{"uid":"cap_n9VmVfSyVxEixOBQQiFJx","slug":"datastand-bazaar-cheapest-endpoint-finder-65736215","name":"Datastand Bazaar Cheapest Endpoint Finder","description":"Cost-optimised endpoint selection: name a capability (web search, token safety, enrichment) and get the x402 endpoints that provide it ranked cheapest-first in USDC per call, filtered by real adoption so untested $0.0001 listings do not masquerade as bargains. Refreshed daily from the Bazaar discovery index. `offset`/`limit` page through the full ranked list (up to 100 rows per call); `cheapest` always names the globally cheapest listing, whichever page you asked for.","url":"https://datastand.dev/api/bazaar/cheapest","method":"GET","headers":{},"bodySchema":{"type":"object","$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","HEAD"],"type":"string"},"queryParams":{"type":"object","required":["capability"],"properties":{"limit":{"type":"string","description":"Rows per page, 1-100 (default 20)"},"offset":{"type":"string","description":"Skip this many ranked candidates (default 0). Use page.next_offset from the previous response. A page past the end costs nothing."},"capability":{"type":"string","description":"What the endpoint must do, e.g. 'web search'"},"min_payers":{"type":"string","description":"Minimum unique 30-day payers (default 1)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"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_eSIynm71sLWQPTMIpEdSf","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":"Returns x402 endpoints that provide a named capability, ranked cheapest-first by USDC per call, filtered by real adoption data","exampleAgentPrompt":"Find me the cheapest x402 endpoints that do web search, but only show ones with at least 5 unique payers in the last 30 days so I know they're actually being used.","exampleUseCases":[{"title":"Budget-optimized agent tool selection","prompt":"I'm building an AI agent and need to pick the cheapest x402 endpoint for token safety checking — show me options ranked by USDC per call that have real adoption, not just cheap listings nobody uses."},{"title":"Cost comparison before integrating an enrichment API","prompt":"Before I commit to an enrichment provider, can you pull the cheapest x402 Bazaar options for 'enrichment' with at least 3 unique payers so I'm not gambling on an untested service?"},{"title":"Minimizing inference costs for a web search capability","prompt":"What's the most cost-effective x402 endpoint available right now for web search, filtered to ones that at least 1 real payer has used in the past month?"}],"resultDescription":"An ordered list of x402 endpoints matching the requested capability, sorted ascending by USDC price per call, each entry annotated with adoption signals (e.g. unique 30-day payers) so agents can distinguish genuinely cheap, proven endpoints from cheap-but-untested listings. Refreshed daily from the Bazaar discovery index.","failureModes":["No endpoints match the requested capability — returns empty list or 404","Capability string too vague or misspelled — returns irrelevant or empty results","min_payers threshold set too high — filters out all available endpoints","Stale index data if daily refresh has not yet completed — may miss very new listings","Payment of 0.005 USDC required; missing or invalid x402 payment header returns 402"],"whenToPreferThis":"Use this endpoint when you need to identify the lowest-cost x402 API for a specific capability and want to avoid untested cheap listings. Prefer it over generic keyword search when your primary decision criterion is price and you want adoption-filtered results. If you need broader discovery by keyword or want to browse all endpoints regardless of cost rank, the Bazaar keyword search endpoint is more appropriate.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:34:44.074Z","isFirstParty":false}