Testnet now live on Sepolia. Start building with KiroPay.
Testnet now live on Sepolia

The UniversalAgent Paymaster

Payment infrastructure for the AI Agent economy. Enable your agents to transact autonomously across x402, MPP, and fiat rails with one unified middleware layer.

Agent Transactions
T
R
P
+9
All Agents
Agent
Protocol
Amount
Status
Yield Impact
T
Trading Bot Alpha0x1a2b...4f
x402
0.050 USDC
Completed
+12.5%
R
Research Agent0x3c4d...7a
MPP
2.450 USDC
Active
+8.3%
P
Procurement Bot0x5e6f...9b
Fiat
150.00 USD
Pending
0%
A
Analytics Agent0x7g8h...2d
x402
0.015 USDC
Completed
+23.1%
C
Customer Service AI0x9i0j...5e
MPP
1.200 USDC
Active
-2.4%
D
Data Pipeline Bot0x1k2l...8f
Web3
0.008 ETH
Failed
N/A
I
Inventory Agent0x3m4n...1g
x402
0.025 USDC
Completed
+5.7%
C
Compliance Bot0x5o6p...3h
Fiat
75.00 USD
Pending
+1.2%

One integration.All protocols.

Agents transact everywhere. Route payments through x402, MPP, and fiat with a single SDK. No more fragmented payment rails.

x402 + MPP + Fiat
Universal→Payment Router

Universal payment routing

Agents transact everywhere. KiroPay resolves the interoperability crisis with unified middleware for x402, MPP, and fiat rails.

◌Protocol✓ Routed

x402 Payment

API Call

Spot payment for single API call

◌Strategy✓ Applied

Yield Optimization

Treasury

Idle funds earning 4.2% APY

◌Policy✓ Enforced

Spending Limit

Governance

Monthly cap: $1,000 USDC

◌Protocol

MPP Stream

Session

Streaming payment active

x402
MPP
+
Multi-protocol routing
Yield-bearing treasury
On-chain policy enforcement
Agent SDK (Python/JS/Rust)
Smart Account (ERC-4337)
Fiat gateway integration

Smart routing

Intelligent protocol selection based on transaction size, counterparty capabilities, and gas optimization. Route to x402 for spot payments, MPP for streaming, or fiat as needed.

✦Payment received
✦Detect payment protocol
Router
Which protocol does the destination support?
✧x402 supported, routing via HTTP 402
✦Execute payment
Router
Processing x402 payment transaction
✧Transaction confirmed: 0.005 USDC
✦Optimize treasury
Router
Move idle funds to yield strategy?
✧Deposited to Aave: earning 4.2% APY
$
Agent Wallet
Balance1,250 USDC
In Yield5,000 USDC
Current APY4.2%
Policy$1K/mo limit
Protocols
x402MPP
StatusActive

Multi-protocol support

Connect to x402 for API calls, MPP for streaming services, Web3 for decentralized apps, and fiat gateways for traditional payments. All through one SDK.

x402
MPP
Fiat Gateway
Web3 Direct
USDC
USDT
402
MPP
Web3
API
Pay
SDK
+x402
Active
2,868 transactions
+MPP
Active
1,245 transactions
+Fiat
Active
856 transactions

Yield-bearing treasury

Agent funds never sit idle. Automatically optimize capital through conservative DeFi strategies (Aave, Compound) while maintaining liquidity for instant payments.

7D30D3M6M12MAll
PrincipalYieldTotal
$ 6.0%$ 5.0%$ 4.0%$ 3.0%$ 2.0%$ 1.0%$ 0%
JulAugSep
Current APY
TimeSeptember 2026
Rate4.2%
Yield Earned
APY
Total Balance
Utilization
Protocol Fees