Services

Bitrefill

Gift cards, phone top-ups, and eSIMs bought over an eCommerce MCP server, payable with x402 or L402 — no account, no card on file

• gift-cards
• esim
• crypto
• +4 more
• +3 more

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

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

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

L402

HTTP 402 payment standard over Lightning — macaroon-based credentials for pay-per-request access, with the Aperture reverse proxy as reference implementation

• l402
• lightning
• bitcoin
• +4 more
• +3 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

Tempo

Payments-focused L1 built for machine payments, co-author of MPP and home of the MPP service directory

• mpp
• payments
• stablecoin
• +3 more
• +2 more