TOLL

What software pays for, recorded every six hours.

Snapshot
2026-10-04 05:50 UTC
Sweep
daily-2026-10-03 · finished 2026-10-03 08:30 UTC
Listed
30,259

tx preflight derived

txguard.schemasure.comMarket dataderived

POST https://txguard.schemasure.com/v1/tx/preflight

passlisted in Coinbasecounted above 96% of Market data

0.01 USDC

per call, as the listing declares it on eip155:8453

Compare with anotherEvery figure as JSONCite this page

the price, as of 2026-10-04 05:50 UTC · method · pinnable

Validation state
pass
as of 2026-10-04 10:26 UTC · method · pinnable · sweep daily-2026-10-04
Uptime, 7 / 30 / 90 days
100% / 100% / 100%
as of 2026-10-04 10:26 UTC · method · pinnable · 7 of 7 in 7d, 20 of 20 in 30d, 20 of 20 in 90d
Calls, trailing 30 days
36
as of 2026-10-04 05:50 UTC · method · pinnable
Unique payers, trailing 30 days
4
as of 2026-10-04 05:50 UTC · method · pinnable
Last called
2026-10-03 07:40 UTC
as of 2026-10-04 05:50 UTC · method · pinnable
First observed by TOLLderived
2026-09-10
as of 2026-09-10 19:08 UTC · method · pinnable · observation began 10 September 2026; listings that predate it show that date
Pricederived
0.01 USDC
as of 2026-10-04 05:50 UTC · method · pinnable · on eip155:8453
Networks
1
as of 2026-10-04 05:50 UTC · method · pinnable

Counters

96 observations, 8 of them a change

How has the volume on this endpoint moved?

30313233343536373610 Sep11 Sep12 Sep13 Sep14 Sep15 Sep16 Sep17 Sep18 Sep19 Sep20 Sep21 Sep22 Sep23 Sep24 Sep25 Sep26 Sep27 Sep28 Sep29 Sep30 Sep1 Oct2 Oct3 Oct4 Oct
Calls counted in the trailing 30 days on this endpoint, at every snapshot since 2026-09-10. Each point is a trailing-30-day sum as the registry published it, not a daily rate. The axis is truncated to the range of the data with a break at its foot.

In words

At txguard.schemasure.com, tx preflight takes POST requests, is listed in the Coinbase registry, and falls under market data by TOLL's rules.

Per call, tx preflight declares 0.01 USDC on Base.

tx preflight takes a json body with the fields unsigned_tx and expected_quote.

A response from tx preflight, as declared, includes ok, result, verdict, evidence, warnings, confidence and 2 others.

tx preflight answered the sweep of 2026-10-04 with a valid 402, as at every sweep since 2026-09-11.

tx preflight is the only listed endpoint on txguard.schemasure.com.

The registry's counters give tx preflight 36 calls and 4 unique payers over 30 days, about 9 calls per payer.

tx preflight was last called 1 day before the snapshot.

Closest in price to tx preflight within market data: price at svm402.com and address current balance at api.nansen.ai.

tx preflight is priced above 37% of comparable listings in market data.

Across market data, 8,187 endpoints carry counters and tx preflight out-counts 96% of them.

11 listed endpoints across 10 hosts pay to the same wallet.

The seller's tags on tx preflight are base, transaction, preflight and x402.

Exactly this price appears on 3,007 other listings in market data.

Payment options as declared

the payment options, as of 2026-10-04 05:50 UTC · method · pinnable

Every payment option declared on this listing
registrynetworkassetamountschemepay to
Coinbaseeip155:8453USDC0.01 USDCexact0x9876af…612690

Preflight checks at the last sweep

the checks, as of 2026-10-04 10:26 UTC · method · pinnableendpoint answered HTTP 402

No named check failed.

Validation history, 90 days

Every sweep that observed this endpoint, newest first.

Validation observations over the last 90 days
observed, UTCstatefailed checkssweep
2026-10-04 10:26 UTCpass0daily-2026-10-04
2026-10-03 05:23 UTCpass0daily-2026-10-03
2026-10-02 14:37 UTCpass0daily-2026-10-02
2026-10-01 07:33 UTCpass0daily-2026-10-01
2026-09-30 06:51 UTCpass0daily-2026-09-30
2026-09-29 19:10 UTCpass0daily-2026-09-29
2026-09-28 05:58 UTCpass0daily-2026-09-28
2026-09-25 20:42 UTCpass0daily-2026-09-25
2026-09-23 06:19 UTCpass0daily-2026-09-23
2026-09-22 06:29 UTCpass0daily-2026-09-22
2026-09-21 06:52 UTCpass0daily-2026-09-21
2026-09-19 04:53 UTCpass0daily-2026-09-19
2026-09-18 10:54 UTCpass0daily-2026-09-18
2026-09-17 04:49 UTCpass0daily-2026-09-17
2026-09-16 04:50 UTCpass0daily-2026-09-16
2026-09-15 04:46 UTCpass0daily-2026-09-15
2026-09-14 04:42 UTCpass0daily-2026-09-14
2026-09-13 04:39 UTCpass0daily-2026-09-13
2026-09-12 06:56 UTCpass0daily-2026-09-12
2026-09-11 10:32 UTCpass0daily-2026-09-11

Registry presence

Presence in a registry, not liveness of the service (method). Newest first.

  1. listed in Coinbase

Declared input and output, as listed

From the registry record, not validated by TOLL.the declared schema, as of 2026-10-03 07:40 UTC · method · live

The input and output block
{
  "input": {
    "body": {
      "unsigned_tx": {
        "to": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "data": "0xa9059cbb0000000000000000000000005d3e1a9b7c2f4e8a0b6d3c5f9e1a7b4d2c8f0a6e0000000000000000000000000000000000000000000000000000000000002710",
        "from": "0x9F2C5E4A8db1C3a7E6B0d4f8C1E2a5b7D9C0e3F4",
        "value": "0"
      },
      "expected_quote": {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x1a2B3c4D5E6F7a8B9c0D1e2F3A4b5C6d7E8F9a0b",
        "amount": "10000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 60
      }
    },
    "type": "http",
    "method": "POST",
    "bodyType": "json"
  },
  "output": {
    "type": "json",
    "example": {
      "ok": true,
      "result": {
        "rpc": {
          "endpoints": [],
          "reachable": null,
          "configured": false
        },
        "chain": "eip155:8453",
        "proxy": {
          "kind": "unknown",
          "admin": null,
          "beacon": null,
          "detail": "no RPC endpoint is configured, so no slot could be read",
          "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
          "upgradeable": null,
          "slots_probed": [],
          "implementation": null
        },
        "intent": {
          "args": [
            {
              "name": "to",
              "type": "address",
              "value": "0x5D3e1a9b7c2f4E8A0b6d3c5F9E1A7b4D2C8f0a6E"
            },
            {
              "name": "amount",
              "type": "uint256",
              "value": "10000"
            }
          ],
          "kind": "erc20_transfer",
          "calls": [],
          "depth": 0,
          "target": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
          "summary": "Transfer 10000 base units of token 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 to 0x5D3e1a9b7c2f4E8A0b6d3c5F9E1A7b4D2C8f0a6E.",
          "selector": "0xa9059cbb",
          "standard": "erc20",
          "signature": "transfer(address,uint256)",
          "truncated": false,
          "value_wei": "0",
          "decode_source": "bundled-abi",
          "function_name": "transfer"
        },
        "spender": {
          "detail": "this transaction grants no allowance, so it has no spender",
          "address": null,
          "is_contract": null
        },
        "approvals": [],
        "simulation": {
          "detail": "simulation was not requested; send simulate: true to run one",
          "status": "not_requested",
          "gas_used": null,
          "requested": false,
          "block_number": null,
          "asset_changes": []
        },
        "unresolved": [
          "proxy status of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 is unknown: no RPC endpoint is configured, so no slot could be read"
        ],
        "input_shape": "unsigned_tx",
        "permit_scope": null,
        "denylist_hits": [],
        "quote_comparison": {
          "detail": "2 of 3 comparable fields match",
          "fields": [
            {
              "field": "payTo",
              "actual": "0x5D3e1a9b7c2f4E8A0b6d3c5F9E1A7b4D2C8f0a6E",
              "matches": false,
              "expected": "0x1a2B3c4D5E6F7a8B9c0D1e2F3A4b5C6d7E8F9a0b"
            },
            {
              "field": "amount",
              "actual": "10000",
              "matches": true,
              "expected": "10000"
            },
            {
              "field": "asset",
              "actual": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "matches": true,
              "expected": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
            },
            {
              "field": "chainId",
              "actual": null,
              "matches": null,
              "expected": "8453"
            },
            {
              "field": "extra.name",
              "actual": null,
              "matches": null,
              "expected": "USD Coin"
            },
            {
              "field": "extra.version",
              "actual": null,
              "matches": null,
              "expected": "2"
            }
          ],
          "matches": false,
          "present": true
        },
        "expected_transfers": [
          {
            "to": "0x5D3e1a9b7c2f4E8A0b6d3c5F9E1A7b4D2C8f0a6E",
            "from": "0x9f2C5E4a8DB1C3A7e6b0d4f8C1e2A5b7d9c0E3f4",
            "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "amount": "10000",
            "source": "decode",
            "token_id": null,
            "asset_kind": "erc20"
          }
        ],
        "authorization_checks": [],
        "candidate_signatures": []
      },
      "verdict": "block",
      "evidence": [
        {
          "code": "RECIPIENT_MISMATCH",
          "data": {
            "field": "payTo",
            "actual": "0x5D3e1a9b7c2f4E8A0b6d3c5F9E1A7b4D2C8f0a6E",
            "expected": "0x1a2B3c4D5E6F7a8B9c0D1e2F3A4b5C6d7E8F9a0b"
          },
          "detail": "Pays 0x5D3e1a9b7c2f4E8A0b6d3c5F9E1A7b4D2C8f0a6E, but the quote names 0x1a2B3c4D5E6F7a8B9c0D1e2F3A4b5C6d7E8F9a0b. Signing this pays someone other than the party you are buying from.",
          "source": "quote-comparison",
          "severity": "critical"
        },
        {
          "code": "RPC_UNAVAILABLE",
          "detail": "No Base RPC endpoint is configured, so chain-dependent fields are unknown rather than assumed. See result.unresolved.",
          "source": "rpc",
          "severity": "medium"
        }
      ],
      "warnings": [],
      "confidence": 1,
      "risk_codes": [
        "RECIPIENT_MISMATCH",
        "RPC_UNAVAILABLE"
      ],
      "request_hash": "sha256:6d5c717eb5eede165dada2645ad0944430ff492739cf58d0c2dad2b812f0ddb4",
      "data_versions": {
        "chain": "eip155:8453",
        "policy": "2026-08-03",
        "denylist": "2026-08-03.1",
        "abi_packs": "2026-08-03.1",
        "signature_index": "2026-08-03.1"
      },
      "policy_version": "2026-08-03"
    }
  }
}
Cite this page

The pinned URL below renders this page from the snapshot of 2026-10-04 05:50 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 preflight on txguard.schemasure.com", snapshot of 2026-10-04 05:50 UTC. https://tollindex.com/e/txguard-schemasure-com-v1-tx-preflight-54bb07/at/2026-10-04T05-50Z. Accessed [access date].

BibTeX

@misc{toll-e-txguard-schemasure-com-v1-tx-preflight-54bb07-2026-10-04T05-50Z,
  author = {TOLL},
  title = {tx preflight on txguard.schemasure.com},
  howpublished = {\url{https://tollindex.com/e/txguard-schemasure-com-v1-tx-preflight-54bb07/at/2026-10-04T05-50Z}},
  year = {2026},
  month = {10},
  note = {Pinned view of the snapshot of 2026-10-04 05:50 UTC. Accessed [access date].}
}

Reports and replies about this endpoint

None yet. Anything submitted through the form below is published here with its outcome.

Report an error about tx preflight, or reply as the named seller

No account, no token. Published unedited with its outcome, upheld or not. Do not include personal data.

Kind

Published as typed. Optional.

10 to 4,000 characters.

Verify with the payee wallet (optional, EVM)

Sign this message with the wallet named on the page and paste the signature; it is checked, stored, never published. TOLL reply about endpoint 54bb07df9cba10664c67c6b7e59ca4501361fdf95ff3088df1b6680567ed886e from wallet 0x9876af0F6D8Ed5155Cd02d1ca56D128601612690

The 0x address named as payee on this page, 42 characters.

The hex signature of the message above, starting 0x.