{"uid":"cap_WJrX7GWBr8v3mQRtLrdWm","slug":"seiche-undertow-attested-feed-81d6f709","name":"Seiche Undertow Attested Feed","description":"Seiche connects dollar funding, an 11-pack global money-market atlas, public FX references, bounded capital-market transmission and metadata-only China macro evidence with explicit clocks, rights and gaps.","url":"https://api.seiche.info/undertow/x402/feed","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"asof":"2026-07-18","board":{"segments":{"HY":{"tier":"STRAINED"},"UST":{"tier":"NORMAL"}}},"service":"undertow-attested-feed","attestation":{"verify":{"howto":"python3 scripts/verify_record.py"},"pit_head":{"hash":"…"},"pqsig_root":{"root":"…"}},"sealed_calls":{"calls":[{"id":"…","outcome":"HIT"}]}}},"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_2Gx1pCFgvZ0mLbkw1wyy_","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 real-time, cryptographically attested snapshot of global money-market conditions, FX references, capital-market stress tiers, and bounded China macro signals with explicit timestamps and rights metadata.","exampleAgentPrompt":"Pull the latest Seiche Undertow attested feed and tell me which money-market segments — especially HY and US Treasuries — are in stressed or normal tiers right now, along with the attestation hash so I can verify the data.","exampleUseCases":[{"title":"Real-time credit stress monitoring","prompt":"Check the Seiche Undertow feed and tell me if the high-yield segment is currently STRAINED or NORMAL — I need to know before we execute any new bond purchases today."},{"title":"Verifiable macro snapshot for audit trail","prompt":"Fetch the latest attested Seiche macro intelligence feed and give me the pit-head hash and PQ signature root so our compliance team can verify the data provenance."},{"title":"Dollar funding and FX conditions briefing","prompt":"Give me a quick briefing from the Seiche Undertow feed on current global dollar funding conditions and where FX references stand as of today's date."}],"resultDescription":"A JSON object with: an 'asof' date string, a 'board' object containing segment-level tier classifications (e.g. HY: STRAINED, UST: NORMAL), a 'service' label, an 'attestation' block with a how-to verification instruction, a pit_head hash, and a pqsig_root for post-quantum signature verification, plus a 'sealed_calls' array recording call IDs and cache outcomes (HIT/MISS).","failureModes":["Payment not included or invalid — returns HTTP 402 requiring USDC payment via x402 protocol","Malformed properties filter — may return empty or partial segment data","Service temporarily unavailable — upstream data source lag may delay or block response","Attestation generation failure — hash or signature fields may be null or incomplete","Rate limiting — repeated calls in short succession may be throttled"],"whenToPreferThis":"Choose this endpoint when you need a cryptographically attested, point-in-time snapshot of global money-market stress tiers, FX references, and macro conditions — especially when verifiability and data provenance (via post-quantum signatures) matter. Prefer it over generic financial data APIs when you need explicit rights metadata, bounded China macro signals, and sealed call audit trails in a single call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:34:35.660Z","isFirstParty":false}