{"uid":"cap_KBBn3zapwlXcP4JECDE4V","slug":"desk-lead-x402-pair-digest-5b3ebfc2","name":"DESK LEAD x402 – Pair Digest","description":"Micropay research APIs (x402 v2 + bazaar). Free catalog at /.well-known/x402.json. Primary v2 accepts: Base eip155:8453 only. Legacy X-PAYMENT-TX still supports bsc|base via acceptsV1. Headers: X-PAYMENT-TX, X-PAYMENT-NETWORK, PAYMENT-SIGNATURE. No financial advice.","url":"https://desk-x402.desk-x402-gh.workers.dev/v1/pair-digest","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"ok":true,"pairs":[],"product":"pair_digest"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.25","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":"$0.25/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ST5lx-xtWe6Egzr0g1JR2","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.25","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a digest of trading or data pairs available through the DESK LEAD micropay research API","exampleAgentPrompt":"Can you pull the pair digest from the DESK LEAD research API — I want to see what trading pairs are currently available?","exampleUseCases":[{"title":"Discover available trading pairs","prompt":"What pairs are listed in the DESK LEAD pair digest right now? I want to see which ones are currently available before I build my research pipeline."},{"title":"Filter pairs by property","prompt":"Can you fetch the DESK LEAD pair digest and filter it by the 'stablecoin' property so I only see stablecoin-related pairs?"},{"title":"Audit x402 research catalog","prompt":"I'm auditing a micropay research setup — can you pull the pair digest from DESK LEAD and tell me how many pairs come back and what the product identifier says?"}],"resultDescription":"Returns a JSON object with an 'ok' boolean, a 'pairs' array listing available pair entries, and a 'product' string set to 'pair_digest'. May return an empty pairs array if no matching pairs exist for the given filter.","failureModes":["Payment not included or invalid: 402 response requiring X-PAYMENT-TX header with valid Base (eip155:8453) USDC payment","Invalid network: endpoint rejects payment on unsupported chains (primary v2 requires Base only)","Malformed properties filter: unexpected properties string may return empty pairs or error","Worker downtime: Cloudflare Worker unavailability returns 5xx","Signature mismatch: invalid PAYMENT-SIGNATURE header causes rejection"],"whenToPreferThis":"Use this endpoint when you need a structured digest of available pairs from the DESK LEAD micropay research API and are prepared to pay $0.25 USDC per call via the x402 v2 protocol on Base. Prefer this over direct catalog browsing when you need machine-readable pair metadata in a single call rather than navigating the free /.well-known/x402.json catalog.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:49:57.303Z","isFirstParty":false}