resources/HALOWERK kettenwerk/POST /tx/simulate
POSTorigin reachablediscovery only

HALOWERK kettenwerk /tx/simulate APIPOST /tx/simulate · x402 API by HALOWERK kettenwerk

Answers the question that stands before every signature: what really happens to my assets and my rights. The call is executed against the state of a named block on a simulation interface, never on the chain — this hub holds no private key and broadcasts nothing. Balance changes are not inferred from events but measured: the same simulation reads every touched balance immediately before and immediately after the call, native currency included, so an outflow that emits no event is still visible. A

https://kette.halowerk.com/tx/simulate

What does this x402 API do?

HALOWERK kettenwerk /tx/simulate API. This is an x402-gated POST API resource from HALOWERK kettenwerk. TOLL·402 did not invoke this route automatically because doing so was not considered safe. No normalized USD price is recorded; the listing names Base. No settled paid call has been verified.

Published price
No normalized USD price is recorded
Networks
Base
Latest evidence
TOLL·402 did not invoke this route automatically because doing so was not considered safe
Resource ID
db21dc9087e0dc6104045d5d
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://kette.halowerk.com/tx/simulate", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
  "type": "http",
  "method": "POST",
  "bodyType": "json",
  "bodyFieldNames": [
    "chain",
    "from",
    "to"
  ],
  "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

    HEAD https://kette.halowerk.com/ returned 200.

  3. Observed in cdp-bazaar

    The registry record was observed and retained with provenance.

What evidence supports this listing?

cdp-bazaarobserved 2026-08-11 · open source record ↗
origin checkHEAD https://kette.halowerk.com/ → 200 on 2026-08-11
route quotenot invoked automatically · potentially-mutating-method:POST · 2026-08-11

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.

Baseexact12000 atomic · 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
HALOWERK kettenwerk POST /tx/simulate · db21dc x402 API · TOLL·402