PayAI
Universal facilitator supporting all EVM + Solana networks
4.5 (67 reviews)
Universal x402 facilitator supporting all major EVM and non-EVM networks including Solana, with AI-optimized payment flows.
Key Metrics
0.2%
Fee3 seconds
Settlement5+
Networks$0.001
Min PaymentLaunched
9/5/2025
Uptime
99.92%
Monthly Volume
$5.7M
Quick Facts & Features
Quick Facts
Fee Structure
0.2%
Settlement Time
3 seconds
Payment Range
$0.001 - $1,000,000
Authentication
Integration Difficulty
Est. Integration Time
12 minutes
Features & Capabilities
Network Support
| Network | Chain ID | Native USDC | Est. Gas Cost | Status |
|---|---|---|---|---|
Ethereum | 1 | Yes | $5-20 | Supported |
Base | 8453 | Yes | $0.0001 | Supported |
Solana | N/A | Yes | $0.0005 | Supported |
Polygon | 137 | Yes | $0.001 | Supported |
Arbitrum | 42161 | Yes | $0.10 | Supported |
Available SDKs
TypeScript
@payai/x402-sdk
Version 3.0.2Python
payai-x402
Version 2.1.1Rust
payai-x402-rs
Version 1.2.0Integration Guide
Universal x402 payments across all major blockchain networks
Estimated Time: 12 minutes
Get API Key
Sign up and get universal network access
// Register at: https://payai.network/register // Get universal API key with all network access
Install SDK
Initialize Client
AI-Optimized Payment
Handle Settlement
Last stepAdditional Resources
Compare with Others
See how PayAI compares to other x402 facilitators
Direct Comparisons
PayAI vs thirdweb
Advantages
Solana support
AI optimization
Universal coverage
Lower fees (0.2% vs 0.1-0.5%)
Disadvantages
Newer platform
3s settlement vs instant
Best for:
Not ideal for:
Other Facilitators to Consider
xpay✦ Facilitator
Non-custodial, zero-fee x402 facilitator with gas-sponsored settlement on BaseFee:
0%
Networks:
2+
Settlement:
Sub-second
CDP Facilitator
Official Coinbase facilitator with zero fees on BaseFee:
0%
Networks:
2+
Settlement:
Instant
thirdweb
Multi-chain facilitator supporting 170+ networksFee:
Variable
Networks:
5+
Settlement:
Instant
Reviews & Community
What the community says about PayAI
4.5
Based on 67 reviews
Rating Distribution
5★
404★
173★
72★
21★
1Recent Reviews
Solana Builder
10/28/2025Finally, a facilitator that properly supports Solana! The AI routing is impressive.
Cross-chain Dev
10/26/2025Great universal coverage. The AI optimization saved us significant gas costs.
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