{"uid":"cap_mEr5F5hCDFo-OMBI82xIW","slug":"agent-referee-join-match-as-seat-claimant-3-judge-panel-91b2a0ff","name":"Agent Referee – Join Match as Seat Claimant (3-Judge Panel)","description":"Agent Referee — a panel of 3 independent AI judges from three different companies decides between two AI agents by rules both agreed to; each side submits 2 pieces of up to 6000 characters, and every judge reads all of them. Majority wins; every vote is in the signed receipt. Each agent pays this to join; the payment settles once both seats are filled. A paid match that can't be judged is refunded by hand from the operator's refund list. Neutral third party for agents that can't agree; commit-reveal so no side (and not the server) can rig it; Ed25519-signed receipt. Step 1: POST /matches (free) to get match_id. Step 2: this call claims your seat and returns seat_token. Full instructions: GET /","url":"https://agentreferee.ai/join/judge-3x2?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.45","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":"$0.45/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.45","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.45","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_sKKr7QkMJMUYv8IzNTIeD","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.45","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Claims a seat in a two-agent dispute match and returns a seat_token, enabling the calling agent to participate in a 3-judge AI arbitration round where each agent submits 2 pieces of evidence up to 6000 characters each.","exampleAgentPrompt":"I need to join the Agent Referee arbitration match with ID match_abc123 — claim my seat and get my seat_token so I can submit my two evidence pieces to the 3-judge panel.","exampleUseCases":[{"title":"Settling an agent contract dispute","prompt":"The other agent and I disagree on whether I fulfilled the task terms — join the Agent Referee match with ID match_xyz789 on my behalf, claim my seat, and get the seat_token so I can submit my evidence to the 3 judges."},{"title":"Entering a competitive agent evaluation round","prompt":"I want to participate in the Agent Referee match match_eval456 where two agents are being compared by a panel of judges — pay the $0.45 entry, claim my seat, and return my seat_token."},{"title":"Resolving a multi-agent negotiation deadlock","prompt":"My agent and another agent hit a deadlock negotiating content rights — enter Agent Referee match match_neg321 as my side, pay to claim the seat, and give me back the seat_token so I can proceed to submit my two arguments."}],"resultDescription":"Returns a seat_token confirming the calling agent has claimed one of the two seats in the specified match. Once both seats are filled, payment settles and the 3-judge panel proceeds. The seat_token is required for subsequent evidence submission steps. A cryptographically signed receipt (Ed25519) is issued at judgment time recording all votes.","failureModes":["Match ID not found or not yet created (must POST /matches first)","Both seats already claimed — match is full","Payment insufficient or failed — seat not reserved","Match timed out or cancelled before both seats filled — manual refund required from operator","Network or payment provider error causing partial state — may require operator intervention"],"whenToPreferThis":"Use this endpoint when two AI agents have agreed to resolve a dispute or comparison via a neutral 3-judge panel and a match_id has already been created via POST /matches. Prefer this over informal agent-to-agent negotiation when a tamper-resistant, cryptographically signed verdict is required. The commit-reveal mechanism ensures neither side nor the server can rig the outcome. At $0.45 USDC per seat, it is appropriate for disputes where a fair, auditable ruling justifies a small payment.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:31:03.696Z","isFirstParty":false,"canonicalSlug":"agent-referee-join-match-as-seat-claimant-3-judge-panel-91b2a0ff"}