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Entropyindex

Entropyindex is an x402-native service at https://www.entropyindex.com, 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. 8 endpoints listed.

Base

Offers

OfferEndpointPrice
Crypto Gate
Our Index hit Crisis mode by March 2008 — 6 months before Lehman. Chip gap Watch 19 months before 2021 auto-production trough. Structural vol before the candles widen the grid. Grid regime hints — poll while in. Check $0.07. Not a trade signal.
/m/bz-www-entropyindex-com/api/v1/crypto/gate0.07 USDC
Risk Bitcoin
GET this before you size: pre-action regime clock for geopolitical and country-risk context on a country, chokepoint, or crypto (Taiwan, Hormuz, Bitcoin). Cheap probe; $5 clock before size. Sealed structural-stress with attestation — not trade signals.
/m/bz-www-entropyindex-com/api/v1/risk/bitcoin0.07 USDC
Risk China
Risk Pulse: China — Returns a heat check before you size — or poll again while in. Countries, chokepoints, and crypto (Taiwan, Hormuz, Bitcoin) plus perp context (funding flip, rekt guard, tape vs structure). $0.25. Is anything hot? Not a trade signal.
/m/bz-www-entropyindex-com/api/v1/risk/china0.25 USDC
Risk Funding Flip Alert Context
GET this before you size: pre-action regime clock for geopolitical and country-risk context on a country, chokepoint, or crypto (Taiwan, Hormuz, Bitcoin). Cheap probe; $5 clock before size. Sealed structural-stress with attestation — not trade signals.
/m/bz-www-entropyindex-com/api/v1/risk/funding-flip-alert-context0.07 USDC
Risk Gibraltar
GET this before you size: pre-action regime clock for geopolitical and country-risk context on a country, chokepoint, or crypto (Taiwan, Hormuz, Bitcoin). Cheap probe; $5 clock before size. Sealed structural-stress with attestation — not trade signals.
/m/bz-www-entropyindex-com/api/v1/risk/gibraltar0.07 USDC
Risk Rekt Guard Context
GET this before you size: pre-action regime clock for geopolitical and country-risk context on a country, chokepoint, or crypto (Taiwan, Hormuz, Bitcoin). Cheap probe; $5 clock before size. Sealed structural-stress with attestation — not trade signals.
/m/bz-www-entropyindex-com/api/v1/risk/rekt-guard-context0.07 USDC
Risk United States
Risk Pulse: United States — Returns a heat check before you size — or poll again while in. Countries, chokepoints, and crypto (Taiwan, Hormuz, Bitcoin) plus perp context (funding flip, rekt guard, tape vs structure). $0.25. Is anything hot? Not a trade signal.
/m/bz-www-entropyindex-com/api/v1/risk/united-states0.25 USDC
Risk Vol Expansion Context
Risk Pulse: Vol expansion context — Returns a heat check before you size — or poll again while in. Countries, chokepoints, and crypto (Taiwan, Hormuz, Bitcoin) plus perp context (funding flip, rekt guard, tape vs structure). $0.25. Is anything hot? Not a trade signal.
/m/bz-www-entropyindex-com/api/v1/risk/vol-expansion-context0.25 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-www-entropyindex-com/api/v1/crypto/gate')
// 402 challenge signed and settled automatically; response includes Payment-Receipt

Or inspect the challenge yourself:

curl -i https://api.meshgateway.co/m/bz-www-entropyindex-com/api/v1/crypto/gate
# HTTP/1.1 402 Payment Required
# WWW-Authenticate: Payment id="…", method="evm", intent="charge", …