{"data":{"slug":"perp-gap-api","name":"Perp Gap API","description":"Pay-per-call market data for AI agents and traders: live gaps between tokenized-stock perpetuals (trade.xyz / Hyperliquid HIP-3, Aster, Lighter) and the underlying US stock spot price and Solana xStocks, with basis, hourly and annualized funding, open interest and cross-venue spreads; rule-based long/short/watch verdicts and one-call research cards; tokenized-stock premium and liquidity; gap history and bulk daily exports; and prediction-market scans comparing Hyperliquid HIP-4 outcome odds with perp-implied probabilities. Paid via x402 in USDC on Base or Solana, from $0.01 per call. Free catalog, docs and MCP server.","base_url":"https://perp-gap-api.perpgap.workers.dev","website_url":"https://perp-gap-api.perpgap.workers.dev","category":"Finance","endpoint_count":6,"min_price_usd":0.001,"uptime_24h":100,"source":"submitted","status":"online","verified":false,"verified_until":null,"payment_ready":true,"payment_ready_until":"2026-11-03T14:33:03.500Z","last_success_at":"2026-10-27T14:33:03.500Z","consecutive_failures":0,"check_interval_minutes":15,"last_checked_at":"2026-10-27T14:33:03.500Z","created_at":"2026-10-27T12:39:29.964Z","uptime":{"24h":100,"7d":100,"30d":100,"90d":100,"coverage":{"24h":{"daysCovered":1,"checkCount":6},"7d":{"daysCovered":1,"checkCount":6},"30d":{"daysCovered":1,"checkCount":6},"90d":{"daysCovered":1,"checkCount":6}}},"avg_response_time_ms":211,"total_checks":8,"networks":["BSE","SOL"],"networks_caip2":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"asset":"USDC","endpoints":[{"id":"ead14e69-5f07-471f-96ce-17bea9a1b941","method":"GET","path":"/catalog/full","description":"Use first to see which venues list a ticker and get the exact symbol before /quote, /funding or /gaps. Every stock perp and tokenized stock agents can trade: trade.xyz, Aster, Lighter and OKX perps plus xStocks and Ondo tokens (2,400+ markets), with venue, symbol or mint, underlying, type, live and tradable-now flags. Same data free at GET /catalog. Errors: 400 unknown venue, 402, 502. Data, not advice.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-10-27T12:39:29.964Z","last_seen_at":"2026-10-27T14:33:03.415Z","variable_amount":false,"min_price_usd":0.001,"networks":["BSE","SOL"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"1000","price_usd":"0.0010000000","pay_to":"0x2d82dcB9cC3a168d9Ab25b62C1E33E278A51254F","max_timeout_seconds":120},{"scheme":"exact","network":"solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp","network_caip2":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","asset_address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_address_norm":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_name":"USDC","price":"1000","price_usd":"0.0010000000","pay_to":"5MoL8HNnvZUogGrqiF4T1StmAUpdU7ERA2GUJ7gLrEja","max_timeout_seconds":120}],"pay_to_divergence":null},{"id":"8e54e54f-1fb3-40b9-a73d-f8f3bf7349a7","method":"GET","path":"/export","description":"Use when an agent needs a full-universe dataset for research, backtests or a warehouse rather than one ticker. One UTC day of 30-minute snapshots for the top 40 stock perps by open interest: trade.xyz vs stock vs xStock gaps, basis, funding, OI, Aster/Lighter/OKX marks and cross-venue gaps, as JSON or CSV. Bad dates return 400/404 before any charge. Errors: 400, 402, 404. Data, not advice.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-10-27T12:39:29.964Z","last_seen_at":"2026-10-27T14:33:02.637Z","variable_amount":false,"min_price_usd":0.25,"networks":["BSE","SOL"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"250000","price_usd":"0.2500000000","pay_to":"0x2d82dcB9cC3a168d9Ab25b62C1E33E278A51254F","max_timeout_seconds":120},{"scheme":"exact","network":"solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp","network_caip2":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","asset_address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_address_norm":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_name":"USDC","price":"250000","price_usd":"0.2500000000","pay_to":"5MoL8HNnvZUogGrqiF4T1StmAUpdU7ERA2GUJ7gLrEja","max_timeout_seconds":120}],"pay_to_divergence":null},{"id":"2dd286dc-0a77-498e-9d1b-e51b6b6217a7","method":"GET","path":"/gaps","description":"Use when an agent needs current premium/discount or funding signals across many stock perps in one cheap call. trade.xyz (Hyperliquid HIP-3) perp mark/oracle vs the live stock price and Solana xStock, basis, hourly and annualized funding, open interest; venues=all adds Aster, Lighter and OKX marks, funding and cross-venue spreads. Errors: 402, 502. Data, not advice.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-10-27T12:39:29.964Z","last_seen_at":"2026-10-27T14:33:02.974Z","variable_amount":false,"min_price_usd":0.01,"networks":["BSE","SOL"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"10000","price_usd":"0.0100000000","pay_to":"0x2d82dcB9cC3a168d9Ab25b62C1E33E278A51254F","max_timeout_seconds":120},{"scheme":"exact","network":"solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp","network_caip2":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","asset_address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_address_norm":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_name":"USDC","price":"10000","price_usd":"0.0100000000","pay_to":"5MoL8HNnvZUogGrqiF4T1StmAUpdU7ERA2GUJ7gLrEja","max_timeout_seconds":120}],"pay_to_divergence":null},{"id":"13b39b1b-8475-48ee-9d8f-f6e4c15e5c68","method":"GET","path":"/pm/scan","description":"Use when an agent wants the most mispriced liquid Hyperliquid prediction markets right now in one call. Ranks crypto and tokenized-stock binary price markets by edge: model probability from the live perp and 7d realized vol vs bid/ask, edge in pp, spread, depth and book age; empty and illiquid books are filtered. 400/404 are free, never charged. Errors: 400, 402, 404, 502. Data, not advice.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-10-27T12:39:29.964Z","last_seen_at":"2026-10-27T14:33:03.432Z","variable_amount":false,"min_price_usd":0.05,"networks":["BSE","SOL"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"50000","price_usd":"0.0500000000","pay_to":"0x2d82dcB9cC3a168d9Ab25b62C1E33E278A51254F","max_timeout_seconds":120},{"scheme":"exact","network":"solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp","network_caip2":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","asset_address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_address_norm":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_name":"USDC","price":"50000","price_usd":"0.0500000000","pay_to":"5MoL8HNnvZUogGrqiF4T1StmAUpdU7ERA2GUJ7gLrEja","max_timeout_seconds":120}],"pay_to_divergence":null},{"id":"91cd1021-c50b-4d2b-bb49-b8ef093574c3","method":"GET","path":"/research","description":"Use when an agent needs everything about one US stock in one call before trading or answering a user. Stock quote incl. extended/overnight trade, perp prices on trade.xyz, Aster, Lighter, OKX, xStocks/Ondo token prices, gaps, funding, last 4 weekend gaps vs Monday open, 72h history, rule-based verdict and plain-text summary. No LLM. Bad or unlisted tickers return 400/404 before any charge. Errors: 400, 402, 404, 502. Data, not advice.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-10-27T12:39:29.964Z","last_seen_at":"2026-10-27T14:33:02.909Z","variable_amount":false,"min_price_usd":0.03,"networks":["BSE","SOL"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"30000","price_usd":"0.0300000000","pay_to":"0x2d82dcB9cC3a168d9Ab25b62C1E33E278A51254F","max_timeout_seconds":120},{"scheme":"exact","network":"solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp","network_caip2":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","asset_address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_address_norm":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_name":"USDC","price":"30000","price_usd":"0.0300000000","pay_to":"5MoL8HNnvZUogGrqiF4T1StmAUpdU7ERA2GUJ7gLrEja","max_timeout_seconds":120}],"pay_to_divergence":null},{"id":"906e49ab-9ef8-45db-8e1d-8091e190b7c0","method":"GET","path":"/verdict","description":"Use when an agent needs a quick directional sanity check on one stock perp before trading. Long/short/watch/avoid with score, confidence and reasons, combining perp-vs-stock gap, basis, funding, SEC EDGAR insider/8-K/13D/dilution filings (14d), news and retail attention. Bad or unlisted tickers return 400/404 before any charge. Errors: 400, 402, 404, 502. Data, not advice.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-10-27T12:39:29.964Z","last_seen_at":"2026-10-27T14:33:03.334Z","variable_amount":false,"min_price_usd":0.03,"networks":["BSE","SOL"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"30000","price_usd":"0.0300000000","pay_to":"0x2d82dcB9cC3a168d9Ab25b62C1E33E278A51254F","max_timeout_seconds":120},{"scheme":"exact","network":"solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp","network_caip2":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","asset_address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_address_norm":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_name":"USDC","price":"30000","price_usd":"0.0300000000","pay_to":"5MoL8HNnvZUogGrqiF4T1StmAUpdU7ERA2GUJ7gLrEja","max_timeout_seconds":120}],"pay_to_divergence":null}],"pay_to_changes":[],"assessment":{"updated_at":"2026-10-27T12:43:02.924Z","input_hash":"a31f522c8967a98cf55afa79487ced234d0a4edf19f91bb5c8d723e389a48871","model_id":null,"prompt_version":null,"reliability":{"uptime":{"24h":null,"7d":null,"30d":null,"90d":null},"response_p95_ms":188,"avg_response_ms":188,"last_checked_at":"2026-10-27T12:40:01.266Z","consecutive_failures":-1,"total_checks":1},"compliance":{"grade":"A","passed":14,"total":14,"checks":[{"id":"payload_captured","label":"402 payload captured","pass":true},{"id":"accepts_present","label":"accepts[] array present","pass":true},{"id":"payto_recoverable","label":"payTo address recoverable","pass":true},{"id":"payto_conformant","label":"payTo at accepts[0].payTo (conformant shape)","pass":true},{"id":"payto_shape","label":"payTo is a valid on-chain address","pass":true},{"id":"price_present","label":"atomic price declared","pass":true},{"id":"price_sane","label":"atomic price in a sane range","pass":true},{"id":"asset_declared","label":"asset (token) address declared","pass":true},{"id":"network_caip2","label":"network resolves to CAIP-2","pass":true},{"id":"scheme_declared","label":"payment scheme declared","pass":true},{"id":"transport_https","label":"served over HTTPS","pass":true},{"id":"x402_version_current","label":"declares the current x402 version (2)","pass":true},{"id":"eip712_domain_extra","label":"EIP-712 domain parameters present on every EVM entry","pass":true},{"id":"version_channel_coherent","label":"x402 v2 envelope delivered in the payment-required header","pass":true}],"pay_to_source":"payTo","pay_to_location":"accept","staleness":{"probe_failing":false,"last_success_at":"2026-10-27T14:33:03.500Z","envelope_captured_at":"2026-10-27T12:40:01.266Z"}},"site":{"homepage":true,"openapi":true,"pricing":false,"llms_txt":true,"robots":true,"terms":false,"checked_at":"2026-10-27T12:43:01.360Z"},"domain":{"age_days":null,"registrar":null,"free_host":true,"created_date":null,"checked_at":"2026-10-27T12:43:02.896Z"},"economics":{"price_usd":0.001,"price_atomic":"1000","model":"tiered","category_percentile":8,"stability":1,"price_max_usd":0.25,"category_percentile_max":76,"endpoint_count":6,"distinct_price_count":5},"risk":{"level":"clean","flags":[]},"synthesis":null,"traction":{"status":"measured","volume_usd_30d":0,"tx_count_30d":0,"unique_buyers_30d":0,"last_settlement_at":null,"top_buyer_share_30d":null,"top_3_buyers_share_30d":null,"concentrated_volume":false,"trend_7d_vs_30d":null,"shared_payout":false,"shared_with":0,"measured_networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpKuc147dw2N9d"],"first_settlement_at":null,"volume_usd_all_time":0,"tx_count_all_time":0,"median_settlement_usd_30d":null,"max_settlement_usd_30d":null,"settled_via":[],"settled_via_detail":[],"shared_with_services":[],"pro_quota_share":1,"caveat":"Conservative undercount: only USDC settlements via facilitators we measure are counted. A measured floor, not an estimate.","all_time_caveat":"All-time is floored at the start of our harvest window, not the service full history."}}},"provenance":{"license":"CC-BY-4.0","attribution_required":true,"attribution":"Data: x402-list.com (CC BY 4.0)","cite_as":"https://x402-list.com/services/perp-gap-api","source":"https://x402-list.com"}}