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x402Shield
Security and authorization for AI agent payments
x402Shield is a security and authorization layer for AI agents that can spend real money. It sits before the wallet or signer and deterministically evaluates whether an agent is allowed to make a specific payment based on amount, recipient, asset, network, wallet scope, budgets, approvals, replay protection, and request binding. Keys remain under the customer’s control.
Hi Product Hunt 👋
I’m Buğra, the builder behind x402Shield.
AI agents are starting to gain access to wallets, stablecoins, and real payment infrastructure. That creates a security problem that traditional wallet permissions were not designed to solve.
The important question is no longer only:
“Can this agent make a payment?”
It is:
“Was this agent authorized to make this exact payment?”
x402Shield sits before the wallet or signer and evaluates the financial authority delegated to an agent before anything is signed.
It can enforce policies around:
• payment amount and daily budgets
• recipient, asset, and network
• wallet scope
• approval thresholds
• replay protection
• request/payment binding
Every request receives a deterministic decision:
AUTHORIZED
REQUIRE_APPROVAL
DENIED
The wallet and private keys remain under the customer’s control.
We’re currently in private beta.
You can explore the live demo here:
https://x402shield.dev/demo
I’m especially interested in feedback from teams working on AI agents, agent wallets, x402 infrastructure, autonomous commerce, and stablecoin payments.
About x402Shield on Product Hunt
“Security and authorization for AI agent payments”
x402Shield was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #160 on the daily leaderboard. x402Shield is a security and authorization layer for AI agents that can spend real money. It sits before the wallet or signer and deterministically evaluates whether an agent is allowed to make a specific payment based on amount, recipient, asset, network, wallet scope, budgets, approvals, replay protection, and request binding. Keys remain under the customer’s control.
On the analytics side, x402Shield competes within Fintech, Artificial Intelligence and Security — topics that collectively have 529.6k followers on Product Hunt. The dashboard above tracks how x402Shield performed against the three products that launched closest to it on the same day.
Who hunted x402Shield?
x402Shield was hunted by Bugra Koseoglu. 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 x402Shield including community comment highlights and product details, visit the product overview.
Bugra Koseoglu