Import your Bitfinex transaction history into dTax and calculate capital gains, income, and generate IRS Form 8949 — automatically.
CSV Format
Bitfinex Transaction History CSV
API Sync
CSV only
DeFi Support
CEX trades only
Auto-detect
Format detected automatically
Official Website
bitfinex.comLog in to Bitfinex at bitfinex.com and go to Reports.
Select 'Ledgers' and choose your date range.
Export as CSV and upload to dTax.
Sign up at getdtax.com (free — no credit card needed).
Go to Data Sources → Add Source → Upload CSV.
Upload your CSV file. The format is auto-detected.
dTax parses, classifies, and deduplicates all transactions.
Go to Tax → Calculate to generate your Form 8949 and Schedule D.
Bitfinex margin trading transactions appear in the Ledgers export. dTax processes these as standard trades.
Free plan: unlimited transaction imports. PRO ($49/year) unlocks all 13 cost basis methods and full report export.