{"info":{"title":"X402tap","version":"1.0.0"},"openapi":"3.1.0","paths":{"/api/crypto-price":{"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"1000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"X402tap: Api Crypto Price","intent":"charge","method":"evm","recipient":"0xB810B599bc730Aa85800BABe7f5d160524322C86"}]},"summary":"Look up current price, 24h change, and market cap for one or more cryptocurrencies"}},"/api/crypto-trending":{"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"1000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"X402tap: Api Crypto Trending","intent":"charge","method":"evm","recipient":"0xB810B599bc730Aa85800BABe7f5d160524322C86"}]},"summary":"Get the top trending cryptocurrencies right now, ranked by search interest"}},"/api/defi-chains":{"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"2000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"X402tap: Api Defi Chains","intent":"charge","method":"evm","recipient":"0xB810B599bc730Aa85800BABe7f5d160524322C86"}]},"summary":"Rank blockchains by total DeFi value locked (TVL) across all protocols"}},"/api/gas-price":{"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"1000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"X402tap: Api Gas Price","intent":"charge","method":"evm","recipient":"0xB810B599bc730Aa85800BABe7f5d160524322C86"}]},"summary":"Current gas price and EIP-1559 fee estimate for a chain (base, ethereum, polygon, arbitrum, optimism)"}},"/api/insights":{"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"1000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"X402tap: Api Insights","intent":"charge","method":"evm","recipient":"0xB810B599bc730Aa85800BABe7f5d160524322C86"}]},"summary":"Trend insights for a topic, based on real Wikipedia page-view volume and momentum. Premium tier adds relatedTrends: other Wikipedia article titles matching the same search terms (title-similarity, not a curated semantic-relevance ranking). Not literal search/social trend data — see the response's `source` field."}},"/api/kalshi-markets":{"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"3000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"X402tap: Api Kalshi Markets","intent":"charge","method":"evm","recipient":"0xB810B599bc730Aa85800BABe7f5d160524322C86"}]},"summary":"Search or list open Kalshi prediction markets (regulated US event contracts)"}},"/api/ping":{"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"1000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"X402tap: Api Ping","intent":"charge","method":"evm","recipient":"0xB810B599bc730Aa85800BABe7f5d160524322C86"}]},"summary":"Heartbeat endpoint billed via a batch-settlement payment channel"}},"/api/polymarket-markets":{"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"3000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"X402tap: Api Polymarket Markets","intent":"charge","method":"evm","recipient":"0xB810B599bc730Aa85800BABe7f5d160524322C86"}]},"summary":"Search or list active Polymarket prediction markets, ranked by 24h volume"}},"/api/prediction-arb":{"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"5000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"X402tap: Api Prediction Arb","intent":"charge","method":"evm","recipient":"0xB810B599bc730Aa85800BABe7f5d160524322C86"}]},"summary":"Find prediction-market questions priced differently on Polymarket vs. Kalshi — a cross-platform divergence signal built from data no single-platform competitor has"}},"/api/wallet-balance":{"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"2000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"X402tap: Api Wallet Balance","intent":"charge","method":"evm","recipient":"0xB810B599bc730Aa85800BABe7f5d160524322C86"}]},"summary":"Native and (optional) ERC-20 token balance for a wallet address across major EVM chains (base, ethereum, polygon, arbitrum, optimism)"}},"/api/weather":{"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"1000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"X402tap: Api Weather","intent":"charge","method":"evm","recipient":"0xB810B599bc730Aa85800BABe7f5d160524322C86"}]},"summary":"Live current weather conditions for any city, sourced from Open-Meteo"}},"/api/web-search":{"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"3000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"X402tap: Api Web Search","intent":"charge","method":"evm","recipient":"0xB810B599bc730Aa85800BABe7f5d160524322C86"}]},"summary":"Real-time web search (via Exa) — ranked results with title, URL, published date, author, and relevance score for a query"}}},"x-service-info":{"description":"X402tap is an x402-native service at https://x402tap.com, indexed from the x402 Bazaar (Coinbase's public discovery directory). It charges callers itself in USDC on Base and is paid directly at its own wallet; Monex Protocol passes your request and payment headers through untouched. 12 endpoints listed."}}