{"uid":"cap_OK2ANHQXetMXym9eLw3M3","slug":"oblique-markets-mpp-admission-gate-3025ec2c","name":"Oblique Markets MPP Admission Gate","description":"Use when an agent needs mpp admission gate. Returns Admit one service from the live MPP public catalog for a task, price cap, Tempo rail and freshness constraint, or return a deterministic refusal with catalog evidence. $0.005.","url":"https://api.oblique.markets/api/v1/paid/mpp-admission-gate","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"rail":{"enum":["tempo","mpp:tempo"],"type":"string"},"task":{"type":"string","description":"Natural-language task to match against the MPP public catalog"},"freshness":{"type":"object","properties":{"max_age_seconds":{"type":"integer"}}},"price_cap":{"type":"number","description":"Maximum service price in USD"}}},"responseSchema":{"type":"json","example":{"service":{"name":"AgentMail","tags":["email","inboxes"],"price":2,"catalog":{"url":"https://mpp.dev/api/services","version":1,"fetched_at":"2026-08-31T12:00:00.000Z"},"payment":{"amount":"2000000","intent":"charge","method":"tempo","decimals":6,"unit_type":"request"},"currency":"0x20c000000000000000000000b9537d11c60e8b50","endpoint":{"url":"https://mpp.api.agentmail.to/v0/inboxes","path":"/v0/inboxes","method":"POST"},"provider":{"url":"https://agentmail.to","name":"AgentMail"},"categories":["ai","social"],"service_id":"agentmail","description":"Create inbox","service_url":"https://mpp.api.agentmail.to","relevance_score":0.5},"admitted":true,"decision":{"task":"create an email inbox","constraints":{"rail":"tempo","max_price":5,"max_age_seconds":86400},"candidates_evaluated":1}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_DfiIjWByvKzDccknYrJ4u","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Evaluates whether a task can be admitted through the MPP (Machine Payment Protocol) public catalog given a price cap, Tempo rail, and freshness constraint, returning either an approved service match or a deterministic refusal with catalog evidence.","exampleAgentPrompt":"Check the live MPP catalog to see if there's a service that can handle my data extraction task — my price cap is $0.01, I need a Standard Tempo rail, and the service must have been updated within the last 24 hours.","exampleUseCases":[{"title":"Budget-constrained task pre-screening","prompt":"Before my agent commits any payment, check the MPP catalog to see if there's an admitted service that can handle text summarization under a $0.02 price cap on a Standard Tempo rail with freshness no older than 6 hours."},{"title":"Refusal evidence collection","prompt":"My agent tried to find an MPP service for image classification with a $0.005 cap but got refused — can you query the MPP admission gate and get me the catalog evidence explaining why no service qualified?"},{"title":"Tempo rail compatibility check","prompt":"I need to know if there's an MPP public catalog entry that supports my web scraping task at Express Tempo rail and under a $0.03 price cap, with freshness constraints within 12 hours — admit it or give me the denial reason."}],"resultDescription":"Returns either an admission decision granting access to a specific service from the live MPP public catalog (including service details and match metadata), or a deterministic refusal accompanied by catalog evidence explaining why no service qualified given the task, price cap, Tempo rail, and freshness constraint.","failureModes":["No catalog match found for the given constraints — deterministic refusal returned with evidence","Price cap too low for available MPP services — refusal with nearest-priced catalog entries","Tempo rail not supported by any matching service — refusal with supported rail options","Freshness constraint too strict — no services updated within the required window","Invalid or malformed task description — request rejected","Catalog temporarily unavailable — service error returned"],"whenToPreferThis":"Use this endpoint when an AI agent needs to pre-screen a task against the live MPP public catalog before committing a payment, especially when operating under strict price caps, Tempo rail requirements, or freshness constraints. It is the correct choice when you need a deterministic admit/refuse decision with catalog evidence rather than a generic service search, and when operating within the x402/MPP payment ecosystem on the Oblique Markets platform.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:53:09.176Z","isFirstParty":false}