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Ethereum Context (eth.context)
Where Ether stands in the market: its price and its global 24 hour trading volume, with that volume's 30 day z score (CoinGecko); its distance from the 200 day average (PreReason's calculation on CoinGecko's daily closes); Lido's stETH APR, its 7 day average; the net positions of leveraged funds and asset managers in CME Ether futures, with open interest (the CFTC's weekly Commitments of Traders); and the funding rate on OKX's ETH perpetual (one venue, named as OKX's).
Tier: basic | 9 metrics
Metrics included: ethereum-price , ethereum-volume-24h , eth-staking-apr , eth-200d-distance , ethereum-volume-zscore-30d , cot-eth-cme-leveraged-funds-net , cot-eth-cme-asset-manager-net , cot-eth-cme-open-interest , okx-eth-funding-rate
API: GET /api/context?briefing=eth.context
Format options: ?format=markdown (default) or ?format=json
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PreReason - Market Context API
Financial context your AI actually understands. PreReason delivers pre-reasoned financial intelligence for AI agents and developers. Bitcoin on-chain metrics, macro indicators, cross-asset correlations, trend direction, and confidence scores in one structured API response.
Key Features
One Call, Full Picture — Bitcoin, macro, mining, liquidity from 6+ sources with trends, confidence scores, and percentile ranks.Markdown or JSON : the same briefing in either format from one call, every figure dated and its sources named.Agent-Ready — REST API, MCP server, llms.txt. Works with Claude Desktop, Claude Code, Cursor, Windsurf. Install: npx @prereason/mcp
25 Market Briefings
Free (6): btc.quick-check, btc.context, btc.pulse, btc.grid-stress, macro.snapshot, cross.correlations
Basic (9): btc.momentum, macro.liquidity, btc.on-chain, cross.breadth, btc.miner-survival, btc.etf-flows, macro.auctions, bonds.context, eth.context
Pro (10): btc.full, btc.factors, cross.regime, fx.liquidity, btc.energy, btc.treasury, macro.rates, cross.ai-compute, commodities.energy-basket, bonds.full
Pricing
Free : up to 100 calls a day, no more than 30 in an hour, 6 briefings, 30-day rolling data, the 17 Bitcoin metrics in full and the latest reading of every other metric. No credit card. (Changed 1 October 2026, from 60 an hour and 500 a day; free accounts active in the week before keep those until further notice.)Basic : $19.99/mo, the founding price for the first 250 subscribers, $50 a month for everyone after. Limits: up to 7,000 calls a day, no more than 500 in an hour, 15 briefings, all 224 metrics in full, up to 3 years of history, Bitcoin from Jan 2025.Pro : $49.99/mo, the founding price for the first 100 subscribers, $150 a month for everyone after. Limits: up to 35,000 calls a day, no more than 2,000 in an hour, all 25 briefings, all 224 metrics in full, full historical data.Enterprise : everything in Pro, custom connections, custom briefings, a redistribution licence, uptime and support terms, an IP allow list on each key, limits above Pro set for each key. Price and terms agreed with you.
Founding prices: $19.99 a month on Basic for the first 250 subscribers and $49.99 a month on Pro for the first 100, kept while you stay subscribed.
Quick Start
API: curl -H "X-API-Key: YOUR_KEY" https://api.prereason.com/api/btc
MCP: npx -y @prereason/mcp
Remote MCP: https://api.prereason.com/api/mcp
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