{"uid":"cap_37rF-F89HM8FZu1H0JNlp","slug":"polkadot-price-dot-usd-ddd75c0c","name":"Polkadot Price (DOT/USD)","description":"Public data and utility APIs paid per call in USDC on Base (x402). No accounts, no API keys. 174 routes: crypto/equity data, onchain reads, DNS/email/security intel, geo/weather, x402 payment diagnostics, dev utilities and more.","url":"https://anibalb.duckdns.org/x402/polkadot-price?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"coin":"polkadot","price_usd":1}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_5scMUueEgieCUzutUGcux","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the current USD price of Polkadot (DOT) cryptocurrency via a pay-per-call x402 API requiring no account or API key.","exampleAgentPrompt":"What's the current price of Polkadot in USD? Just give me the latest DOT spot price.","exampleUseCases":[{"title":"Real-time DOT portfolio valuation","prompt":"I hold 500 DOT tokens — can you grab the current Polkadot price and tell me what my holdings are worth in USD right now?"},{"title":"Crypto trading bot price check","prompt":"Before placing a trade, check what Polkadot is currently priced at in USD and let me know if it's above $8."},{"title":"Crypto market dashboard widget","prompt":"Pull the latest Polkadot price for me so I can display it on my market overview dashboard alongside other altcoins."}],"resultDescription":"A JSON object containing the coin identifier ('polkadot') and its current price in USD as a numeric value, e.g. {\"coin\":\"polkadot\",\"price_usd\":1}.","failureModes":["Payment not included or invalid x402 payment header — returns 402 Payment Required","Upstream price feed temporarily unavailable — may return 503 or stale data","Network timeout reaching the duckdns host — returns connection error","Malformed request — returns 400 Bad Request"],"whenToPreferThis":"Choose this endpoint when you need a quick Polkadot spot price without setting up accounts or API keys — it charges $0.001 USDC per call via x402, making it suitable for low-frequency checks, agent pipelines, or environments where traditional API key management is impractical. Prefer a dedicated crypto data provider (e.g. CoinGecko, CoinMarketCap) if you need historical data, order book depth, or high-frequency polling.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:41:52.549Z","isFirstParty":false,"canonicalSlug":"polkadot-price-dot-usd-ddd75c0c"}