{"uid":"cap_12AZPsoQIulHC2Ai8uxGC","slug":"cassia-premium-data-opportunity-api-dce9eddd","name":"CASSIA Premium Data Opportunity API","description":"CASSIA provides relevance-filtered, eligibility-checked and quality-ranked data opportunities through a machine-readable API.","url":"https://api.cassia-data.com/api/premium-opportunity","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"required":{"type":"string"},"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"count":0,"opportunities":[]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_RSeeLX6JR_-Vyi0xm-nm0","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a relevance-filtered, eligibility-checked, and quality-ranked list of premium data opportunities matching specified criteria","exampleAgentPrompt":"Can you pull a list of premium data opportunities from CASSIA that match my eligibility and are ranked by quality — I want to see what's currently available?","exampleUseCases":[{"title":"Sourcing eligible data for ML pipeline","prompt":"Find me the top-ranked data opportunities available through CASSIA right now that I'm eligible for — I'm trying to source quality training data for a machine learning project."},{"title":"Market research data discovery","prompt":"Use CASSIA to pull all available premium data opportunities and rank them by quality — I need to identify the best data sources for a market research analysis I'm running."},{"title":"Automated data procurement monitoring","prompt":"Check CASSIA for any new or highly-ranked data opportunities that meet our eligibility criteria — I want to know how many are currently listed and what they are."}],"resultDescription":"A JSON object containing a count of matched opportunities and an array of opportunity records, each filtered for relevance and eligibility and ordered by quality rank.","failureModes":["Empty opportunities array returned when no opportunities match the filter criteria or eligibility checks","Malformed query parameters causing a 400-level error","Payment not processed (402) if x402 payment header is missing or insufficient","Service unavailability returning 500-level errors","Stale or cached results if data freshness is degraded"],"whenToPreferThis":"Choose this endpoint when you need a pre-filtered, eligibility-validated, and quality-ranked set of data opportunities rather than raw or unranked data listings. It is particularly useful when you want to avoid manually sifting through low-quality or ineligible data sources and need a machine-readable result suitable for automated downstream processing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:31:03.252Z","isFirstParty":false}