{"uid":"cap_4gqAMCE_3tGQnWInIH4rZ","slug":"asset-price-chart-via-tokens-api-base-evm-a7e4a049","name":"Asset Price Chart via Tokens API (Base/EVM)","description":"Price chart via Tokens API (Base/EVM)","url":"https://api.xona-agent.com/base-main/tokens-api/asset-price-chart","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","bodyType","body","method"],"properties":{"body":{"type":"object","properties":{},"additionalProperties":false},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ibEp_JzEGHXAh_smabf6K","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves a historical price chart for a token asset on Base/EVM networks via the Tokens API","exampleAgentPrompt":"Can you pull the price chart history for the USDC token on Base mainnet so I can see how it's moved recently?","exampleUseCases":[{"title":"DeFi token price trend analysis","prompt":"Show me the historical price chart for the AERO token on Base so I can see how it's been trending over the past few weeks."},{"title":"Portfolio performance review","prompt":"I need to check how BRETT has been performing on Base mainnet — can you fetch its price chart history for me?"},{"title":"Pre-trade technical research","prompt":"Before I make a move, can you pull up the price chart data for the cbBTC token on Base network so I can review recent price action?"}],"resultDescription":"Returns historical price chart data for the specified token asset on Base/EVM networks, including price data points over time that can be used for charting, trend analysis, or financial research.","failureModes":["Invalid or unrecognized token address returns an error or empty result","Unsupported EVM network or chain ID causes a lookup failure","Payment failure via x402 protocol results in 402 response and no data returned","Malformed request body causes validation error","Token with no trading history returns empty price series"],"whenToPreferThis":"Choose this endpoint when you need historical price chart data for a specific token on Base or another EVM-compatible network, particularly when operating in an agent workflow that supports x402 micropayment. Ideal for DeFi analytics, portfolio tracking, or pre-trade research where on-chain Base ecosystem token price history is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:46:01.271Z","isFirstParty":false}