needing API keys or subscriptions — so everything runs on the x402 protocol with USDC payments settled on-chain, instantly.
About J-sey Data API on Product Hunt
“Pay-per-call data API for AI agents, no subscriptions”
J-sey Data API was submitted on Product Hunt and earned 0 upvotes and 2 comments, placing #94 on the daily leaderboard. J-sey is a pay-per-call data API — not another subscription-based service. Instead of API keys and monthly plans, each request is paid instantly in USDC via the x402 protocol. It covers real estate, company records, patents, court records, forex, clinical trials, and blockchain/wallet risk data across 10 EVM chains, all through one unified API built for developers and AI agents.
On the analytics side, J-sey Data API competes within API, Developer Tools, GitHub and Web3 — topics that collectively have 663.4k followers on Product Hunt. The dashboard above tracks how J-sey Data API performed against the three products that launched closest to it on the same day.
Who hunted J-sey Data API?
J-sey Data API was hunted by Ugochukwu Johncross Ugwuegede. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of J-sey Data API including community comment highlights and product details, visit the product overview.
Ugochukwu Johncross Ugwuegede