{
  "markdown": "# Token OHLCV History API\n\n[![MCP Server](https://img.shields.io/badge/MCP-server-blue)](https://token-ohlcv.api.klymax402.com/mcp)\n[![x402](https://img.shields.io/badge/payments-x402-6E56CF)](https://x402.org)\n[![License: MIT](https://img.shields.io/badge/license-MIT-green)](LICENSE)\n\nHistorical OHLCV candles for any token -- daily, 4h, 1h intervals. CoinGecko + GeckoTerminal powered. Pay-per-call via [x402](https://x402.org) (USDC on Base L2) -- no API key, no signup, no rate-limit wall.\n\nPart of the [klymax402](https://klymax402.com) marketplace -- 100 x402 micropayment APIs for AI agents, one wallet, USDC on Base.\n\n## Quickstart -- MCP\n\nAdd to your MCP client config (Claude Desktop, Cursor, ElizaOS, etc.):\n\n```json\n{\n  \"mcpServers\": {\n    \"token-ohlcv\": {\n      \"url\": \"https://token-ohlcv.api.klymax402.com/mcp\"\n    }\n  }\n}\n```\n\n## Quickstart -- HTTP (x402)\n\n```bash\ncurl \"https://token-ohlcv.api.klymax402.com/api/candles\"\n# -> 402 Payment Required, with an x402 payment challenge in the response body\n```\n\nAny x402-aware client ([`@x402/fetch`](https://www.npmjs.com/package/@x402/fetch), [`x402-agent-tools`](https://www.npmjs.com/package/x402-agent-tools), ATXP) handles the 402 -> sign -> retry cycle automatically.\n\n## Tools\n\n| Tool | Method | Path | Price | Description |\n|---|---|---|---|---|\n| `token_get_ohlcv_history` | GET | `/api/candles` | $0.005 | Get historical OHLCV candles for any token by ID or contract address |\n| `token_get_ohlcv_history` | POST | `/api/candles` | $0.005 | Get historical OHLCV candles for any token by ID or contract address (POST variant) |\n\n### `token_get_ohlcv_history`\n\nUse this when you need historical price candlestick data for any token. Returns OHLCV candles in JSON.\n\n**Parameters**\n\n| Name | Type | Required | Description |\n|---|---|---|---|\n| `token` | string | no | CoinGecko token ID (e.g. bitcoin, ethereum, solana). Use this OR contract+chain. |\n| `contract` | string | no | On-chain contract address (e.g. 0x...). Use with chain parameter for GeckoTerminal lookup. |\n| `chain` | string | no | Blockchain network for contract lookup: base, ethereum, solana, arbitrum, polygon, optimism, bsc. |\n| `days` | number | no | Number of days of history (default 30, max 365). For 1h interval max 2 days, for 4h max 90 days. |\n| `interval` | string | no | Candle interval: daily (default), 4h (if days <= 90), 1h (if days <= 2). |\n\n**Returns**\n\n- `candles` -- array of candlestick objects with timestamp, open, high, low, close, volume\n- `token` -- token identifier used\n- `interval` -- candle interval (daily, 4h, 1h)\n- `days` -- number of days of history returned\n- `source` -- data source (CoinGecko or GeckoTerminal)\n\nExample response:\n\n```json\n{\"candles\":[{\"timestamp\":1712966400,\"open\":3105.20,\"high\":3142.80,\"low\":3089.50,\"close\":3128.60,\"volume\":1250000000}],\"token\":\"ethereum\",\"interval\":\"daily\",\"days\":30,\"source\":\"CoinGecko\"}\n```\n\n**When to use**: technical analysis, backtesting, trend detection, and charting. Supports 10,000+ tokens by CoinGecko ID or on-chain contract address via GeckoTerminal.\n\n**Not for**: swap quotes (use `dex_get_swap_quote`), news (use `crypto_get_latest_news`), funding rates (use `perp_scan_funding_arbitrage`).\n\n### `token_get_ohlcv_history`\n\nUse this when you need historical price candlestick data for any token. Returns OHLCV candles in JSON. POST variant of token_get_ohlcv_history -- same params passed as JSON body instead of query string.\n\n**Parameters**\n\n| Name | Type | Required | Description |\n|---|---|---|---|\n| `token` | string | no | CoinGecko token ID (e.g. bitcoin, ethereum, solana). Use this OR contract+chain. |\n| `contract` | string | no | On-chain contract address (e.g. 0x...). Use with chain parameter for GeckoTerminal lookup. |\n| `chain` | string | no | Blockchain network for contract lookup: base, ethereum, solana, arbitrum, polygon, optimism, bsc. |\n| `days` | number | no | Number of days of history (default 30, max 365). For 1h interval max 2 days, for 4h max 90 days. |\n| `interval` | string | no | Candle interval: daily (default), 4h (if days <= 90), 1h (if days <= 2). |\n\n**Returns**\n\n- `candles` -- array of candlestick objects with timestamp, open, high, low, close, volume\n- `token` -- token identifier used\n- `interval` -- candle interval (daily, 4h, 1h)\n- `days` -- number of days of history returned\n- `source` -- data source (CoinGecko or GeckoTerminal)\n\nExample response:\n\n```json\n{\"candles\":[{\"timestamp\":1712966400,\"open\":3105.20,\"high\":3142.80,\"low\":3089.50,\"close\":3128.60,\"volume\":1250000000}],\"token\":\"ethereum\",\"interval\":\"daily\",\"days\":30,\"source\":\"CoinGecko\"}\n```\n\n**When to use**: technical analysis, backtesting, trend detection, and charting. Supports 10,000+ tokens by CoinGecko ID or on-chain contract address via GeckoTerminal.\n\n**Not for**: swap quotes (use `dex_get_swap_quote`), news (use `crypto_get_latest_news`), funding rates (use `perp_scan_funding_arbitrage`).\n\n## Example agent prompts\n\n- \"Historical price candlestick data for any token\"\n- \"Historical price candlestick data for any token\"\n\n## Payment\n\n- Protocol: [x402](https://x402.org) -- HTTP-native pay-per-call, no signup, no API key\n- Network: Base L2 (`eip155:8453`)\n- Asset: USDC\n- Facilitator: Coinbase CDP (primary), PayAI (fallback)\n- Also reachable via [ATXP](https://atxp.ai) (OAuth-wrapped x402, RFC 9728 protected-resource metadata)\n\n## Part of klymax402\n\n100 x402 micropayment APIs for AI agents -- one wallet, USDC on Base, zero signup.\n\n- Catalog: https://klymax402.com/llms.txt\n- Full API reference: https://klymax402.com/llms-full.txt\n- Live stats: https://klymax402.com/stats\n\n## License\n\nMIT\n",
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  "repo_slug": "br0ski777/token-ohlcv-x402",
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