The top x402 projects, ranked by prominence — TVL, market cap, funding, and on-chain activity.
pieverse
AI agents that move money on your terms
pieverse
AI agents that move money on your terms
Meridian
Universal payment rails for AI agents.
Thirdfy
First liquidity hub for AI agents on Base
Quack AI
AI protocol for on-chain governance
PayAI Network
AI-powered cross-chain payment infrastructure
Anyspend
Crypto pay solution
Onchain
Intelligent intermediary layer for x402 payments
Keyless
Biometric authentication and personal identity management platform
Hetu Protocol
AI-Native Monetary Stack
b402
Payment infrastructure built on the BNB Chain
Vend.Money
Stablecoin yield protocol based on x402
Harmonic Protocol
x402 transaction protocol
x402scan
x402 ecosystem browser
402rush.fun
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rpc x402
Pay-per-call RPC based on the x402 protocol
AurraCloud
AI Agent Platform
Aven
x402 agent
FluxA
AI agent payment protocols
AgentPay
Stablecoin payment system
SniperX
x402 super AI agent