tx explainer derived

x402.ottoai.servicesMarket data derived

POST https://x402.ottoai.services/tx-explainer

passlisted in Coinbase#58 by calls of 85 on this host

0.01 USDC

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

Compare with another Every figure as JSON Cite this page

the price, as of 2026-09-15 21:20 UTC · method · pinnable

Validation state: pass; as of 2026-09-15 06:29 UTC · method · pinnable · sweep daily-2026-09-15
Uptime, 7 / 30 / 90 days: 100% / 100% / 100%; as of 2026-09-15 06:29 UTC · method · pinnable · 5 of 5 in 7d, 5 of 5 in 30d, 5 of 5 in 90d
Calls, trailing 30 days: 5; as of 2026-09-15 21:20 UTC · method · pinnable
Unique payers, trailing 30 days: 3; as of 2026-09-15 21:20 UTC · method · pinnable
Last called: 2026-09-03 13:42 UTC; as of 2026-09-15 21:20 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 2026-09-15 21:20 UTC · method · pinnable · on eip155:8453
Networks: 2; as of 2026-09-15 21:20 UTC · method · pinnable

Counters

29 observations, 1 of them a change, fewer than the 3 a trace needs

How big is this endpoint among the ones like it?

Calls counted in the trailing thirty days across the 5,288 endpoints in Market data that carry counters, binned on a logarithmic scale because the range runs over five orders of magnitude. The marked bin is this endpoint, at 5: 1,051 in the category are counted higher and 4,236 lower.

No trace is drawn of this endpoint’s own volume. Its counters have changed 1 time across 29 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.

In words

With 85 endpoints listed on x402.ottoai.services, tx explainer is tied 58th by calls with 4 others.

The request to tx explainer is a json body with the fields chain, txHash and outputLevel.

tx explainer returns json; the example shows chain, status, txHash, summary and explorerUrl.

The registry's counters give tx explainer 5 calls and 3 unique payers over 30 days.

Its last counted call came 12 days before the snapshot.

tx explainer is priced at 0.01 USDC on Base.

For tx explainer the listing declares 3 accepts on Base and Solana, to 2 different wallets.

At x402.ottoai.services, tx explainer takes POST requests, is listed in the Coinbase registry, and falls under market data by TOLL's rules.

tx explainer answered the sweep of 2026-09-15 with a valid 402, as at every sweep since 2026-09-11.

Closest in price to tx explainer within market data: token safety at api.deepnets.ai and swap allowance holder quote at agent.api.0x.org.

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

Across market data, 5,288 endpoints carry counters and tx explainer out-counts 77% of them.

The wallet paid by tx explainer is the payee of 73 endpoints across 2 hosts.

Seller tags: transaction explainer, tx decoder, blockchain transaction and evm.

The price of tx explainer is declared by 1,313 other listings in market data too.

Payment options as declared

the payment options, as of 2026-09-15 21:20 UTC · method · pinnable

Every payment option declared on this listing
registry	network	asset	amount	scheme	pay to
Coinbase	eip155:8453	USDC	0.01 USDC	exact	0x0E84dD…B6b808
Coinbase	eip155:8453	USDC	0.01 USDC	exact	0x0E84dD…B6b808
Coinbase	solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp	USDC	0.01 USDC	exact	6XcSfqJH…UTDPN5

Preflight checks at the last sweep

the checks, as of 2026-09-15 06:29 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, UTC	state	sweep
2026-09-15 06:29 UTC	pass	daily-2026-09-15
2026-09-14 05:58 UTC	pass	daily-2026-09-14
2026-09-13 05:50 UTC	pass	daily-2026-09-13
2026-09-12 08:07 UTC	pass	daily-2026-09-12
2026-09-11 12:05 UTC	pass	daily-2026-09-11

Registry presence

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

2026-09-10 19:08 UTClisted in Coinbase

Declared input and output, as listed

From the registry record, not validated by TOLL.the declared schema, as of 2026-09-03 13:42 UTC · method · live

The input and output block

{
  "input": {
    "body": {
      "chain": "base",
      "txHash": "0x91985d4134da826cd05ee7e629b68f0d3ebbbe14198c7d98a4f9e50c1ff46041",
      "outputLevel": "summary"
    },
    "type": "http",
    "method": "POST",
    "bodyType": "json"
  },
  "output": {
    "type": "json",
    "example": {
      "chain": "Base",
      "status": "success",
      "txHash": "0x...",
      "summary": "Swapped 0.5 ETH for 1,247.83 USDC via Uniswap V3",
      "explorerUrl": "https://basescan.org/tx/0x..."
    }
  }
}

What the listing says

Decode and explain any EVM blockchain transaction across 11 chains (Base, Ethereum, Arbitrum, Optimism, Avalanche, Polygon, Mantle, Monad, Plasma, BSC, Hyperliquid). Get a human-readable summary of swaps, transfers, approvals, DeFi interactions, and more.

the record, 2026-09-03 13:42 UTC · method · pinnable

As declared

Every tag is a field on the listing, not a keyword TOLL assigned.

Who is paid

0x0E84dD…B6b808

Takes payment for 73 endpoints on 2 hosts.

Among Market data

counted above77%

of 5,288 that carry counters

cheaper than37%

of 5,273 with a comparable price

5,329 endpoints are in this category. 1,313 declare exactly this price.

the comparison, 2026-09-15 21:20 UTC · method · live

Nearest on price

pricesvm402.com0.01 USDCmalformed
address current balanceapi.nansen.ai0.01 USDCpass
token safetyapi.deepnets.ai0.01 USDCpass
swap allowance holder quoteagent.api.0x.org0.01 USDCpass
btc usdapi.myceliasignal.com0.01 USDCpass

Same category, nearest declared price, one per payee wallet (method). the list, 2026-09-15 21:20 UTC · method · live

Elsewhere in the record

Cite this page

The pinned URL below renders this page from the snapshot of 2026-09-15 21:20 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 explainer on x402.ottoai.services", snapshot of 2026-09-15 21:20 UTC. https://tollindex.com/e/x402-ottoai-services-tx-explainer-c55f26/at/2026-09-15T21-20Z. Accessed [access date].

BibTeX

@misc{toll-e-x402-ottoai-services-tx-explainer-c55f26-2026-09-15T21-20Z,
  author = {TOLL},
  title = {tx explainer on x402.ottoai.services},
  howpublished = {\url{https://tollindex.com/e/x402-ottoai-services-tx-explainer-c55f26/at/2026-09-15T21-20Z}},
  year = {2026},
  month = {9},
  note = {Pinned view of the snapshot of 2026-09-15 21:20 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 explainer, or reply as the named seller