How Should You Price an API for AI Agent Customers?
Agents never see your pricing page. How to quote a price in the response, charge a ceiling instead of a fixed fee, and avoid billing for retries.
AI
Should Your Business Accept Payments From AI Agents?
Agents are already buying. What changes for a merchant is identity, proof of authorisation, and a dispute path no network has settled yet.
x402 vs AP2 vs ACK-Pay: Which Agent Payment Standard Should You Build On?
The three agent payment standards solve different layers. What x402, AP2, and ACK-Pay each govern, and how to pick without rebuilding later.
How to Send USDC with the CDP SDK (2026)
CDP SDK account.transfer for USDC on Base: parseUnits with 6 decimals, EOA vs Smart Account hashes, and why token usdc fails on ethereum.
What Does It Actually Cost to Run an AI Agent?
Per-call agent payments cost fractions of a cent, but the monthly total is unbounded. How to size, cap, and forecast AI agent spend.
ElizaOS EVM Plugin: How to Send USDC Safely (2026)
Ask the ElizaOS EVM plugin for 25 USDC and it signs a 25 ETH transfer. Here's the test, the docs gap, and a guarded SEND_USDC action with caps.
How to Send USDC with Solana Agent Kit (2026)
Solana Agent Kit sends USDC in one call, but 2.4% of cent amounts throw and PYUSD fails. Here's the tested setup and a guarded PAY_USDC action.
Sui Lets AI Agents Pay Alibaba Cloud per Call Before the Demand Exists
Learn how Sui and Alibaba Cloud would let AI agents pay per API call in stablecoins, what else Sui announced, and why agent payment volume stays tiny.
Sean Neville Catena Labs: From Inventing USDC to an AI Agent Trust Bank
Sean Neville, Circle co-founder and USDC architect, now runs Catena Labs. Career timeline, the Sep 2026 OCC trust bank approval, and its limits.
How to Set Up AP2 x402 Stablecoin Payments (2026)
Combine Google's AP2 mandates with the A2A x402 extension so agents pay each other in USDC within user-signed limits, with a worked budget example.
How to Send Turnkey Agentic USDC Payments (2026)
Provision a Turnkey agent wallet, scope ALLOW policies to Base USDC, sponsor gas, and send ethSendTransaction payouts without inventing endpoints.
How to Process DFNS x402 Agent Payments (2026)
Wire DFNS payer and merchant wallets for gasless USDC x402: EIP-712 sign, receiveWithAuthorization settle, and policy caps before every authorization.
How to Enable PayAI x402 Facilitator for USDC (2026)
Wire @payai/facilitator into Express paymentMiddleware, prove a real settle, and scale past PayAI's free credit allowance for USDC x402.
How to Enable Nevermined x402 USDC Payments for AI Agents (2026)
Register a Nevermined agent and USDC plan, protect Express with paymentMiddleware, and let buyers pay via erc4337 USDC delegations and x402 access tokens.
BlackRock Says AI Agents Will Drive Stablecoin Demand That Has Not Arrived Yet
Learn what BlackRock's Machine-Native Economy paper claims about AI agents and stablecoins, the numbers behind it, and why agent payment volume stays tiny.
How to Settle USDC Agent Payments with Catena ACK-Pay (2026)
How to settle USDC agent payments with Catena ACK-Pay: ACK-ID identity, Payment Request, Payment Service, PaymentReceiptCredential verification, ACK-Lab rules, vs x402 and Circle Agent Stack.