Fill-level tax recomputation for Hyperliquid traders
Stage
Startup
Startup
Founded
2026
2026
Based in
ES
Not given
Pricing model
Freemium
Freemium
Pricing
Free plan available. Pro: $29/month or $290/year. Max: $99/month or $990/year. Ultra: $399/month or $3,990/year. Pay-per-call: $0.005 per call in USDC on Base.
Free tax check available; full reports priced by fill count, paid in USDC on Arbitrum, Base or Ethereum. Reports start from $29.
Key features
150+ measurement columns per pair
Live order-book and trade data from 9 major exchanges
REST API, MCP connector and CLI access
Pay-per-call via x402 protocol for agents
Dashboard for visualizing market data
Historical data windows from 2 weeks to 1 year
Fill-by-fill recomputation of realized PnL, funding events, and signed fees
Full trading history reconstruction from independent chain indexer
Two-axis independent verification system
Sub-account and linked wallet support
Reconciliation against venue's official curve with measured disagreement disclosure
Cost basis calculation with FIFO and weighted average methods
Exchange-carried basis import from Kraken and Coinbase
Public data analysis with no sign-up or key upload
What makes it different
Same raw market measurements across all major exchanges, lined up on one clock
Pay-per-call option with no account, API key or subscription required
Full universe of 14,000+ pairs with nothing filtered out
Measurements only, not trade signals or recommendations
Agents can connect via Model Context Protocol to Claude and Cursor
Reconstructs complete trading history from chain data, not limited to venue API's ~30-hour window
Prints venue data disagreements rather than hiding them
Every number is re-derivable and reproducible from public venue data
Handles complex account types other tools miss or miscalculate
BlackForge
Basisproof