Public Launchx402 + XMCP + TAP (Visa) + Solana

Build autonomous, verifiable agents on Solana

x402 payments + XMCP tools + TAP (Visa, RFC 9421) signatures. Verifiable receipts and checkpoints prove what your agent did and paid for—on Solana devnet with generic SPL support (incl. CASH).

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Visa
x402
PayAI
Model Context Protocol (XMCP)

x402 Gateway

Payment-gated gateway for Solana devnet (PayAI Facilitator). Optional XMCP paid tools via /mcp/execute.

Autonomous & Verifiable

TAP (Visa) signed HTTP requests with x402 commitments. Verifiable receipts and checkpoints that prove agent actions and spend.

Wallets & SPL

Solana devnet signing (keypair/private key) and generic SPL support including CASH — with receipts for visibility.