{ "x402Version": 2, "id": 35803, "slug": "35803", "resource": "https://tanod.dev/v1/chain/candles", "description": "chainpeek (Tanod) ETH and BTC OHLCV price candles (5m to 1d) computed from on-chain Uniswap v3 swaps on Base. Use when an agent needs ETH or BTC price history as OHLCV candles for charting or backtesting.", "type": "http", "serviceName": "Tanod chainpeek", "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791364949/bazaar-icons/d8143c9bc952f5cd.png", "resourceType": "Beauty & Personal Care", "accepts": [ { "scheme": "exact", "network": "eip155:8453", "payTo": "0x593857A4a4F619543ea12394137C3004ce841720", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "amount": "3000", "amountUsd": 0.003, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:137", "payTo": "0x593857A4a4F619543ea12394137C3004ce841720", "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359", "amount": "3000", "amountUsd": 0.003, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp", "payTo": "RMk9k3VC8dr4hhjgFh88rGhjAbzfBzHxJJ5n2fTcqus", "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v", "amount": "3000", "amountUsd": 0.003, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:56", "payTo": "0x593857A4a4F619543ea12394137C3004ce841720", "asset": "0x8AC76a51cc950d9822D68b83fE1Ad97B32Cd580d", "amount": "3000000000000000", "maxTimeoutSeconds": 300 } ], "outputSchema": { "properties": { "example": { "properties": { "as_of": { "type": "integer" }, "as_of_block": { "type": "integer" }, "as_of_iso": { "type": "string" }, "base": { "properties": { "address": { "type": "string" }, "decimals": { "type": "integer" }, "symbol": { "type": "string" } }, "required": [ "symbol", "address", "decimals" ], "type": "object" }, "candles": { "items": { "properties": { "close": { "type": [ "number", "null" ] }, "high": { "type": [ "number", "null" ] }, "low": { "type": [ "number", "null" ] }, "open": { "type": [ "number", "null" ] }, "swaps": { "type": "integer" }, "t": { "type": "integer" }, "volume_base": { "type": "number" }, "volume_quote": { "type": "number" } }, "required": [ "t", "open", "high", "low", "close", "volume_base", "volume_quote", "swaps" ], "type": "object" }, "maxItems": 200, "type": "array" }, "chain": { "type": "string" }, "count": { "type": "integer" }, "dex": { "type": "string" }, "fee": { "type": "integer" }, "interval": { "type": "string" }, "interval_seconds": { "type": "integer" }, "last_candle_partial": { "type": "boolean" }, "note": { "type": "string" }, "pair": { "type": "string" }, "pool": { "type": "string" }, "price_unit": { "type": "string" }, "quote": { "properties": { "address": { "type": "string" }, "decimals": { "type": "integer" }, "symbol": { "type": "string" } }, "required": [ "symbol", "address", "decimals" ], "type": "object" }, "source": { "type": "string" }, "timestamps": { "type": "string" } }, "required": [ "pair", "pool", "fee", "interval", "candles", "source", "note" ], "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" }, "extensions": { "bazaar": { "info": { "input": { "body": { "interval": "1h", "limit": 3, "pair": "WETH/USDC" }, "bodyType": "json", "method": "POST", "type": "http" }, "output": { "example": { "as_of": 1791459117, "as_of_block": 52334885, "as_of_iso": "2026-10-08T11:31:57Z", "base": { "address": "0x4200000000000000000000000000000000000006", "decimals": 18, "symbol": "WETH" }, "candles": [ { "close": 2562.440508, "high": 2564.536011, "low": 2562.420829, "open": 2564.53549, "swaps": 162, "t": 1791450000, "volume_base": 283.1768169, "volume_quote": 723823.9884 }, { "close": 2554.931473, "high": 2562.444764, "low": 2554.931469, "open": 2562.440275, "swaps": 332, "t": 1791453600, "volume_base": 978.302039, "volume_quote": 2495689.547 }, { "close": 2533.963891, "high": 2554.934474, "low": 2533.962543, "open": 2554.932156, "swaps": 409, "t": 1791457200, "volume_base": 2643.973295, "volume_quote": 6707581.103 } ], "chain": "base", "count": 3, "dex": "uniswap_v3", "fee": 3000, "interval": "1h", "interval_seconds": 3600, "last_candle_partial": true, "note": "Computed by Tanod from public Uniswap v3 Swap events of one pool on Base: open/high/low/close are the pool's post-swap prices, volumes the absolute swapped amounts. DEX prices can differ from centralized exchanges (fees, arbitrage lag, MEV and sandwich trades inside a block, depegs of the quote stablecoin). A candle without swaps carries the previous close with zero volume; the last candle is still forming. Informational only, not investment advice.", "pair": "WETH/USDC", "pool": "0x6c561B446416E1A00E8E93E221854d6eA4171372", "price_unit": "USDC per WETH", "quote": { "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "decimals": 6, "symbol": "USDC" }, "source": "Uniswap v3 swaps on Base (on-chain)", "timestamps": "Bucketed by block timestamp (UTC, interval-aligned): each log's blockTimestamp, else estimated from Base's fixed 2 s block time anchored at the latest block." }, "type": "json" } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "input": { "additionalProperties": false, "properties": { "body": { "additionalProperties": false, "properties": { "interval": { "default": "1h", "description": "Candle length, UTC-aligned.", "enum": [ "5m", "15m", "1h", "4h", "1d" ], "type": "string" }, "limit": { "anyOf": [ { "maximum": 200, "minimum": 1, "type": "integer" }, { "type": "null" } ], "default": null, "description": "Number of candles, newest last. Default 48 (1d: 30). Lookback caps: 5m and 15m 200, 1h 168, 4h 42, 1d 30." }, "pair": { "description": "WETH/USDC (ETH in USDC, Uniswap v3 0.3% pool on Base) or cbBTC/USDC (BTC in USDC, Uniswap v3 0.05% pool on Base).", "enum": [ "WETH/USDC", "cbBTC/USDC" ], "type": "string" } }, "required": [ "pair" ], "type": "object" }, "bodyType": { "enum": [ "json", "form-data", "text" ], "type": "string" }, "method": { "enum": [ "POST" ], "type": "string" }, "type": { "const": "http", "type": "string" } }, "required": [ "type", "method", "bodyType", "body" ], "type": "object" }, "output": { "properties": { "example": { "properties": { "as_of": { "type": "integer" }, "as_of_block": { "type": "integer" }, "as_of_iso": { "type": "string" }, "base": { "properties": { "address": { "type": "string" }, "decimals": { "type": "integer" }, "symbol": { "type": "string" } }, "required": [ "symbol", "address", "decimals" ], "type": "object" }, "candles": { "items": { "properties": { "close": { "type": [ "number", "null" ] }, "high": { "type": [ "number", "null" ] }, "low": { "type": [ "number", "null" ] }, "open": { "type": [ "number", "null" ] }, "swaps": { "type": "integer" }, "t": { "type": "integer" }, "volume_base": { "type": "number" }, "volume_quote": { "type": "number" } }, "required": [ "t", "open", "high", "low", "close", "volume_base", "volume_quote", "swaps" ], "type": "object" }, "maxItems": 200, "type": "array" }, "chain": { "type": "string" }, "count": { "type": "integer" }, "dex": { "type": "string" }, "fee": { "type": "integer" }, "interval": { "type": "string" }, "interval_seconds": { "type": "integer" }, "last_candle_partial": { "type": "boolean" }, "note": { "type": "string" }, "pair": { "type": "string" }, "pool": { "type": "string" }, "price_unit": { "type": "string" }, "quote": { "properties": { "address": { "type": "string" }, "decimals": { "type": "integer" }, "symbol": { "type": "string" } }, "required": [ "symbol", "address", "decimals" ], "type": "object" }, "source": { "type": "string" }, "timestamps": { "type": "string" } }, "required": [ "pair", "pool", "fee", "interval", "candles", "source", "note" ], "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" } }, "required": [ "input" ], "type": "object" } }, "builder-code": { "info": { "a": "bc_h7pxv14u" }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "additionalProperties": false, "properties": { "a": { "description": "App builder code", "pattern": "^[a-z0-9_]{1,32}$", "type": "string" }, "s": { "description": "Service builder codes", "items": { "pattern": "^[a-z0-9_]{1,32}$", "type": "string" }, "maxItems": 11, "type": "array" }, "w": { "description": "Wallet builder code", "pattern": "^[a-z0-9_]{1,32}$", "type": "string" } }, "type": "object" } }, "erc20ApprovalGasSponsoring": { "info": { "description": "The facilitator accepts a raw signed approval transaction and will sponsor the gas fees.", "version": "1" }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "amount": { "description": "Approval amount (uint256).", "pattern": "^[0-9]+$", "type": "string" }, "asset": { "description": "The ERC-20 token contract address to approve.", "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "from": { "description": "The address of the sender.", "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "signedTransaction": { "description": "RLP-encoded signed transaction calling ERC20.approve().", "pattern": "^0x[a-fA-F0-9]+$", "type": "string" }, "spender": { "description": "The address of the spender (Canonical Permit2).", "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "version": { "description": "Schema version identifier.", "pattern": "^[0-9]+(\\.[0-9]+)*$", "type": "string" } }, "required": [ "from", "asset", "spender", "amount", "signedTransaction", "version" ], "type": "object" } } }, "tags": [ "chainpeek", "chain", "candles", "ens", "calldata", "bazaar", "builder-code", "erc20ApprovalGasSponsoring" ], "sourceHost": "tanod.dev", "lastUpdated": "2026-10-12T15:26:39.214Z", "quality": { "calls30d": 2, "uniquePayers30d": 2, "lastCalledAt": "2026-10-12T15:26:38.472Z" }, "metadata": { "serviceName": "Tanod chainpeek", "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791364949/bazaar-icons/d8143c9bc952f5cd.png", "extensions": { "bazaar": { "info": { "input": { "body": { "interval": "1h", "limit": 3, "pair": "WETH/USDC" }, "bodyType": "json", "method": "POST", "type": "http" }, "output": { "example": { "as_of": 1791459117, "as_of_block": 52334885, "as_of_iso": "2026-10-08T11:31:57Z", "base": { "address": "0x4200000000000000000000000000000000000006", "decimals": 18, "symbol": "WETH" }, "candles": [ { "close": 2562.440508, "high": 2564.536011, "low": 2562.420829, "open": 2564.53549, "swaps": 162, "t": 1791450000, "volume_base": 283.1768169, "volume_quote": 723823.9884 }, { "close": 2554.931473, "high": 2562.444764, "low": 2554.931469, "open": 2562.440275, "swaps": 332, "t": 1791453600, "volume_base": 978.302039, "volume_quote": 2495689.547 }, { "close": 2533.963891, "high": 2554.934474, "low": 2533.962543, "open": 2554.932156, "swaps": 409, "t": 1791457200, "volume_base": 2643.973295, "volume_quote": 6707581.103 } ], "chain": "base", "count": 3, "dex": "uniswap_v3", "fee": 3000, "interval": "1h", "interval_seconds": 3600, "last_candle_partial": true, "note": "Computed by Tanod from public Uniswap v3 Swap events of one pool on Base: open/high/low/close are the pool's post-swap prices, volumes the absolute swapped amounts. DEX prices can differ from centralized exchanges (fees, arbitrage lag, MEV and sandwich trades inside a block, depegs of the quote stablecoin). A candle without swaps carries the previous close with zero volume; the last candle is still forming. Informational only, not investment advice.", "pair": "WETH/USDC", "pool": "0x6c561B446416E1A00E8E93E221854d6eA4171372", "price_unit": "USDC per WETH", "quote": { "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "decimals": 6, "symbol": "USDC" }, "source": "Uniswap v3 swaps on Base (on-chain)", "timestamps": "Bucketed by block timestamp (UTC, interval-aligned): each log's blockTimestamp, else estimated from Base's fixed 2 s block time anchored at the latest block." }, "type": "json" } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "input": { "additionalProperties": false, "properties": { "body": { "additionalProperties": false, "properties": { "interval": { "default": "1h", "description": "Candle length, UTC-aligned.", "enum": [ "5m", "15m", "1h", "4h", "1d" ], "type": "string" }, "limit": { "anyOf": [ { "maximum": 200, "minimum": 1, "type": "integer" }, { "type": "null" } ], "default": null, "description": "Number of candles, newest last. Default 48 (1d: 30). Lookback caps: 5m and 15m 200, 1h 168, 4h 42, 1d 30." }, "pair": { "description": "WETH/USDC (ETH in USDC, Uniswap v3 0.3% pool on Base) or cbBTC/USDC (BTC in USDC, Uniswap v3 0.05% pool on Base).", "enum": [ "WETH/USDC", "cbBTC/USDC" ], "type": "string" } }, "required": [ "pair" ], "type": "object" }, "bodyType": { "enum": [ "json", "form-data", "text" ], "type": "string" }, "method": { "enum": [ "POST" ], "type": "string" }, "type": { "const": "http", "type": "string" } }, "required": [ "type", "method", "bodyType", "body" ], "type": "object" }, "output": { "properties": { "example": { "properties": { "as_of": { "type": "integer" }, "as_of_block": { "type": "integer" }, "as_of_iso": { "type": "string" }, "base": { "properties": { "address": { "type": "string" }, "decimals": { "type": "integer" }, "symbol": { "type": "string" } }, "required": [ "symbol", "address", "decimals" ], "type": "object" }, "candles": { "items": { "properties": { "close": { "type": [ "number", "null" ] }, "high": { "type": [ "number", "null" ] }, "low": { "type": [ "number", "null" ] }, "open": { "type": [ "number", "null" ] }, "swaps": { "type": "integer" }, "t": { "type": "integer" }, "volume_base": { "type": "number" }, "volume_quote": { "type": "number" } }, "required": [ "t", "open", "high", "low", "close", "volume_base", "volume_quote", "swaps" ], "type": "object" }, "maxItems": 200, "type": "array" }, "chain": { "type": "string" }, "count": { "type": "integer" }, "dex": { "type": "string" }, "fee": { "type": "integer" }, "interval": { "type": "string" }, "interval_seconds": { "type": "integer" }, "last_candle_partial": { "type": "boolean" }, "note": { "type": "string" }, "pair": { "type": "string" }, "pool": { "type": "string" }, "price_unit": { "type": "string" }, "quote": { "properties": { "address": { "type": "string" }, "decimals": { "type": "integer" }, "symbol": { "type": "string" } }, "required": [ "symbol", "address", "decimals" ], "type": "object" }, "source": { "type": "string" }, "timestamps": { "type": "string" } }, "required": [ "pair", "pool", "fee", "interval", "candles", "source", "note" ], "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" } }, "required": [ "input" ], "type": "object" } }, "builder-code": { "info": { "a": "bc_h7pxv14u" }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "additionalProperties": false, "properties": { "a": { "description": "App builder code", "pattern": "^[a-z0-9_]{1,32}$", "type": "string" }, "s": { "description": "Service builder codes", "items": { "pattern": "^[a-z0-9_]{1,32}$", "type": "string" }, "maxItems": 11, "type": "array" }, "w": { "description": "Wallet builder code", "pattern": "^[a-z0-9_]{1,32}$", "type": "string" } }, "type": "object" } }, "erc20ApprovalGasSponsoring": { "info": { "description": "The facilitator accepts a raw signed approval transaction and will sponsor the gas fees.", "version": "1" }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "amount": { "description": "Approval amount (uint256).", "pattern": "^[0-9]+$", "type": "string" }, "asset": { "description": "The ERC-20 token contract address to approve.", "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "from": { "description": "The address of the sender.", "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "signedTransaction": { "description": "RLP-encoded signed transaction calling ERC20.approve().", "pattern": "^0x[a-fA-F0-9]+$", "type": "string" }, "spender": { "description": "The address of the spender (Canonical Permit2).", "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "version": { "description": "Schema version identifier.", "pattern": "^[0-9]+(\\.[0-9]+)*$", "type": "string" } }, "required": [ "from", "asset", "spender", "amount", "signedTransaction", "version" ], "type": "object" } } } }, "liveness": { "reliability": null }, "verified": false, "featured": false, "provider": { "host": "tanod.dev", "manifest_name": "tanod.dev", "source": "cdp-mirror", "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "submitted_at": "2026-10-14T01:15:01.050Z" }, "exampleResponse": { "example": { "as_of": 0, "as_of_block": 0, "as_of_iso": "string", "base": { "address": "string", "decimals": 0, "symbol": "string" }, "candles": [ { "close": 0, "high": 0, "low": 0, "open": 0, "swaps": 0, "t": 0, "volume_base": 0, "volume_quote": 0 } ], "chain": "string", "count": 0, "dex": "string", "fee": 0, "interval": "string", "interval_seconds": 0, "last_candle_partial": true, "note": "string", "pair": "string", "pool": "string", "price_unit": "string", "quote": { "address": "string", "decimals": 0, "symbol": "string" }, "source": "string", "timestamps": "string" }, "type": "string" } }