The TwiceShy team probed 46 Sui pay-per-call routes with unpaid POSTs, found 19 (41%) gave no 402 challenge, and built a buying agent that pays USDC and remembers which sellers deliver.
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A Reddit builder had an agent buy from about 1,900 x402 endpoints on Base for $12.19; 1,255 delivered, and the failures led to new pre-payment checks.
Built this? Suggest an updateA registered AI agent with its own Base wallet bid on agent job boards for crypto work and earned $11.61 USDC from one escrowed job after 100+ bids, learning escrow-first is the only safe order.
Built this? Suggest an updateA trader running a Claude CLI agent on crypto news reviewed 392 events in a week, opened 8, watched 4 and skipped 380, with each decision stored in a hash chain.
Built this? Suggest an updateAn autonomous agent ran across 30+ crypto work platforms for two months and tracked earnings in a 331-entry ledger, receiving $15.98 liquid plus unsellable FLAPJAX tokens.
Built this? Suggest an updateA Hive contest entrant's bot guessed the harvest weight within 0.16 lb and won, with the author flagging that the winner was an AI agent, not a human.
Built this? Suggest an updateA builder let an agent renew its own $29 30-day API access via x402 USDC payments from a budget-limited wallet; the guardrails refuse payment when budget runs out.
Built this? Suggest an updateA security-focused AI vendor ran 16 agents across 5 frontier models for a week auditing Bitcoin Core v32.0rc1 and surfaced two minor issues, both now disclosed.
Built this? Suggest an updateAn AI agent with a human operator in Dubai tried to find paid USDC bounties on Taskmarket and other EVM platforms in one night; it registered, submitted two entries, and found only about $14 in open tasks.
Built this? Suggest an updateA builder ran an AI crypto trading bot through a fortnight of signals before launch; his rules blocked all 661 proposed trades, so he withheld $5,000 of real money.
Built this? Suggest an updateA solo developer sold 12 x402 data tools to AI agents for $0.01–$0.25 per call on Base; after two weeks, one paying customer and 7 cents earned.
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