chain tx derived

blockchain-api.x402-chain-tools.workers.devMarket data derived

POST https://blockchain-api.x402-chain-tools.workers.dev/chain/tx

malformedlisted in Coinbase#3 by calls of 9 on this host

0.002 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: malformed; as of 2026-09-15 04:49 UTC · method · pinnable · sweep daily-2026-09-15
Uptime, 7 / 30 / 90 days: 0% / 0% / 0%; as of 2026-09-15 04:49 UTC · method · pinnable · 0 of 5 in 7d, 0 of 5 in 30d, 0 of 5 in 90d
Calls, trailing 30 days: 1; as of 2026-09-15 21:20 UTC · method · pinnable
Unique payers, trailing 30 days: 1; as of 2026-09-15 21:20 UTC · method · pinnable
Last called: 2026-09-01 23:20 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: 0.002 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 1: 3,175 in the category are counted higher and 2,112 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

On 2026-09-15, chain tx returned 402 but failed the required check has_bazaar_extension.

For chain tx the failing check asks whether the body carries the Bazaar discovery extension.

chain tx, a POST endpoint on blockchain-api.x402-chain-tools.workers.dev, appears in the Coinbase registry; TOLL's taxonomy puts it in market data.

chain tx is priced at 0.002 USDC on Base.

The request to chain tx is a json body with the field hash.

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

A response from chain tx, as declared, includes ok, hash, found, network and transaction.

chain tx drew a single call from a single payer in the trailing 30 days.

The last call to chain tx came 14 days before the snapshot, 2026-09-01.

blockchain-api.x402-chain-tools.workers.dev lists 9 endpoints; chain tx is tied 3rd by calls with 6 others.

8% of the host's counted calls go to it.

chain tx is priced above 10% of comparable listings in market data.

Closest in price to chain tx within market data: price btc usd at vibesprings.net and perp funding at agent402.tools.

The wallet paid by chain tx is the payee of 10 endpoints across 2 hosts.

Seller tags: x402, blockchain, base and transactions.

The price of chain tx is declared by 277 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	0.002 USDC	exact	0xa7e1fe…8abeCD
Coinbase	solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp	USDC	0.002 USDC	exact	5vX2u7mk…phzKyM

Preflight checks at the last sweep

the checks, as of 2026-09-15 04:49 UTC · method · pinnableendpoint answered HTTP 402

has_bazaar_extension · the body carries the Bazaar discovery extension

Validation history, 90 days

Every sweep that observed this endpoint, newest first.

Validation observations over the last 90 days
observed, UTC	state	failed checks	sweep
2026-09-15 04:49 UTC	malformed	1	daily-2026-09-15
2026-09-14 04:44 UTC	malformed	1	daily-2026-09-14
2026-09-13 04:42 UTC	malformed	1	daily-2026-09-13
2026-09-12 06:58 UTC	malformed	1	daily-2026-09-12
2026-09-11 10:35 UTC	malformed	1	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 2026-09-01 23:20 UTC · method · live

The input and output block

{
  "input": {
    "body": {
      "hash": "0x0000000000000000000000000000000000000000000000000000000000000000"
    },
    "type": "http",
    "method": "POST",
    "bodyType": "json"
  },
  "output": {
    "type": "json",
    "example": {
      "ok": true,
      "hash": "0x0000000000000000000000000000000000000000000000000000000000000000",
      "found": false,
      "network": "eip155:8453",
      "transaction": null
    }
  }
}

What the listing says

Look up a Base Mainnet transaction.

the record, 2026-09-01 23:20 UTC · method · pinnable

As declared

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

Who is paid

0xa7e1fe…8abeCD

Takes payment for 10 endpoints on 2 hosts.

Among Market data

counted above0%

of 5,288 that carry counters

cheaper than10%

of 5,273 with a comparable price

5,329 endpoints are in this category. 277 declare exactly this price.

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

Nearest on price

price btc usdvibesprings.net0.002 USDCpass
perp fundingagent402.tools0.002 USDCpass
market riskx402.ottoai.services0.002 USDCpass
kimchi premiumapi.printmoneylab.com0.002 USDCpass
chain erc20 balanceapi.onesource.io0.003 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, "chain tx on blockchain-api.x402-chain-tools.workers.dev", snapshot of 2026-09-15 21:20 UTC. https://tollindex.com/e/blockchain-api-x402-chain-tools-workers-dev-chain-tx-57d90c/at/2026-09-15T21-20Z. Accessed [access date].

BibTeX

@misc{toll-e-blockchain-api-x402-chain-tools-workers-dev-chain-tx-57d90c-2026-09-15T21-20Z,
  author = {TOLL},
  title = {chain tx on blockchain-api.x402-chain-tools.workers.dev},
  howpublished = {\url{https://tollindex.com/e/blockchain-api-x402-chain-tools-workers-dev-chain-tx-57d90c/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 chain tx, or reply as the named seller