{"uid":"cap_Xj20PY2CWIYuDX2gxQnH2","slug":"zerion-fungible-price-chart-api-20130600","name":"Zerion Fungible Price Chart API","description":"DeFi/web3 interactions for agents","url":"https://api.zerion.io/v1/fungibles/eth/charts/day?utm_source=zero.xyz","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","required":["fungible_id","chart_period"],"properties":{"fungible_id":{"type":"string"},"chart_period":{"enum":["1h","1d","1w","1m","3m","1y","max"],"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["data"],"properties":{"data":{"type":"object","properties":{"id":{"type":"string","description":"Resource ID."},"type":{"type":"string","description":"Resource type."},"attributes":{"type":"object","description":"Resource attributes; see https://developers.zerion.io"}}},"links":{"type":"object","description":"Self and pagination links."}}}}}}},"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_wZ0iQOE7dKwBGx8YjNP_3","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":"Returns historical price chart data for a fungible token (e.g. ETH) over a specified time period","exampleAgentPrompt":"Can you pull up the daily price chart for ETH from Zerion — I want to see how it moved over the past day?","exampleUseCases":[{"title":"ETH daily price trend check","prompt":"Show me today's intraday price chart for Ethereum — I want to see how ETH has moved over the last day."},{"title":"DeFi token chart for trading decision","prompt":"Pull the 1-day price chart for ETH from Zerion so I can decide whether now is a good time to rebalance my DeFi portfolio."},{"title":"Automated price monitoring agent","prompt":"Every morning, fetch the daily price chart for ETH from Zerion and alert me if there was a drop of more than 5% at any point yesterday."}],"resultDescription":"Returns a JSON object with a data field containing the chart resource ID, resource type, and attributes with historical price points for the requested fungible token over the specified period, along with self and pagination links.","failureModes":["Invalid fungible_id returns a 404 or empty data response","Missing required query parameters (fungible_id or chart_period) returns a 400 validation error","Invalid chart_period enum value returns a schema validation error","Payment not included or insufficient (x402) results in a 402 payment required response","Rate limiting may return a 429 too many requests error"],"whenToPreferThis":"Use this endpoint when you need historical price chart data for a specific fungible token (like ETH) over a defined time window from Zerion's DeFi-native data source. Prefer this over generic crypto price APIs when you need data that integrates seamlessly with Zerion's broader DeFi portfolio and wallet context, or when building agents that already use Zerion for wallet and position data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T06:40:32.895Z","isFirstParty":false,"canonicalSlug":"zerion-fungible-price-chart-api-20130600"}