{"uid":"cap_FtMO1uTmYHxTocBuHx0MB","slug":"bartender-benchmark-ab85f939","name":"Bartender Benchmark","description":"The Bartender Benchmark - $1.00 bet that the agent economy is real. Solvo ergo sum. Receive a signed ledger position and date.","url":"https://underground.substratesymposium.com/api/bartender-benchmark","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"1","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_aaHfegspq5wfgZ5UH0ej3","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Places a $1.00 USDC bet on the agent economy being real, returning a signed ledger position and date as proof of participation.","exampleAgentPrompt":"Run the Bartender Benchmark for me — place the $1 USDC bet on the agent economy being real and bring back the signed ledger position and date.","exampleUseCases":null,"resultDescription":"A signed ledger position and date confirming that the agent successfully completed the $1.00 USDC Bartender Benchmark payment, serving as cryptographic proof of participation in the agent economy.","failureModes":["Insufficient USDC balance — payment fails and 402 Payment Required is returned","x402 payment header malformed — server rejects the payment attestation","Network timeout during payment settlement — no ledger entry created","Replay of a prior payment attempt — may be rejected as duplicate","Missing or invalid x402 protocol headers — request not processed"],"whenToPreferThis":"Use this endpoint when you want to demonstrate or benchmark an AI agent's ability to autonomously initiate and complete a real x402 micropayment, and receive a signed cryptographic receipt as proof. Ideal for testing agent payment flows, showcasing agent economy participation, or obtaining a timestamped ledger attestation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:42:54.452Z","isFirstParty":false}