Facilitators
xEcho Facilitator
xEcho Facilitator implements on-chain settlement callbacks, enabling on-chain post-payment programmability to support pay-to-earn and outcome-based payment scenarios.
Embed this entry
[](https://eco.dexter.cash/facilitators/xecho-facilitator)Drop into any README to display a live card linking back to this entry.
Related in Facilitators
Dexter
Solana and Base x402 facilitator with an integrated marketplace and cross-chain bridge. Agents discover tools via MCP, pay via x402, and get results in one flow.
Nevermined Facilitator
Nevermined x402 Facilitator for AI agent payment verification and settlement on Base networks.
AutoIncentive Facilitator
Free, public x402 facilitator for Base and Solana. Full verify + settle flow with on-chain USDC transfers. No API keys required.
CDP Facilitator
Best-in-class x402 facilitator. Fee-free USDC settlement on Base Mainnet. KYT/OFAC checks on every transaction.
Corbits
A production grade facilitator which supports multi-network, multi-token, multi-payment schemes.
WorldFun Facilitator
AWE World.fun's x402 Facilitator enables fee-free EIP-3009 payments in USDC and other ERC-20 tokens, handling verification and settlement on Base so developers don't need blockchain infrastructure.