Best x402 Infrastructure & Facilitators for AI Agents (15 listed)

Facilitators, relays, and settlement infrastructure that keep x402 payments moving.

• AgentWire — AgentWire service card for webhook inbox relay and web fetch infrastructure.

  $0.001/request on base

• BlackSwan — Real-time risk intelligence infrastructure for autonomous AI agents.

  $0.03/request on base

• BlockRun — The routing & payment layer for AI — 14M+ on-chain transactions.

  $0.0085/request on base

• BotPay — AI Agent Payment Network and x402 Infrastructure — BotPay provides payment access, API discovery, automated service delivery, and settlement infrastructure for AI agents, applications.

  $0.1/request on base

• CodeNut Payment Solution — CodeNut Payment Solution.

  $10/request on base

• Mercer x402 (hub probe) — Settlement canary: returns a timestamped pong JSON after USDC micropayment.

  $0.001/request on base

• MERX - TRON Payment Infrastructure for AI Agents — TRON payment infrastructure for AI agents.

  $0.01/request on base

• NodeFlare — Base RPC (chain 8453): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes.

  $0.001/request on base

• Oblique Markets — Use when an agent needs a trusted UTC timestamp or the smallest end-to-end test of its x402 payment client.

  $0.01/request on base

• OnRamperX — OnRamperX is a non-custodial value router for agents and humans: fiat<->crypto and cross-chain via one quote interface (Coinbase Onramp v2.

  $0.005/request on base

• Riddle Oracle — Pay a micro-fee in USDC on Base mainnet to receive a riddle and its answer.

  $0.002/request on base

• TraBot Pearl Intel — Hero SKU: Pearl Research L1 telemetry (pearld RPC, community nodes, poll history).

  $0.04/request on base

• x402 Facilitator • Dexter — The Dexter x402 Facilitator is publicly available for any developer to integrate.

  $0.01/request on solana

• x402-secure - t54.ai — x402-secure is the trust layer for x402 ecosystem.

  $0.01/request on base

• Xona Agent | Infrastructure for Agentic Commerce — Build AI agents that earn on Orbit.

  $0.05/request on solana