{"uid":"cap_1Yf82X8PhqLYRS5XYBARB","slug":"wintergreen-x402-atsa-prep-q-a-0bad798b","name":"Wintergreen x402 ATSA Prep Q&A","description":"Payment-gated crypto trading intelligence for AI agents.\n    \n## Categories\n- **Hyperliquid Signals**: Real-time funding divergence, lead-lag correlation, liquidation clusters, session volume area levels\n- **Quant Methodology**: Backtesting walk-forward validation, strategy generation with kill battery (19 rules), risk management with Kelly sizing, regime detection, execution frameworks, agent orchestration\n- **Market Insights**: 22 crypto microstructure observations — funding, liquidation, orderbook, regime, flow, anomaly\n- **Power Markets**: ERCOT field guide, merit-order model, duck curve analysis\n- **Career Guides**: Firefighter oral board prep, medical coding, ATSA, contractor estimating\n- **Trust Scoring**: x402 endpoint verification, P2D badges\n\n## Payment\nAll paid endpoints return HTTP 402 with USDC on Base (eip155:8453). \nSign EIP-712 TransferWithAuthorization and retry with X-PAYMENT header.\nPayTo: 0xAe9834d71F1Bd989A0dc17593451af823E31CeeD","url":"https://x402.wintergreen.uk/api/v1/knowledge/atsa-prep/qa","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"q":{"type":"string"},"_meta":{"type":"string"},"_slug":{"type":"string"}}},"responseSchema":{},"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_Gw8VLxmiVgOz26B0u8FYt","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 payment-gated ATSA (Air Traffic Skills Assessment) exam preparation Q&A content for a given query, billed per-call via x402 micropayment on Base.","exampleAgentPrompt":"Can you pull up ATSA prep answers about dial reading and hidden figures exercises — I have my FAA aptitude test coming up and want to practice the trickiest sections.","exampleUseCases":[{"title":"ATSA exam cognitive skills review","prompt":"I'm taking the ATSA soon and want to understand what cognitive skills it tests — can you get me a breakdown of the dial reading, hidden figures, and number sequencing sections with study tips?"},{"title":"Targeted ATSA practice question lookup","prompt":"Can you find me practice questions and answers for the ATSA's letter factory section? I keep getting those wrong and need focused help."},{"title":"ATSA general prep strategy guidance","prompt":"I just signed up to take the ATSA for an air traffic controller position — what's the best way to prepare overall, and which sections should I prioritize?"}],"resultDescription":"A text answer or curated Q&A content block covering the queried ATSA exam topic, including explanations, tips, or practice material relevant to the submitted query string. Response schema is open-ended (unstructured JSON or text body).","failureModes":["HTTP 402 returned if payment header is missing or invalid — agent must sign EIP-712 TransferWithAuthorization and retry with X-PAYMENT header","Invalid or empty query string may return empty or low-quality results","Network or upstream content availability issues may cause 5xx errors","USDC balance insufficient on Base chain results in payment failure","Malformed EIP-712 signature causes payment rejection"],"whenToPreferThis":"Choose this endpoint when an agent needs on-demand ATSA exam preparation content without maintaining a local knowledge base, especially in a micropayment-capable (x402) environment where per-query billing is acceptable. Prefer this over general LLM knowledge when authoritative, curated ATSA study material is required and the $0.02/call cost is acceptable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T00:39:11.053Z","isFirstParty":false}