{"uid":"cap_eAS-hgoungV9TgiFLHl8R","slug":"doormat-capital-funding-rates-api-1f242451","name":"Doormat Capital Funding Rates API","description":"Paid market-data endpoints settled in USDC on Base (x402). Pay by sending USDC to the address in the 402 challenge, then retry with header X-PAYMENT-TX: <tx hash>. Introductory pricing through 17 Oct 2026 on /funding (0.05 USDC normally) and /wallet-scan (0.20 USDC normally) — see each route's 402 response for the current amount.","url":"https://signals.sebastiaan-ba3.workers.dev/funding?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"properties":{"input":{"properties":{"queryParams":{}}},"output":{"properties":{"example":{"source":"Lighter public REST API (mainnet.zklighter.elliot.ai), fetched live for this request","markets":[{"symbol":"BTC","mark_price":63250.5,"open_interest":1234.56,"change_24h_pct":1.42,"volume_24h_usd":812345678,"other_exchange_rates":{"binance":0.00012,"hyperliquid":0.00009},"lighter_funding_rate_8h":0.0001,"funding_spread_vs_others":-0.00001}],"generated_at":"2026-09-29T12:00:00.000Z"}}}}},"responseSchema":{"type":"json","example":{"source":"Lighter public REST API (mainnet.zklighter.elliot.ai), fetched live for this request","markets":[{"symbol":"BTC","mark_price":63250.5,"open_interest":1234.56,"change_24h_pct":1.42,"volume_24h_usd":812345678,"other_exchange_rates":{"binance":0.00012,"hyperliquid":0.00009},"lighter_funding_rate_8h":0.0001,"funding_spread_vs_others":-0.00001}],"generated_at":"2026-09-29T12:00:00.000Z"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_K7XsQoalr_q_9tu3FG0ih","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns live perpetual funding rates and market data for crypto markets sourced from Lighter DEX, with comparisons to Binance and Hyperliquid","exampleAgentPrompt":"Pull the current BTC funding rate from Doormat Capital's signals feed — I want the 8-hour rate on Lighter plus how it compares to Binance and Hyperliquid, along with open interest and 24h volume.","exampleUseCases":[{"title":"Funding rate arbitrage scanner","prompt":"Show me the current funding rate spreads for BTC between Lighter DEX and Binance and Hyperliquid — I want to know if there's a profitable arb opportunity right now."},{"title":"Perpetual market health dashboard","prompt":"Get me the latest open interest, mark price, and 24h volume for BTC perpetuals from the Doormat Capital signals feed so I can update my market dashboard."},{"title":"Automated funding rate alert","prompt":"Check the current 8-hour BTC funding rate on Lighter and tell me if it's positive or negative and by how much compared to other exchanges — I'm deciding whether to hold my long position overnight."}],"resultDescription":"A JSON object containing per-market data including: symbol, mark price, open interest, 24h percentage change, 24h USD volume, Lighter 8-hour funding rate, funding spread versus other exchanges, and exchange-specific funding rates for Binance and Hyperliquid. Also includes the data source and a generated_at timestamp.","failureModes":["HTTP 402 Payment Required — must send USDC payment to the challenge address and retry with X-PAYMENT-TX header","Invalid or unconfirmed transaction hash — payment not recognized, returns 402 again","Network unavailability of Lighter public REST API — upstream data fetch fails","Rate limiting or quota exceeded on the upstream Lighter API","Empty or malformed query parameters — may return unexpected or partial results"],"whenToPreferThis":"Choose this endpoint when you need live perpetual futures funding rates specifically from Lighter DEX alongside cross-exchange comparisons to Binance and Hyperliquid. Ideal for funding rate arbitrage detection, DeFi market monitoring, or any workflow requiring pay-per-call crypto market data settled on-chain via USDC on Base (x402 protocol). Prefer over free endpoints when data freshness and cross-exchange spread data are critical.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:34:39.755Z","isFirstParty":false,"canonicalSlug":"doormat-capital-funding-rates-api-1f242451"}