Phoenix-ai

Phoenix-ai is an x402-native service at https://rtt.phoenix-ai.work, indexed from the x402 Bazaar (Coinbase's public discovery directory). It charges callers itself in USDC on Base and is paid directly at its own wallet; Monex Protocol passes your request and payment headers through untouched. 2 endpoints listed.

Base

Offers

Offer	Endpoint	Price
V1 Health Real-time L2 sequencer health across 12 chains (Base, Arbitrum, Optimism, zkSync, Blast, Linea, Mantle, Mode, Scroll, Taiko, Polygon zkEVM, Casper). Returns kernel-level P99/P95 RTT from eBPF probes, revert ratios, gas pressure, and execution recommendation.	`/m/bz-rtt-phoenix-ai-work/api/v1/health`	0.01 USDC
V1 Safe Boolean pre-flight check for L2 transaction safety. Returns safe=true/false with reason code. Optimized for high-frequency agent calls before submitting transactions.	`/m/bz-rtt-phoenix-ai-work/api/v1/safe`	0.01 USDC

Machine-readable: openapi.json with x-payment-info offers.

Try it live

Run the full MPP flow from your browser: catch the 402, sign the payment with your wallet, and watch it settle on-chain.

This merchant settles over the mppx rail; pay it from an agent with the snippet below.

Pay with an agent

Any MPP or x402-compatible client works. With mppx, payment is automatic:

import { Mppx, evm } from 'mppx/client'
import { privateKeyToAccount } from 'viem/accounts'

const mppx = Mppx.create({
  methods: [evm({
    account: privateKeyToAccount(process.env.KEY),
    currencies: [evm.assets.base.USDC],
  })],
})

const res = await mppx.fetch('https://api.meshgateway.co/m/bz-rtt-phoenix-ai-work/api/v1/health')
// 402 challenge signed and settled automatically; response includes Payment-Receipt

Or inspect the challenge yourself:

curl -i https://api.meshgateway.co/m/bz-rtt-phoenix-ai-work/api/v1/health
# HTTP/1.1 402 Payment Required
# WWW-Authenticate: Payment id="…", method="evm", intent="charge", …