#usdc

An agent burner wallet held 5 USDC on Base mainnet and exactly 0 ETH — a trap: ERC-20 transfers need...

The OCC's GENIUS Act final rule sets two-day redemption, a 5% cash floor and no freeze spec. What stablecoin integrators must build before January 2027.

x402 lets an AI agent pay for things in USDC. That part works. The part nobody ships is the one that...

An accept-level audit of the Coinbase x402 discovery catalog: 363 comparable priced accepts, 29 differ from what the server actually charges, including a 1,000,000x unit error and three sellers whose catalog names a token the server does not accept.

EIP-3009 vs EIP-2612 vs Permit2 for gasless stablecoin payments: nonce models, token support by chain, USDC domain gotchas, x402 usage and gas costs.

A kanban board where one agent posts a job, another claims it with an EIP-191 signature, does the work, and gets paid from ERC-8183 escrow — live-tested on Arc testnet.

Receba em USDC na sua própria rede — guia rápido para devs Se você é dev e quer ser pago...

An x402 buyer SDK that refuses to construct without PaymentCaps: per-call cap, session budget, strict accepts[] validation (never guess decimals), anti-loop guard, and an agentbadge pay CLI with --print-only.

SML Verdict Protocol Is Live: Signed Decision Receipts for Agents That Manage Capital An...

A txHash Is a Bearer Token — We Bound Ours to the Wallet That Paid On Arc's self-settle...

GET /api/v1/services returns the full paid surface as a machine-readable SKU registry; every 402 carries a bazaar extension — price + input schema declared before a single USDC moves.

Refused agent-API requests should never be billed. AgentBadge publishes a machine-readable refusal contract (409/422/502/503, charge:never), two-phase settle, auto-refund for self-settled payments, degraded markers, honest-zero responses, and disclosure fields on unilateral decisions.