Facilitator and Chains
The Dexter facilitator at https://x402.dexter.cash handles verification, fee sponsorship, and on-chain settlement for x402 payments across Solana and six EVM chains.
In This Section
Partner Quickstart
Fastest path for validating chain support and settlement.
Supported Networks
Full CAIP-2 network matrix with status and chain notes.
Solana
Primary SVM payment path with fee sponsorship.
Base
Default EVM path — lowest fees, strongest integration.
SKALE
Zero-gas EVM chain for high-frequency payments.
Sponsor Policy
Concrete policy rules: allowed programs, compute caps, asset allowlist, minimums.
Troubleshooting
Diagnose setup issues, policy rejections, and settlement failures.
GET /supported
Query the live capability matrix.
POST /verify
Validate payment payloads before settlement.
POST /settle
Submit payments for on-chain execution.
Supported chains
Solana, Base, and SKALE have dedicated pages. All other EVM chains are covered in the network matrix.
