River
Bitcoin Accounting

River + Clams

CSV

River is a Bitcoin-only exchange with recurring buys and zero-fee withdrawals. River is a first-class connection kind in Clams. Import your Account Activity CSV directly without any custom mapping. Your purchase prices become accurate cost basis for capital gains calculations.

What Clams tracks

  • Bitcoin purchases with exact cost basis
  • Sell transactions and proceeds
  • Timestamps for all transactions
  • Fees and transaction costs
  • Withdrawals to external wallets
  • Auto categorizing of transfers to your other connected wallets

How it works

01

Export from River

In your River account, download your Account Activity CSV. River offers two exports. Use Account Activity, as it includes both fiat and bitcoin transactions and is the format Clams supports.

02

Register connection in Clams

Create a River connection with the Clams CLI.

$ clams connections create --label my-river --kind River
03

Import CSV

Import your exported CSV file.

$ clams connections import --label my-river --input-format csv --file Account_Activity.csv
04

Generate journal entries

Process your imported transactions into accounting journals with the command below.

$ clams journals process

Frequently asked questions

What data does Clams import from River?

Clams imports your buy and sell history from River including purchase amounts, prices paid, timestamps, and fees. This gives you accurate cost basis for capital gains calculations.

Does Clams access my River account?

No. CSV import is completely offline. You export your transaction history from River and import the file into Clams. No connection to your River account is required.

Can I track multiple River accounts?

Yes. Import each River account's CSV separately in Clams. Each gets independent tracking and reporting.

Does Clams track my purchase price from River?

Yes. The River CSV export includes purchase prices. Clams uses this to calculate accurate cost basis for your Bitcoin. When you later sell or spend, capital gains are calculated correctly.

How do I get capital gains reports from my River transactions?

Export your transaction history from River as CSV and import into Clams. Clams uses your purchase prices to calculate cost basis. Export capital gains reports for tax preparation from the Exports widget.

Start tracking your River purchases

Install Clams and import your transaction history in minutes.