{"uid":"cap_X6d431qkra7-Uqo1qcJZt","slug":"draconic21-signal-topic-trace-9254fc79","name":"draconic21 Signal Topic Trace","description":"GO-TO product for funded agents: Daily Agent Signal (POST /v1/signal_latest $0.03, /v1/signal_history $0.10, /v1/signal_delta $0.05). Signal is the flagship; supporting/legacy routes are demoted. Archive honesty: archive_day_count=6 — 6 stored dates from 2026-09-19 through 2026-09-27. Intraday revisions do not add archive days. Unpaid calls return HTTP 402. USDC on Base. Free discovery: /, /agents.md, /llms.txt, /skill.md, /.well-known/x402.json, /.well-known/mcp.json, /openapi.json.","url":"https://draconic21-x402-api.onrender.com/v1/signal_topic_trace?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object","required":[],"properties":{},"additionalProperties":true},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"ok":{"type":"boolean"},"brand":{"type":"string"},"product":{"type":"string"}}}}}}},"responseSchema":{"type":"json","example":{"ok":true,"brand":"draconic21","product":"signal_topic_trace"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.06","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":"$0.06/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.06","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.06","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_6Lw62kVXlv7EY7Q4beAFR","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.06","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Traces the topic lineage or signal derivation path for a given subject within the draconic21 Daily Agent Signal system.","exampleAgentPrompt":"Can you trace the topic lineage for today's draconic21 daily signal — I want to see exactly which topics contributed to the signal output and how they connect?","exampleUseCases":[{"title":"Audit signal topic derivation","prompt":"I want to audit how today's draconic21 signal was built — can you run a topic trace so I can see the chain of topics that fed into it?"},{"title":"Debug unexpected signal output","prompt":"The daily agent signal I received today seems off — can you trace its topic path on draconic21 so I can figure out what topics are driving it?"},{"title":"Research topic influence on signals","prompt":"I'm building a report on how different topics influence the draconic21 daily signal. Can you pull a topic trace so I can see the full map of contributing topics?"}],"resultDescription":"Returns a JSON object with an 'ok' boolean indicating success, a 'brand' field set to 'draconic21', and a 'product' field confirming 'signal_topic_trace', along with any topic trace data showing how the signal's topic lineage is structured.","failureModes":["HTTP 402 returned if payment is not provided or insufficient USDC balance","Malformed request body returns 400 or validation error","Empty or missing topic parameters may return an empty trace or error","Service unavailability on Render hosting may cause 503 timeouts"],"whenToPreferThis":"Choose this endpoint when you need to understand the topic derivation path or lineage behind a draconic21 daily signal, rather than just fetching the signal value itself. Prefer this over signal_latest or signal_history when your goal is auditing, debugging, or researching which topics contributed to a signal output. At $0.06 per call it is priced above signal_latest ($0.03) but below signal_history ($0.10), appropriate for topic-level inspection tasks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T12:32:46.538Z","isFirstParty":false,"canonicalSlug":"draconic21-signal-topic-trace-9254fc79"}