'''ACH Transfer''', or Automated Clearing House transfer, is a payment method introduced in Bisq v1.8.0. It is primarily used for domestic, low-value payments between participating financial institutions in the United States. Along with [[Domestic_Wire_Transfer|domestic wire transfers]], ACH is one of the two primary bank transfer methods used in the US. == Quick Facts == * '''Supported Countries:''' United States only. * '''Supported Currencies:''' USD only. * '''Maximum Trade Duration:''' 5 days (though most complete within 1–2 business days). * '''Trade Limits:''' {{MaxTradeSizeBisq1}}. * '''Account Signing:''' Not required.
'''SECURITY WARNING: Never confirm micro-deposits for a Bisq trade.''' Some banks verify external accounts using micro-deposits (small transfers of a few cents). If a trade partner initiates micro-deposits, they are likely attempting to "link" your account to theirs. In the ACH system, a linked account may allow the other party to '''debit (withdraw)''' funds from your account without further authorization. * '''Sellers:''' If you receive micro-deposits, do not verify the amounts for the buyer. * '''Buyers:''' Do not use "Direct Deposit" setup methods; use standard "Third-Party Transfer" or "Bill Pay" features.
== Account Setup & Limits == === Is my bank compatible? === Not all banks offer third-party ACH transfers. Many banks only allow ACH transfers to other accounts '''you own'''. Before trading, verify that your bank supports "Third-Party ACH Transfers" or "External Transfers" to individuals. If your bank insists on micro-deposit verification, it is likely not a true third-party transfer service. === Fees and Limits === * '''Fees:''' Usually low-cost or free, but some banks charge for "Same Day ACH" or expedited delivery. Always check your bank's fee schedule. * '''Transfer Limits:''' Your bank likely has daily or monthly "External Transfer" limits. Ensure these limits accommodate your Bisq trade size before opening an offer. == Adding ACH Transfer to Bisq == To add your ACH account to Bisq: # Head to the top menu and select '''Account'''. # Choose '''National Currency Accounts'''. # Click on '''Add new account'''. # Select '''ACH'''. # Fill in the necessary details (Routing Number, Account Number, etc.). # '''Account Name:''' You can set a custom name (e.g., "ACH - Chase - Jane Doe") to help you stay organized. This name is only visible to you. # Click '''Save new account'''. '''Note:''' Ensure all details are accurate. Sellers can only confirm payment if the name associated with the incoming ACH transfer matches the account name listed in Bisq. == How to Trade with ACH == === Buying BTC === # Make or take an offer on the USD market. # Once the trade is confirmed, Bisq will provide the seller's ACH details. # Send the payment through your bank's portal immediately. # '''Payment Reference:''' Leave this '''blank'''. If your bank requires one, only use your name. Never mention "Bisq," "Bitcoin," or "Crypto." # Click '''Payment Started''' in Bisq. === Selling BTC === # Make or take an offer to sell BTC on the USD market. # After confirmation, Bisq will provide the buyer with your ACH details. # Wait for the buyer to send the payment and click "Payment Started." # '''Verify the funds:''' Once the funds arrive in your bank account, click '''Confirm Payment Received''' to release the BTC. # '''Security Note:''' If you receive small "micro-deposits" instead of the full trade amount, '''do not''' communicate those amounts to the buyer. == Dispute Resolution == If a dispute occurs, the mediator may ask the buyer to provide proof of payment (e.g., a PDF receipt) showing the correct amount and recipient details. The mediator may also ask the seller for a redacted statement to prove their account details or to show that a payment was not received. For more information, see [[dispute resolution]].