On-chain verification at the exact block timestamp. Connect your accounts, and Glide calculates the rest.
We use the IRS-recognized fair market value method, pricing both sides of every swap at the on chain block timestamp. You connect. We calculate.
Cost basis errors don't cancel out. They create risk, whether you overestimate or underestimate.

A $62 cost basis difference on a single trade might seem minor. Multiply it across your trading history.
Based on a $62 average difference per trade between snapshot pricing and exact block timestamp pricing.
Illustrative example. Actual differences vary based on asset, market conditions, and methodology selected.
From sign up to tax ready reports in minutes.

Paste your API key or upload a CSV. Glide handles the formatting, the parsing, and the edge cases.
Enter your wallet address. Glide scans every on chain transaction automatically. Swaps, staking, bridging, all of it.
Capital gains, income, and losses. Categorized by year, ready to export. Every number traceable to its source.
For up to 10,000 transactions.
Use our Guided Mode to identify and calculate your taxes.
Connect once and we pull everything. CEX trades, on chain swaps, DeFi activity. All in one place.

No hidden fees. No surprise upsells. Pick your tier, connect your exchanges, and you're done.