{"uid":"cap_iHuiuLY41vZooz7DFjxdI","slug":"agentdata-api-crypto-volatility-endpoint-fb10f18d","name":"AgentData API — Crypto Volatility Endpoint","description":"Pay-per-request crypto market data API for AI agents. 16 endpoints on Base Mainnet via x402 protocol. No accounts, no API keys. USDC micropayments from $0.001. Works with Claude Desktop, ElizaOS, and any MCP client.","url":"https://agentdata-api.com/api/volatility","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"data":{"type":"object","properties":{"ts":{"type":"string"},"data":{"type":"object","additionalProperties":{"type":"object","properties":{"price":{"type":"number"},"low24h":{"type":"number"},"high24h":{"type":"number"},"range24h":{"type":"string"},"change24h":{"type":"string"},"volatilitySignal":{"enum":["LOW","MODERATE","HIGH","EXTREME"],"type":"string"},"annualizedVolatility":{"type":"string"}}}}}},"success":{"type":"boolean"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_-dYWUU-Bu4onPuFhhfSSN","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns volatility metrics for a specified cryptocurrency asset, paid per-request via USDC micropayment on Base Mainnet with no API key required.","exampleAgentPrompt":"What's the current volatility for ETH? Use the AgentData pay-per-request API — no API key, just pay $0.001 USDC from my Base wallet.","exampleUseCases":[{"title":"Risk assessment for DeFi position sizing","prompt":"Before I deposit into this Solana pool, check how volatile SOL is right now. Use AgentData to get the volatility metrics — I'll pay the tiny USDC fee from my Base wallet."},{"title":"Multi-asset volatility comparison for portfolio","prompt":"Compare the current volatility across Bitcoin, Ethereum, and my favorite altcoin so I can decide which one to hedge. Hit AgentData for all three and show me the metrics."},{"title":"Real-time market risk monitoring for trades","prompt":"I'm about to execute a large trade on this token. Pull its latest volatility data from AgentData first so I know what risk I'm taking on — use my Base wallet to cover the lookup cost."}],"resultDescription":"Volatility metrics for the requested cryptocurrency asset, such as historical or implied volatility values, returned as a JSON response after a $0.001 USDC micropayment is processed via the x402 protocol on Base Mainnet.","failureModes":["Insufficient USDC balance on Base Mainnet causes payment failure and 402 response","Unsupported or invalid cryptocurrency symbol returns an error","Network congestion on Base Mainnet delays payment confirmation","Malformed POST body missing required asset identifier returns 400","Service temporarily unavailable returns 503"],"whenToPreferThis":"Choose this endpoint when an AI agent needs on-demand cryptocurrency volatility data without managing API keys or subscriptions, and the agent has a Base Mainnet wallet capable of USDC micropayments via the x402 protocol. Ideal for autonomous agents operating in DeFi, trading, or risk assessment contexts.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:56:07.505Z","isFirstParty":false}