passlisted in Coinbase#30 by calls of 106 on this host
0.01 USDC
per call, as the listing declares it on eip155:
- Validation state
- pass
- Uptime, 7 / 30 / 90 days
- 100% / 100% / 100%
- Calls, trailing 30 days
- 2
- Unique payers, trailing 30 days
- 2
- Last called
- 2026-10-11 21:44 UTC
- First observed by TOLLderived
- 2026-10-11
- Pricederived
- 0.01 USDC
- Networks
- 3
How big is this endpoint among the ones like it?
No trace is drawn of this endpoint’s own volume. Its counters have changed 1 time across 4 observations, and 3 changes are the fewest this site will draw a trace through, because two points and a guess are not a series. Every observation is in the JSON.
TOLL first observed it on 2026-10-11.
x402engine.app serves tx simulate, a POST endpoint that TOLL places in market data, listed in the Coinbase registry.
A call to tx simulate costs 0.01 USDC on Base, as declared.
The request to tx simulate is a json body with the fields to, from, value and network_id.
tx simulate answered the sweep of 2026-10-29 with a valid 402, as at every sweep since 2026-10-11.
tx simulate declares nothing about its output; validate flags that as advisory, not a verdict.
For tx simulate the listing declares 3 accepts on Base, EVM chain 4326 and Solana, to 2 different wallets.
tx simulate is one of 106 listed endpoints on x402engine.app, tied 30th by calls with 52 others among them.
tx simulate drew 2 calls from 2 unique payers in the trailing 30 days, every call from a different payer.
tx simulate was last called 2 days before the snapshot.
Closest in price to tx simulate within market data: price at svm402.com and address current balance at api.nansen.ai.
tx simulate is priced above 40% of comparable listings in market data.
The wallet paid by tx simulate is the payee of 119 endpoints across 2 hosts.
For 1 of the options on tx simulate, TOLL has no verified decimals and shows the raw amount.
The price of tx simulate is declared by 2,674 other listings in market data too.
the payment options, as of 2026-10-13 14:08 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.01 USDC | exact | 0x7dd5Be…3c2629 |
| Coinbase | eip155: | USDm | 10000000000000000 smallest units, decimals unknown | exact | 0x7dd5Be…3c2629 |
| Coinbase | solana: | USDC | 0.01 USDC | exact | Gzehfseq…VWQQWa |
the checks, as of 2026-10-29 05:33 UTC · method · pinnableendpoint answered HTTP 402
bazaar.info.output· advisory, does not affect the verdict · output metadata is present (advisory)
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-10-29 05:33 UTC | pass | 1 | daily-2026-10-29 |
| 2026-10-28 05:56 UTC | pass | 1 | daily-2026-10-28 |
| 2026-10-27 05:52 UTC | pass | 1 | daily-2026-10-27 |
| 2026-10-26 05:47 UTC | pass | 1 | daily-2026-10-26 |
| 2026-10-24 20:12 UTC | pass | 1 | daily-2026-10-24 |
| 2026-10-23 05:42 UTC | pass | 1 | daily-2026-10-23 |
| 2026-10-22 03:57 UTC | pass | 1 | daily-2026-10-22 |
| 2026-10-21 07:21 UTC | pass | 1 | daily-2026-10-21 |
| 2026-10-20 07:16 UTC | pass | 1 | daily-2026-10-20 |
| 2026-10-19 05:23 UTC | pass | 1 | daily-2026-10-19 |
| 2026-10-18 07:41 UTC | pass | 1 | daily-2026-10-18 |
| 2026-10-17 17:38 UTC | pass | 1 | daily-2026-10-17 |
| 2026-10-16 03:56 UTC | pass | 1 | daily-2026-10-16 |
| 2026-10-15 05:29 UTC | pass | 1 | daily-2026-10-15 |
| 2026-10-14 03:55 UTC | pass | 1 | daily-2026-10-14 |
| 2026-10-13 08:18 UTC | pass | 1 | daily-2026-10-13 |
| 2026-10-12 05:39 UTC | pass | 1 | daily-2026-10-12 |
| 2026-10-11 22:20 UTC | pass | 1 | new-after-daily-2026-10-11 |
Presence in a registry, not liveness of the service (method). Newest first.
- listed in Coinbase
From the registry record, not validated by TOLL.the declared schema, as of 2026-10-11 21:44 UTC · method · live
The input and output block
{
"input": {
"body": {
"to": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
"from": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
"value": "0",
"network_id": "1"
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": null
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-10-13 14:08 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "tx simulate on x402engine.app", snapshot of 2026-10-13 14:08 UTC. https://tollindex.com/e/x402engine-app-api-tx-simulate-05bd44/at/2026-10-13T14-08Z. Accessed [access date].
BibTeX
@misc{toll-e-x402engine-app-api-tx-simulate-05bd44-2026-10-13T14-08Z,
author = {TOLL},
title = {tx simulate on x402engine.app},
howpublished = {\url{https://tollindex.com/e/x402engine-app-api-tx-simulate-05bd44/at/2026-10-13T14-08Z}},
year = {2026},
month = {10},
note = {Pinned view of the snapshot of 2026-10-13 14:08 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.