{ "openapi": "3.1.0", "info": { "title": "MicroTap — pay-per-call API marketplace", "version": "1.0.0", "description": "19 monetized HTTP APIs on the x402 protocol — prediction markets (Polymarket, Kalshi), DeFi/crypto data, multi-chain on-chain reads, live weather, and real-time web search. No API keys or signups: call any route, receive an HTTP 402 with the exact USDC price, sign a payment, retry, and get the data back. Payments settle on Base or Solana mainnet through Coinbase's CDP Facilitator.", "x-guidance": "Every route on this server is a standard GET endpoint that returns HTTP 402 Payment Required when called without payment. The 402 response body's `accepts` array lists the exact USDC amount, network (Base or Solana), and payTo address — sign a payment matching one of those entries and retry the same request with the payment attached (e.g. via @x402/fetch's wrapFetchWithPayment, or any x402-compatible client) to receive the real response. Prices range from $0.001 to $0.05 per call. Query parameters are documented per-operation below; most routes have sensible defaults and can be called with zero or one parameter. No account, API key, or signup is required — payment alone is the access control.", "contact": { "email": "swaltersjr@gmail.com" } }, "paths": { "/protected": { "get": { "operationId": "getProtected", "summary": "Protected Content — demo of a whole-route paid page", "description": "Premium HTML content, gated by proxy.ts middleware. Demonstrates page-level (not just API-level) x402 protection.", "tags": [ "demo", "content", "middleware" ], "security": [], "x-payment-info": { "price": { "mode": "fixed", "currency": "USD", "amount": "0.001" }, "protocols": [ { "x402": {} } ] }, "responses": { "200": { "description": "Successful response", "content": { "application/json": { "schema": { "type": "object", "properties": { "message": { "type": "string" } }, "example": { "message": "Payment verified — protected HTML content unlocked." } } } } }, "402": { "description": "Payment Required" } } } }, "/api/weather": { "get": { "operationId": "getWeather", "summary": "Weather — live current conditions for any city", "description": "Live current weather conditions for any city, sourced from Open-Meteo.", "tags": [ "weather", "forecast", "api", "data", "live" ], "security": [], "x-payment-info": { "price": { "mode": "fixed", "currency": "USD", "amount": "0.001" }, "protocols": [ { "x402": {} } ] }, "responses": { "200": { "description": "Successful response", "content": { "application/json": { "schema": { "type": "object", "properties": { "location": { "type": "string" }, "observedAt": { "type": "string" }, "report": { "type": "object" }, "source": { "type": "string" } }, "example": { "location": "Austin, Texas, United States", "observedAt": "2026-08-15T12:00", "report": { "weather": "partly cloudy", "temperature": 91, "feelsLike": 94, "humidityPercent": 48, "windMph": 7 }, "source": "open-meteo.com" } } } } }, "402": { "description": "Payment Required" } }, "parameters": [ { "name": "city", "in": "query", "required": false, "description": "City name to fetch live current weather for (defaults to New York)", "schema": { "type": "string", "description": "City name to fetch live current weather for (defaults to New York)" } } ] } }, "/api/generate": { "get": { "operationId": "getGenerate", "summary": "Text Generator — usage-based text generation", "description": "Usage-based text generation, billed by output length (max $0.05/request). Uses the x402 \"upto\" scheme: buyer authorizes a maximum in one signature, actual charge is computed from output length.", "tags": [ "ai", "text-generation", "llm", "content", "usage-based" ], "security": [], "x-payment-info": { "price": { "mode": "dynamic", "currency": "USD", "min": "0.0001", "max": "0.05" }, "protocols": [ { "x402": {} } ] }, "responses": { "200": { "description": "Successful response", "content": { "application/json": { "schema": { "type": "object", "properties": { "prompt": { "type": "string" }, "text": { "type": "string" }, "billedCharacters": { "type": "number" } }, "example": { "prompt": "tell me something interesting", "text": "Generated insight #1 about \"tell me something interesting\".", "billedCharacters": 62 } } } } }, "402": { "description": "Payment Required" } }, "parameters": [ { "name": "prompt", "in": "query", "required": true, "description": "Text prompt to generate insights about", "schema": { "type": "string", "description": "Text prompt to generate insights about" } } ] } }, "/api/insights": { "get": { "operationId": "getInsights", "summary": "Trend Insights — tiered topic insights", "description": "Trend insights for a topic, with a premium tier for the full breakdown. standard = $0.001, premium = $0.005.", "tags": [ "insights", "trends", "analytics", "data", "tiered-pricing" ], "security": [], "x-payment-info": { "price": { "mode": "dynamic", "currency": "USD", "min": "0.001", "max": "0.005" }, "protocols": [ { "x402": {} } ] }, "responses": { "200": { "description": "Successful response", "content": { "application/json": { "schema": { "type": "object", "properties": { "topic": { "type": "string" }, "tier": { "type": "string" }, "score": { "type": "number" }, "momentum": { "type": "string" }, "relatedTrends": { "type": "array" } }, "example": { "topic": "ai agents", "tier": "premium", "score": 87, "momentum": "+14% WoW", "relatedTrends": [ "x402", "agentic commerce", "mcp" ] } } } } }, "402": { "description": "Payment Required" } }, "parameters": [ { "name": "topic", "in": "query", "required": true, "description": "Topic to fetch trend insights for", "schema": { "type": "string", "description": "Topic to fetch trend insights for" } }, { "name": "tier", "in": "query", "required": false, "description": "standard = $0.001, premium = $0.005", "schema": { "type": "string", "enum": [ "standard", "premium" ], "description": "standard = $0.001, premium = $0.005" } } ] } }, "/api/ping": { "get": { "operationId": "getPing", "summary": "Heartbeat — cheap repeatable ping", "description": "Heartbeat endpoint billed via a batch-settlement payment channel (with an exact-scheme fallback). Meant to be called many times in a session.", "tags": [ "heartbeat", "monitoring", "micropayments", "batch-settlement" ], "security": [], "x-payment-info": { "price": { "mode": "fixed", "currency": "USD", "amount": "0.001" }, "protocols": [ { "x402": {} } ] }, "responses": { "200": { "description": "Successful response", "content": { "application/json": { "schema": { "type": "object", "properties": { "pong": { "type": "boolean" }, "ts": { "type": "number" } }, "example": { "pong": true, "ts": 1700000000000 } } } } }, "402": { "description": "Payment Required" } } } }, "/api/polymarket-markets": { "get": { "operationId": "getPolymarketMarkets", "summary": "Polymarket Markets — search/list active markets", "description": "Search or list active Polymarket prediction markets, ranked by 24h volume.", "tags": [ "prediction-markets", "polymarket", "crypto", "finance", "trading" ], "security": [], "x-payment-info": { "price": { "mode": "fixed", "currency": "USD", "amount": "0.003" }, "protocols": [ { "x402": {} } ] }, "responses": { "200": { "description": "Successful response", "content": { "application/json": { "schema": { "type": "object", "properties": { "query": { "type": "string" }, "count": { "type": "number" }, "markets": { "type": "array" } }, "example": { "query": "election", "count": 1, "markets": [ { "slug": "example-market", "question": "Example prediction market?", "outcomes": [ "Yes", "No" ], "outcomePrices": [ 0.62, 0.38 ], "volume24hr": 12345.67, "volumeTotal": 987654.32, "liquidity": 45678.9, "endDate": "2026-12-31T00:00:00Z", "active": true } ] } } } } }, "402": { "description": "Payment Required" } }, "parameters": [ { "name": "q", "in": "query", "required": false, "description": "Optional keyword filter on the market question", "schema": { "type": "string", "description": "Optional keyword filter on the market question" } }, { "name": "limit", "in": "query", "required": false, "description": "Max markets to return, 1-50 (default 10)", "schema": { "type": "string", "description": "Max markets to return, 1-50 (default 10)" } } ] } }, "/api/polymarket-market": { "get": { "operationId": "getPolymarketMarket", "summary": "Polymarket Market Detail — single market by slug", "description": "Get full detail (prices, volume, liquidity, resolution) for a single Polymarket market by slug.", "tags": [ "prediction-markets", "polymarket", "crypto", "finance", "trading" ], "security": [], "x-payment-info": { "price": { "mode": "fixed", "currency": "USD", "amount": "0.002" }, "protocols": [ { "x402": {} } ] }, "responses": { "200": { "description": "Successful response", "content": { "application/json": { "schema": { "type": "object", "properties": { "slug": { "type": "string" }, "question": { "type": "string" }, "description": { "type": "string" }, "outcomes": { "type": "array" }, "outcomePrices": { "type": "array" }, "volume24hr": { "type": "number" }, "volume1wk": { "type": "number" }, "volumeTotal": { "type": "number" }, "liquidity": { "type": "number" }, "endDate": { "type": "string" }, "active": { "type": "boolean" }, "closed": { "type": "boolean" } }, "example": { "slug": "xi-jinping-out-before-2027", "question": "Xi Jinping out before 2027?", "description": "This market will resolve to \"Yes\" if...", "outcomes": [ "Yes", "No" ], "outcomePrices": [ 0.0445, 0.9555 ], "volume24hr": 23665.67, "volume1wk": 122625.33, "volumeTotal": 12084934.95, "liquidity": 233436.44, "endDate": "2026-12-31T00:00:00Z", "active": true, "closed": false } } } } }, "402": { "description": "Payment Required" } }, "parameters": [ { "name": "slug", "in": "query", "required": true, "description": "Polymarket market slug (from the URL or /api/polymarket-markets)", "schema": { "type": "string", "description": "Polymarket market slug (from the URL or /api/polymarket-markets)" } } ] } }, "/api/kalshi-markets": { "get": { "operationId": "getKalshiMarkets", "summary": "Kalshi Markets — search/list open markets", "description": "Search or list open Kalshi prediction markets (regulated US event contracts).", "tags": [ "prediction-markets", "kalshi", "finance", "trading", "events" ], "security": [], "x-payment-info": { "price": { "mode": "fixed", "currency": "USD", "amount": "0.003" }, "protocols": [ { "x402": {} } ] }, "responses": { "200": { "description": "Successful response", "content": { "application/json": { "schema": { "type": "object", "properties": { "query": { "type": "string" }, "count": { "type": "number" }, "markets": { "type": "array" } }, "example": { "query": "fed rate", "count": 1, "markets": [ { "ticker": "KXEXAMPLE-99", "eventTicker": "KXEXAMPLE-99", "title": "Example Kalshi market?", "yesBid": 0.1, "yesAsk": 0.12, "lastPrice": 0.12, "volume24h": 174.62, "liquidity": 0, "closeTime": "2099-08-01T04:59:00Z", "status": "active" } ] } } } } }, "402": { "description": "Payment Required" } }, "parameters": [ { "name": "q", "in": "query", "required": false, "description": "Optional keyword filter on the market title", "schema": { "type": "string", "description": "Optional keyword filter on the market title" } }, { "name": "limit", "in": "query", "required": false, "description": "Max markets to return, 1-50 (default 10)", "schema": { "type": "string", "description": "Max markets to return, 1-50 (default 10)" } } ] } }, "/api/kalshi-market": { "get": { "operationId": "getKalshiMarket", "summary": "Kalshi Market Detail — single market by ticker", "description": "Get full detail (yes/no prices, volume, status, result) for a single Kalshi market by ticker.", "tags": [ "prediction-markets", "kalshi", "finance", "trading", "events" ], "security": [], "x-payment-info": { "price": { "mode": "fixed", "currency": "USD", "amount": "0.002" }, "protocols": [ { "x402": {} } ] }, "responses": { "200": { "description": "Successful response", "content": { "application/json": { "schema": { "type": "object", "properties": { "ticker": { "type": "string" }, "eventTicker": { "type": "string" }, "title": { "type": "string" }, "yesSubTitle": { "type": "null" }, "noSubTitle": { "type": "string" }, "yesBid": { "type": "number" }, "yesAsk": { "type": "number" }, "noBid": { "type": "number" }, "noAsk": { "type": "number" }, "lastPrice": { "type": "number" }, "volume": { "type": "number" }, "volume24h": { "type": "number" }, "liquidity": { "type": "number" }, "openTime": { "type": "string" }, "closeTime": { "type": "string" }, "status": { "type": "string" }, "result": { "type": "null" } }, "example": { "ticker": "KXELONMARS-99", "eventTicker": "KXELONMARS-99", "title": "Will Elon Musk visit Mars before Aug 1, 2099?", "yesSubTitle": null, "noSubTitle": "Mars", "yesBid": 0.1, "yesAsk": 0.12, "noBid": 0.88, "noAsk": 0.9, "lastPrice": 0.12, "volume": 117134.08, "volume24h": 174.62, "liquidity": 0, "openTime": "2025-08-28T20:45:00Z", "closeTime": "2099-08-01T04:59:00Z", "status": "active", "result": null } } } } }, "402": { "description": "Payment Required" } }, "parameters": [ { "name": "ticker", "in": "query", "required": true, "description": "Kalshi market ticker (from /api/kalshi-markets)", "schema": { "type": "string", "description": "Kalshi market ticker (from /api/kalshi-markets)" } } ] } }, "/api/defi-tvl": { "get": { "operationId": "getDefiTvl", "summary": "DeFi Protocol TVL — by chain, plus market cap", "description": "Look up a DeFi protocol's current total value locked (TVL), by chain, plus market cap.", "tags": [ "defi", "crypto", "tvl", "finance", "on-chain" ], "security": [], "x-payment-info": { "price": { "mode": "fixed", "currency": "USD", "amount": "0.003" }, "protocols": [ { "x402": {} } ] }, "responses": { "200": { "description": "Successful response", "content": { "application/json": { "schema": { "type": "object", "properties": { "name": { "type": "string" }, "symbol": { "type": "string" }, "url": { "type": "string" }, "chains": { "type": "array" }, "tvlUsd": { "type": "number" }, "asOf": { "type": "string" }, "tvlByChain": { "type": "object" }, "marketCapUsd": { "type": "number" } }, "example": { "name": "Uniswap", "symbol": "UNI", "url": "https://uniswap.org/", "chains": [ "Ethereum", "Base", "Arbitrum" ], "tvlUsd": 2922032778, "asOf": "2026-08-16T00:00:00.000Z", "tvlByChain": { "Ethereum": 1800000000, "Base": 400000000 }, "marketCapUsd": 5200000000 } } } } }, "402": { "description": "Payment Required" } }, "parameters": [ { "name": "protocol", "in": "query", "required": true, "description": "DefiLlama protocol slug, e.g. \"uniswap\", \"aave\"", "schema": { "type": "string", "description": "DefiLlama protocol slug, e.g. \"uniswap\", \"aave\"" } } ] } }, "/api/defi-chains": { "get": { "operationId": "getDefiChains", "summary": "DeFi Chain TVL Ranking — chains by total DeFi TVL", "description": "Rank blockchains by total DeFi value locked (TVL) across all protocols.", "tags": [ "defi", "crypto", "tvl", "finance", "on-chain", "blockchain" ], "security": [], "x-payment-info": { "price": { "mode": "fixed", "currency": "USD", "amount": "0.002" }, "protocols": [ { "x402": {} } ] }, "responses": { "200": { "description": "Successful response", "content": { "application/json": { "schema": { "type": "object", "properties": { "count": { "type": "number" }, "chains": { "type": "array" } }, "example": { "count": 2, "chains": [ { "rank": 1, "chain": "Ethereum", "tokenSymbol": "ETH", "tvlUsd": 65000000000 }, { "rank": 2, "chain": "Solana", "tokenSymbol": "SOL", "tvlUsd": 8500000000 } ] } } } } }, "402": { "description": "Payment Required" } }, "parameters": [ { "name": "limit", "in": "query", "required": false, "description": "Number of top chains to return, 1-100 (default 15)", "schema": { "type": "string", "description": "Number of top chains to return, 1-100 (default 15)" } } ] } }, "/api/crypto-price": { "get": { "operationId": "getCryptoPrice", "summary": "Crypto Price Lookup — price, 24h change, market cap", "description": "Look up current price, 24h change, and market cap for one or more cryptocurrencies.", "tags": [ "crypto", "price", "finance", "market-data" ], "security": [], "x-payment-info": { "price": { "mode": "fixed", "currency": "USD", "amount": "0.001" }, "protocols": [ { "x402": {} } ] }, "responses": { "200": { "description": "Successful response", "content": { "application/json": { "schema": { "type": "object", "properties": { "vs": { "type": "string" }, "prices": { "type": "array" } }, "example": { "vs": "usd", "prices": [ { "id": "bitcoin", "price": 63151, "change24hPct": -0.2, "marketCap": 1267177736333 } ] } } } } }, "402": { "description": "Payment Required" } }, "parameters": [ { "name": "ids", "in": "query", "required": true, "description": "Comma-separated CoinGecko coin ids, e.g. \"bitcoin,ethereum\"", "schema": { "type": "string", "description": "Comma-separated CoinGecko coin ids, e.g. \"bitcoin,ethereum\"" } }, { "name": "vs", "in": "query", "required": false, "description": "Quote currency, e.g. \"usd\", \"eur\" (default usd)", "schema": { "type": "string", "description": "Quote currency, e.g. \"usd\", \"eur\" (default usd)" } } ] } }, "/api/crypto-market": { "get": { "operationId": "getCryptoMarket", "summary": "Crypto Market Data — rank, 24h high/low, volume, ATH", "description": "Rich market data for one or more cryptocurrencies: rank, 24h high/low, volume, ATH, and more.", "tags": [ "crypto", "market-data", "finance", "trading" ], "security": [], "x-payment-info": { "price": { "mode": "fixed", "currency": "USD", "amount": "0.002" }, "protocols": [ { "x402": {} } ] }, "responses": { "200": { "description": "Successful response", "content": { "application/json": { "schema": { "type": "object", "properties": { "vs": { "type": "string" }, "count": { "type": "number" }, "coins": { "type": "array" } }, "example": { "vs": "usd", "count": 1, "coins": [ { "id": "bitcoin", "symbol": "btc", "name": "Bitcoin", "rank": 1, "price": 63151, "marketCap": 1267177736333, "volume24h": 28123456789, "high24h": 63980, "low24h": 61890, "change24hPct": -0.2, "circulatingSupply": 19780000, "athPrice": 108786, "athChangePct": -41.9 } ] } } } } }, "402": { "description": "Payment Required" } }, "parameters": [ { "name": "ids", "in": "query", "required": true, "description": "Comma-separated CoinGecko coin ids, e.g. \"bitcoin,ethereum\"", "schema": { "type": "string", "description": "Comma-separated CoinGecko coin ids, e.g. \"bitcoin,ethereum\"" } }, { "name": "vs", "in": "query", "required": false, "description": "Quote currency, e.g. \"usd\", \"eur\" (default usd)", "schema": { "type": "string", "description": "Quote currency, e.g. \"usd\", \"eur\" (default usd)" } } ] } }, "/api/crypto-trending": { "get": { "operationId": "getCryptoTrending", "summary": "Crypto Trending — top trending coins right now", "description": "Get the top trending cryptocurrencies right now, ranked by search interest.", "tags": [ "crypto", "trending", "market-data", "finance" ], "security": [], "x-payment-info": { "price": { "mode": "fixed", "currency": "USD", "amount": "0.001" }, "protocols": [ { "x402": {} } ] }, "responses": { "200": { "description": "Successful response", "content": { "application/json": { "schema": { "type": "object", "properties": { "count": { "type": "number" }, "coins": { "type": "array" } }, "example": { "count": 1, "coins": [ { "id": "pepe", "name": "Pepe", "symbol": "PEPE", "marketCapRank": 28, "priceUsd": 0.0000091, "change24hPct": 5.3, "marketCap": "$3.8B", "volume24h": "$412M" } ] } } } } }, "402": { "description": "Payment Required" } } } }, "/api/web-search": { "get": { "operationId": "getWebSearch", "summary": "Web Search — real-time ranked results via Exa", "description": "Real-time web search (via Exa) — ranked results with title, URL, published date, author, and relevance score for a query.", "tags": [ "search", "web-search", "data", "ai" ], "security": [], "x-payment-info": { "price": { "mode": "fixed", "currency": "USD", "amount": "0.003" }, "protocols": [ { "x402": {} } ] }, "responses": { "200": { "description": "Successful response", "content": { "application/json": { "schema": { "type": "object", "properties": { "query": { "type": "string" }, "autopromptString": { "type": "null" }, "results": { "type": "array" } }, "example": { "query": "Base blockchain", "autopromptString": null, "results": [ { "title": "Base (blockchain) - Wikipedia", "url": "https://en.wikipedia.org/wiki/Base_(blockchain)", "publishedDate": "2023-08-09", "author": null, "score": 0.87 } ] } } } } }, "402": { "description": "Payment Required" } }, "parameters": [ { "name": "q", "in": "query", "required": true, "description": "Search query", "schema": { "type": "string", "description": "Search query" } }, { "name": "numResults", "in": "query", "required": false, "description": "Number of results to return (1-10, default 5)", "schema": { "type": "integer", "description": "Number of results to return (1-10, default 5)" } } ] } }, "/api/rpc": { "get": { "operationId": "getRpc", "summary": "Multi-Chain RPC — safelisted read-only JSON-RPC proxy", "description": "Safelisted read-only JSON-RPC proxy across major EVM chains (base, ethereum, polygon, arbitrum, optimism) — eth_call, eth_getBalance, eth_getTransactionReceipt, eth_getBlockByNumber, and more.", "tags": [ "rpc", "ethereum", "on-chain", "blockchain", "infrastructure" ], "security": [], "x-payment-info": { "price": { "mode": "fixed", "currency": "USD", "amount": "0.003" }, "protocols": [ { "x402": {} } ] }, "responses": { "200": { "description": "Successful response", "content": { "application/json": { "schema": { "type": "object", "properties": { "chain": { "type": "string" }, "method": { "type": "string" }, "result": { "type": "string" } }, "example": { "chain": "Base", "method": "eth_blockNumber", "result": "0x1234567" } } } } }, "402": { "description": "Payment Required" } }, "parameters": [ { "name": "chain", "in": "query", "required": false, "description": "Chain to query: base, ethereum, polygon, arbitrum, optimism (default base)", "schema": { "type": "string", "description": "Chain to query: base, ethereum, polygon, arbitrum, optimism (default base)" } }, { "name": "method", "in": "query", "required": true, "description": "Read-only JSON-RPC method name, e.g. eth_getBalance, eth_call, eth_blockNumber", "schema": { "type": "string", "description": "Read-only JSON-RPC method name, e.g. eth_getBalance, eth_call, eth_blockNumber" } }, { "name": "params", "in": "query", "required": false, "description": "JSON-encoded array of RPC params, e.g. [\"0xabc...\",\"latest\"] (default [])", "schema": { "type": "string", "description": "JSON-encoded array of RPC params, e.g. [\"0xabc...\",\"latest\"] (default [])" } } ] } }, "/api/wallet-balance": { "get": { "operationId": "getWalletBalance", "summary": "Wallet Balance Lookup — native + ERC-20 balance", "description": "Native and (optional) ERC-20 token balance for a wallet address across major EVM chains (base, ethereum, polygon, arbitrum, optimism).", "tags": [ "wallet", "balance", "ethereum", "on-chain", "blockchain", "erc20" ], "security": [], "x-payment-info": { "price": { "mode": "fixed", "currency": "USD", "amount": "0.002" }, "protocols": [ { "x402": {} } ] }, "responses": { "200": { "description": "Successful response", "content": { "application/json": { "schema": { "type": "object", "properties": { "chain": { "type": "string" }, "address": { "type": "string" }, "native": { "type": "object" }, "token": { "type": "object" } }, "example": { "chain": "Base", "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045", "native": { "symbol": "ETH", "balance": "1.24031" }, "token": { "address": "0x8335...", "symbol": "USDC", "decimals": 6, "balance": "500.0" } } } } } }, "402": { "description": "Payment Required" } }, "parameters": [ { "name": "address", "in": "query", "required": true, "description": "EVM wallet address (0x...)", "schema": { "type": "string", "description": "EVM wallet address (0x...)" } }, { "name": "chain", "in": "query", "required": false, "description": "Chain to query: base, ethereum, polygon, arbitrum, optimism (default base)", "schema": { "type": "string", "description": "Chain to query: base, ethereum, polygon, arbitrum, optimism (default base)" } }, { "name": "token", "in": "query", "required": false, "description": "Optional ERC-20 token contract address to also check", "schema": { "type": "string", "description": "Optional ERC-20 token contract address to also check" } } ] } }, "/api/gas-price": { "get": { "operationId": "getGasPrice", "summary": "Gas Price Oracle — current gas + EIP-1559 estimate", "description": "Current gas price and EIP-1559 fee estimate for a chain (base, ethereum, polygon, arbitrum, optimism).", "tags": [ "gas", "ethereum", "on-chain", "blockchain", "fees" ], "security": [], "x-payment-info": { "price": { "mode": "fixed", "currency": "USD", "amount": "0.001" }, "protocols": [ { "x402": {} } ] }, "responses": { "200": { "description": "Successful response", "content": { "application/json": { "schema": { "type": "object", "properties": { "chain": { "type": "string" }, "nativeSymbol": { "type": "string" }, "gasPriceGwei": { "type": "number" }, "maxFeePerGasGwei": { "type": "number" }, "maxPriorityFeePerGasGwei": { "type": "number" } }, "example": { "chain": "Base", "nativeSymbol": "ETH", "gasPriceGwei": 0.012, "maxFeePerGasGwei": 0.015, "maxPriorityFeePerGasGwei": 0.001 } } } } }, "402": { "description": "Payment Required" } }, "parameters": [ { "name": "chain", "in": "query", "required": false, "description": "Chain to query: base, ethereum, polygon, arbitrum, optimism (default base)", "schema": { "type": "string", "description": "Chain to query: base, ethereum, polygon, arbitrum, optimism (default base)" } } ] } }, "/api/ens-resolve": { "get": { "operationId": "getEnsResolve", "summary": "ENS Resolver — name ↔ address resolution", "description": "Resolve an ENS name to an address, or reverse-resolve an address to its primary ENS name.", "tags": [ "ens", "ethereum", "on-chain", "identity", "domains" ], "security": [], "x-payment-info": { "price": { "mode": "fixed", "currency": "USD", "amount": "0.002" }, "protocols": [ { "x402": {} } ] }, "responses": { "200": { "description": "Successful response", "content": { "application/json": { "schema": { "type": "object", "properties": { "name": { "type": "string" }, "address": { "type": "string" } }, "example": { "name": "vitalik.eth", "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045" } } } } }, "402": { "description": "Payment Required" } }, "parameters": [ { "name": "name", "in": "query", "required": false, "description": "ENS name to resolve, e.g. \"vitalik.eth\"", "schema": { "type": "string", "description": "ENS name to resolve, e.g. \"vitalik.eth\"" } }, { "name": "address", "in": "query", "required": false, "description": "EVM address to reverse-resolve to its primary ENS name", "schema": { "type": "string", "description": "EVM address to reverse-resolve to its primary ENS name" } } ] } } } }