{"uid":"cap_KwT31Hw95Rhh2_3msa1Mu","slug":"blockscout-secondary-coin-market-chart-b1252e0d","name":"Blockscout Secondary Coin Market Chart","description":"Explore crypto activities with Blockscout's multichain search. Find transactions, addresses, tokens, and dapps across top blockchain networks — your go-to explorer for cross-chain blockchain data","url":"https://api.blockscout.com/%7Bchain_id%7D/api/v2/stats/charts/secondary-coin-market","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","HEAD","DELETE"],"type":"string"},"pathParams":{"type":"object","properties":{"chain_id":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"chart_data":[{"date":"string","closing_price":"string"}]}},"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_e4GC6rtxVRSX2YzELtj_d","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 historical closing price chart data for the secondary coin of a specific blockchain network","exampleAgentPrompt":"Pull the secondary coin market chart data for Ethereum mainnet from Blockscout so I can see the historical closing prices.","exampleUseCases":[{"title":"DeFi dashboard secondary token price chart","prompt":"Can you get me the historical closing price chart for the secondary coin on the Gnosis chain from Blockscout? I want to see how it's been trending."},{"title":"Cross-chain secondary coin comparison","prompt":"Fetch the secondary coin market chart data for Polygon from Blockscout — I need the date and closing price history to compare it with another chain."},{"title":"Automated price monitoring for secondary tokens","prompt":"Pull the latest secondary coin market chart from Blockscout for Optimism so I can track whether the price has been rising or falling over time."}],"resultDescription":"Returns an array of chart data objects, each containing a date string and a closing_price string, representing the historical market price of the secondary coin on the specified blockchain network.","failureModes":["Invalid or unsupported chain_id returns an error or empty dataset","chain_id not recognized by Blockscout returns 404 or empty chart_data array","Network or API downtime returns 5xx errors","Chain has no secondary coin configured, resulting in empty chart_data","Payment of 0.002 USDC not provided results in 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need historical closing price chart data specifically for the secondary coin (not the primary/native coin) on a given blockchain network supported by Blockscout. Prefer this over generic price APIs when you need chain-specific secondary token data integrated with Blockscout's multichain explorer ecosystem.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-12T00:49:22.600Z","isFirstParty":false}