Put your idle cash to work
Earn 4.08% yield by investing in TSTXX , a BlackRock money market fund invested in short-term U.S. Treasury obligations and U.S. government securities.

Only balances over $500k are eligible to earn yield. Accounts with more than $500k earn a 4.08% annualized yield, while those with $500k or less are not eligible.
Competitive yield for modern businesses
Earn a competitive return on idle funds.
Backed by U.S. Treasuries
Invest in a BlackRock government money market fund that holds U.S. Treasury bills and other government-backed assets.
Seamless, on-platform experience
Move funds in and out of Treasury quickly from your Slash dashboard. No separate logins, ACH delays, or learning curves.
Liquidity when you need it
Withdrawals typically settle in 1 business day, so your capital can be in reach when it matters most.
Love that Slash gives access to higher yield than Brex. That, the superior rewards, and simple UI made making the switch extremely easy.


Alvaro Rivera, Codes Health
Built for founders who think like CFOs
4.08%
Industry-Leading Yield, Zero Hidden Fees
Earn a 4.08% annualized yield with no fees, markups, or minimums. 100% of the yield goes back to you.
Slash Simplicity, BlackRock Reliability
Funds managed by BlackRock and your Treasury balance automatically invested, it’s built to minimize risk and preserve liquidity.
One-Click Capital Allocation
Easily move excess cash into Treasury with a single click — perfect for managing recent fundraising, parking capital between big purchases, or conservatively growing your war chest.
The complete financial platform
Working capital
Flexible term loans designed to bolster your growth.
Corporate card
2% cashback cards featuring smart built-in controls.
Stablecoin payments
Send and receive USDC and USDT from your Slash dashboard.
Transparent pricing with features tailored to your business
Free
$0/month
Full-featured banking essentials with no strings attached.
Start for freePro
$25/month
Scale your business with advanced industry-specific capabilities.
Get started
Frequently asked questions
Don’t see the answer you’re looking for? Get in touch.