For YC Founders
Launch Payments in Days,
Not Months
Credits, priority onboarding, and a shared Slack channel with Modern Treasury for every YC company.
Onboarding
Priority queue
YC Credits
Credit Balance
$20,000.00
- Program
- Current Batch
- Term
- 12 Months
- Pricing
- Usage-based
Shared Slack Channel
#mt-yourcompany
The YC Deal
Build Now and Pay as You Grow
Current Batch
$20,000in credits for 12 months.
- Usage-based pricing, no annual commitment
- Priority onboarding
- Shared Slack channel with our team
YC Alumni
$5,000in credits for 6 months.
- Usage-based pricing, no annual commitment
- Priority onboarding
- Shared Slack channel with our team
What You’re Building On
One API for ACH, RTP, FedNow, wire, checks, push-to-card, and stablecoins. Sub-accounts, ledgering, and built-in KYC/KYB/AML. Usage-based pricing, so your bill grows with your volume and not before it.

Working with Modern Treasury allowed us to get up and running in days, not months. That speed let us stay focused on shipping a product that helps companies earn more on their cash, instead of spending unnecessary time in the weeds of payments infrastructure.
Sam Lushtak
Co-Founder and CEO, Palus Finance (YC)
From One YC Company to Another
We went through YC S18 and spent the batch building the first version of this API. We know how much of your runway a slow bank onboarding eats. Sponsor banks take months. We take days.*
Sponsor Banks
Takes months
- Bank diligenceIn Review
- Program agreementPending
- First paymentPending
Modern Treasury
Takes days
- Compliance reviewKYB Verified
- Account provisioningPosted
- First paymentPayment Sent
*All customers pass compliance and are underwritten for their use case. ACH debits may require reserve capital.
Tell Us What You’re Building.
Walk us through your flow of funds and start sending payments in days.