TaxBit Crypto Tax and Accounting API
TaxBit digital asset tax and accounting REST API for exchanges, institutional investors, and enterprises to automate cryptocurrency tax calculation, IRS information reporting, and digital asset accounting compliance. Enables AI agents to manage transaction ingestion from exchanges and wallets for crypto cost basis automation, handle capital gain and loss calculation using FIFO, LIFO, and HIFO methods for crypto tax optimization automation, access Form 1099-DA and 1099-B generation for IRS digital asset information reporting automation, retrieve cost basis lot management and tax lot matching for digital asset accounting automation, manage FIFO, specific identification, and highest-cost tax lot selection for tax optimization automation, handle NFT and DeFi transaction classification for emerging asset tax treatment automation, access IRS Schedule D and Form 8949 data export for tax filing preparation automation, retrieve B-notice and CP2100 matching for IRS backup withholding compliance automation, manage multi-entity and fund tax reporting for institutional investor tax operations automation, and integrate TaxBit with exchanges (Coinbase, Binance, Kraken), wallets, and accounting systems for end-to-end digital asset tax compliance.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
Crypto tax platform. SOC2. API key/OAuth2. US. Digital asset transaction, cost basis, and IRS reporting data.
⚡ Reliability
Best When
A crypto exchange, institutional investor, or enterprise wanting AI agents to automate IRS digital asset information reporting (1099-DA), cost basis calculation, tax lot optimization, and DeFi/NFT transaction classification within TaxBit's enterprise crypto tax platform.
Avoid When
IRS FORM 1099-DA BROKER DEFINITION SCOPE: IRS final regulations defining digital asset brokers subject to 1099-DA reporting are effective for 2025 tax year; automated 1099-DA generation via TaxBit must apply current IRS broker definition to determine reporting obligation; broker definition includes exchanges but DeFi protocol reporting obligation remains subject to ongoing regulatory guidance; automated reporting scope without current IRS guidance review creates over- or under-reporting. TAX ADVICE vs TAX COMPLIANCE DISTINCTION: TaxBit automates tax calculation and reporting but does not provide tax advice; automated crypto tax compliance workflows using TaxBit must have CPA or tax attorney review for complex transactions (staking rewards, hard forks, airdrop treatment, wash sale applicability); automated tax filing based solely on TaxBit output without professional review creates potential tax liability from incorrect transaction classification. COST BASIS TRACKING METHOD CONSISTENCY: IRS requires consistent cost basis accounting method election within tax year; automated cost basis method switching (FIFO to HIFO) mid-year via TaxBit creates IRS-inconsistent cost basis that requires amendment; establish and lock tax lot selection method before automated tax season processing.
Use Cases
- • Generating 1099-DA forms from crypto exchange tax reporting agents
- • Calculating cost basis from institutional crypto accounting agents
- • Classifying DeFi transactions from digital asset tax agents
- • Optimizing tax lots from crypto portfolio tax management agents
Not For
- • Traditional securities tax reporting (use Broadridge or Donnelley Financial)
- • International crypto tax reporting outside IRS framework (use Koinly or CoinTracking)
- • Real-time crypto trading (use exchange APIs directly)
Interface
Authentication
TaxBit uses API key and OAuth 2.0 authentication. REST API with JSON. Salt Lake City, Utah HQ. Founded 2018 by Austin Woodward, Justin Woodward, and Josh Rosenthal. Private (~$230M raised, Tiger Global, Paradigm, Haun Ventures). Enterprise platform for exchanges (Coinbase, FTX was customer, Binance.US) and institutional investors. IRS-compliant calculation engine. 1099-DA reporting ready. NFT and DeFi transaction classification. Competes with Koinly, CoinTracker, and Cryptio for digital asset tax compliance.
Pricing
Salt Lake City UT. Private (~$230M raised). Enterprise API subscription. Per-transaction and per-form pricing. No enterprise free tier.
Agent Metadata
Known Gotchas
- ⚠ IRS 1099-DA EFFECTIVE DATE AND REGULATORY TRANSITION: IRS Form 1099-DA is effective for 2025 tax year reporting; automated 1099 reporting via TaxBit must apply 1099-DA framework for 2025+ and legacy 1099-B framework for prior years; automated reporting using wrong form type for tax year creates IRS information return filing error and potential backup withholding
- ⚠ DEFI TRANSACTION CLASSIFICATION MANUAL REVIEW REQUIREMENT: DeFi protocol interactions (liquidity provision, yield farming, governance token rewards) have unsettled IRS tax treatment; automated DeFi transaction classification via TaxBit may apply default treatment that differs from IRS audit position; automated DeFi tax reporting without CPA review of classification methodology creates tax liability risk from incorrect DeFi treatment
- ⚠ TRANSACTION INGESTION COMPLETENESS FOR COST BASIS ACCURACY: TaxBit cost basis accuracy depends on complete transaction history from wallet inception; automated ingestion of partial transaction history creates incorrect cost basis due to missing acquisition transactions; implement full historical transaction ingestion before automated cost basis calculation; incomplete history creates missing basis (treated as zero cost basis) and overstated capital gains
- ⚠ FTX CUSTOMER LOSS TAX TREATMENT COMPLEXITY: Former FTX customers represent complex tax scenarios (theft loss, worthless security, bad debt); automated tax calculation for exchange insolvency scenarios via TaxBit must apply manual review for extraordinary loss events; automated reporting using standard sale treatment for FTX loss creates incorrect tax characterization
- ⚠ TAX YEAR CLOSE PROCESSING WINDOW FOR EXCHANGES: Exchange 1099 deadline is January 31; automated 1099-DA generation for large transaction volumes must be initiated in December to ensure processing completion before deadline; automated batch tax calculation for high-volume exchange customers requires processing timeline estimation before year-end to avoid deadline miss
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Scores are editorial opinions as of 2026-03-07.