resources/walcert/POST /v1/certificates/activity
POSTorigin + 2 sourcesqualified signals

https://walcert.globalscoreagent.com/v1/certificates/activityPOST /v1/certificates/activity · x402 API by walcert

Grade 15-day wallet activity (counterparties, HHI, velocity, bot-like) A-F before you transact. POST wallet_address; signed certificate. $0.05 USDC.

https://walcert.globalscoreagent.com/v1/certificates/activity

What does this x402 API do?

https://walcert.globalscoreagent.com/v1/certificates/activity. This is an x402-gated POST API resource from walcert. TOLL·402 did not invoke this route automatically because doing so was not considered safe. No normalized USD price is recorded; the listing names eip155:42220 and Base. No settled paid call has been verified.

Published price
No normalized USD price is recorded
Networks
eip155:42220 · Base
Latest evidence
TOLL·402 did not invoke this route automatically because doing so was not considered safe
Resource ID
c660f4e735420942a4c657ab
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://walcert.globalscoreagent.com/v1/certificates/activity", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
  "type": "http",
  "method": "POST",
  "bodyType": "json",
  "bodyFieldNames": [
    "wallet_address"
  ],
  "pathParamNames": [],
  "queryParamNames": []
}),
});

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.

Review the provider input schema before running this non-read-only method. No payment code is included.

STATUS HISTORY

  1. Exact route checked

    not safely testable · potentially-mutating-method:POST

  2. Origin reachable

    OPTIONS https://walcert.globalscoreagent.com/ returned 405.

  3. Observed in cdp-bazaar

    The registry record was observed and retained with provenance.

  4. Observed in 402-index

    Discovered through bazaar.

  5. Registry record checked

    Registry health: healthy.

What evidence supports this listing?

cdp-bazaarobserved 2026-08-25 · open source record ↗
402-indexobserved 2026-08-25 · open source record ↗
origin checkOPTIONS https://walcert.globalscoreagent.com/ → 405 on 2026-08-25
route quotenot invoked automatically · potentially-mutating-method:POST · 2026-08-25

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. Read the discovery and verification methodology →

Which networks and payment options does it accept?

The normalized listing price is No normalized USD price is recorded. Raw protocol requirements remain visible below for implementation and audit use.

Baseexact50000 atomic · 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
eip155:42220exact50000 atomic · 0xcebA9300f2b948710d2653dD7B07f33A8B32118C
walcert POST /v1/certificates/activity · c660f4 x402 API · TOLL·402