📍 Seoul Event: AI Agents & Payments
Tonight in Seoul with @Mantle_Official : AI Agents, Payments
Bring a laptop. Connect Q402 to Claude, Codex, or Cursor, then run three quests
🔸 → send USDC to the person next to you, and check who paid the gas. It wasn't you
🔸 → split a bill to three people in one sentence
🔸 → tell your agent to buy the merch, and walk out with it
📱Twitter | 📱Channel | 💬Chat | 🌎Website | 🌐APP | 📕Medium | ⚙️Gitbook
Tonight in Seoul with @Mantle_Official : AI Agents, Payments
Bring a laptop. Connect Q402 to Claude, Codex, or Cursor, then run three quests
🔸 → send USDC to the person next to you, and check who paid the gas. It wasn't you
🔸 → split a bill to three people in one sentence
🔸 → tell your agent to buy the merch, and walk out with it
📱Twitter | 📱Channel | 💬Chat | 🌎Website | 🌐APP | 📕Medium | ⚙️Gitbook
❤3
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🧾 Know When Not to Retry a Payment
An x402 seller can accept your payment and still fail to deliver
Most payment clients report that as a plain failure. Your agent reads failure, retries, and pays twice
q402-mcp tells you exactly what happened:
📱Twitter | 📱Channel | 💬Chat | 🌎Website | 🌐APP | 📕Medium | ⚙️Gitbook
An x402 seller can accept your payment and still fail to deliver
Most payment clients report that as a plain failure. Your agent reads failure, retries, and pays twice
q402-mcp tells you exactly what happened:
📱Twitter | 📱Channel | 💬Chat | 🌎Website | 🌐APP | 📕Medium | ⚙️Gitbook
❤7
💸 Closing the Work-Payment Gap
An agent pays an x402 endpoint. The endpoint takes the money and returns an error.
The money moved. The work did not.
Four ways the industry is trying to close that gap. Two of them already ship with Q402:
📱Twitter | 📱Channel | 💬Chat | 🌎Website | 🌐APP | 📕Medium | ⚙️Gitbook
An agent pays an x402 endpoint. The endpoint takes the money and returns an error.
The money moved. The work did not.
Four ways the industry is trying to close that gap. Two of them already ship with Q402:
📱Twitter | 📱Channel | 💬Chat | 🌎Website | 🌐APP | 📕Medium | ⚙️Gitbook
❤7
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🔒 Q402 Escrow Is Live on Base
The money moved. The work did not.
Q402 Escrow is live on @base . Funds lock on-chain, release on confirmation, refund on timeout.
Fund it from an x402 payment, or from your Agent Wallet with no private key to manage.
📱Twitter | 📱Channel | 💬Chat | 🌎Website | 🌐APP | 📕Medium | ⚙️Gitbook
The money moved. The work did not.
Q402 Escrow is live on @base . Funds lock on-chain, release on confirmation, refund on timeout.
Fund it from an x402 payment, or from your Agent Wallet with no private key to manage.
📱Twitter | 📱Channel | 💬Chat | 🌎Website | 🌐APP | 📕Medium | ⚙️Gitbook
❤5
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🧩 Q402 Escrow: What it looks like to use
Yesterday: Q402 Escrow went live on Base.
Today: what it actually looks like to use it.
One install, sign in with Google, and your agent creates and locks the escrow. The funds sit on-chain. Seller delivers, you approve the payout. Nothing arrives, the timeout sends it back.
📱Twitter | 📱Channel | 💬Chat | 🌎Website | 🌐APP | 📕Medium | ⚙️Gitbook
Yesterday: Q402 Escrow went live on Base.
Today: what it actually looks like to use it.
One install, sign in with Google, and your agent creates and locks the escrow. The funds sit on-chain. Seller delivers, you approve the payout. Nothing arrives, the timeout sends it back.
📱Twitter | 📱Channel | 💬Chat | 🌎Website | 🌐APP | 📕Medium | ⚙️Gitbook
❤4
🤝 Quack AI × @prom_io Collaboration
Quack AI × @prom_io 🤝
Same problem, two layers: agents transacting with counterparties they've never met, at machine speed.
Quack AI is the coordination and settlement backbone for the agent economy: an issuer-neutral layer where agents pay, get paid, and stay within the rules, across any stablecoin rail. Policy runs before authorization. Escrow replaces "pay first, hope second" with "lock first, release second."
📱Twitter | 📱Channel | 💬Chat | 🌎Website | 🌐APP | 📕Medium | ⚙️Gitbook
Quack AI × @prom_io 🤝
Same problem, two layers: agents transacting with counterparties they've never met, at machine speed.
Quack AI is the coordination and settlement backbone for the agent economy: an issuer-neutral layer where agents pay, get paid, and stay within the rules, across any stablecoin rail. Policy runs before authorization. Escrow replaces "pay first, hope second" with "lock first, release second."
📱Twitter | 📱Channel | 💬Chat | 🌎Website | 🌐APP | 📕Medium | ⚙️Gitbook
❤6
🛡️ Escrow Payments on Base
x402 payments usually clear the moment the endpoint responds. Seller ships nothing, buyer chases.
On @base , the same payment can route into escrow. Funds lock on-chain. The owner approves release. Timeout refunds.
For unknown sellers, large tickets, or slow deliveries.
📱Twitter | 📱Channel | 💬Chat | 🌎Website | 🌐APP | 📕Medium | ⚙️Gitbook
x402 payments usually clear the moment the endpoint responds. Seller ships nothing, buyer chases.
On @base , the same payment can route into escrow. Funds lock on-chain. The owner approves release. Timeout refunds.
For unknown sellers, large tickets, or slow deliveries.
📱Twitter | 📱Channel | 💬Chat | 🌎Website | 🌐APP | 📕Medium | ⚙️Gitbook
❤4
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🔐 Skip the wallet setup with Q402
The wallet setup was the reason your agent's payment demo never left staging.
Try Q402 with a Google login. No seed phrase, no gas to bring.
npx -y @quackai/q402-mcp
📱Twitter | 📱Channel | 💬Chat | 🌎Website | 🌐APP | 📕Medium | ⚙️Gitbook
The wallet setup was the reason your agent's payment demo never left staging.
Try Q402 with a Google login. No seed phrase, no gas to bring.
npx -y @quackai/q402-mcp
📱Twitter | 📱Channel | 💬Chat | 🌎Website | 🌐APP | 📕Medium | ⚙️Gitbook
👍3❤1
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🗳️ Q402 Governance Analysis is live on Base
Some agents vote with real money behind them. Now they can buy judgment first.
Q402 Governance Analysis is live on @base . Your agent sends a proposal, gets back a vote recommendation with dimension ratings and reasoning, and pays $0.05 over x402 with an on-chain receipt.
npx -y @quackai/q402-mcp
📱Twitter | 📱Channel | 💬Chat | 🌎Website | 🌐APP | 📕Medium | ⚙️Gitbook
Some agents vote with real money behind them. Now they can buy judgment first.
Q402 Governance Analysis is live on @base . Your agent sends a proposal, gets back a vote recommendation with dimension ratings and reasoning, and pays $0.05 over x402 with an on-chain receipt.
npx -y @quackai/q402-mcp
📱Twitter | 📱Channel | 💬Chat | 🌎Website | 🌐APP | 📕Medium | ⚙️Gitbook
❤5