Payments

Coinbase Developer Platform

Server wallets, AgentKit, and the public x402 facilitator agents use to sign and settle stablecoin payments

• wallets
• x402
• facilitator
• +3 more
• +2 more

x402

Open HTTP 402 standard for per-request stablecoin payments, now at v2 and governed by the x402 Foundation

• x402
• payments
• stablecoin
• +3 more
• +2 more

Agent Payments Protocol (AP2)

Open protocol using signed mandates so agents can transact within user-defined limits, with x402 and card rails

• ap2
• mandates
• protocol
• +3 more
• +2 more

ATXP

Agent payments platform wrapping x402 wallets, per-call billing, and a hosted tool marketplace agents can spend against

• x402
• agent-wallet
• monetization
• +3 more
• +2 more

Circle

USDC issuance, programmable wallets, and Circle Payments for agent-to-agent settlement

• usdc
• stablecoin
• wallets
• +2 more
• +1 more

Crossmint

Agent wallets, on-ramps, and headless checkout across stablecoin (x402) and card rails

• agent-wallets
• x402
• checkout
• +3 more
• +2 more

Fewsats

Wallet and MCP server that lets an agent pay L402 and x402 paywalls without a human in the loop

• l402
• x402
• agent-wallet
• +3 more
• +2 more

Nevermined

Metering, authorization, and settlement for agent APIs, including an x402 facilitator and credit-based plans

• monetization
• metering
• x402
• +3 more
• +2 more

Skyfire

KYA agent identity plus wallets and pay-per-call settlement so services can charge unknown agents safely

• agent-identity
• kya
• wallets
• +3 more
• +2 more

Zuplo

API gateway that puts an x402 or key-based paywall in front of any endpoint agents call

• api-gateway
• monetization
• x402
• +3 more
• +2 more