Base wallet score API / wallet reputation / address risk scoring / onchain walle...

Base wallet score API / wallet reputation / address risk scoring / onchain wallet intelligence / counterparty check. Returns a 0-100 activity score with letter grade, smart-wallet (ERC-4337) detection, ETH and USDC balances, recent USDC flow, and a user profile for any Base address. For AI agents, fraud screening, and KYC/counterparty checks.

https://base-intel-api.jakemaxsigal.workers.dev/wallet/score/:address

USE THIS RESOURCE

Start with a quote-only recipe. Payment signing stays in your project.

CODE

AI CODING TOOLS

quote-check.ts

const response = await fetch("https://base-intel-api.jakemaxsigal.workers.dev/wallet/score/:address", {
  method: "GET",
});

console.log(response.status);
console.log(Object.fromEntries(response.headers));
console.log((await response.text()).slice(0, 1000));

// A valid 402 is a quote, not a completed paid call.

This sends no payment. Inspect the 402 response before adding a wallet-enabled client.

JSON ↗developer docs →

STATUS HISTORY

JSON RSS

Exact route checked2026-07-10 15:05 UTC
not safely testable · unresolved-url-template
Origin reachable2026-07-10 15:03 UTC
HEAD https://base-intel-api.jakemaxsigal.workers.dev/ returned 200.
Observed in cdp-bazaar2026-07-10 13:31 UTC
The registry record was observed and retained with provenance.
Observed in 402-index2026-07-10 13:31 UTC
Discovered through bazaar.
Registry record checked2026-07-08 00:09 UTC
Registry health: healthy.

EVIDENCE

cdp-bazaarobserved 2026-07-10 · https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources

402-indexobserved 2026-07-10 · https://402index.io/api/v1/services

origin checkHEAD https://base-intel-api.jakemaxsigal.workers.dev/ → 200 on 2026-07-10

route quotenot invoked automatically · unresolved-url-template · 2026-07-10

Each record has an exact-route quote outcome. Unresolved templates and potentially mutating methods are labeled instead of being invoked without provider-specific test input. A quote is still separate from a settled paid call.

PAYMENT OPTIONS

baseexact0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913