passlisted in Coinbasecounted above 52% of Identity
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
- 2026-09-14 19:52 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.01 USDC
- Networks
- 1
How big is this endpoint among the ones like it?
No trace is drawn of this endpoint’s own volume. Its counters have changed 2 times 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.
TOLL files check under identity: a POST endpoint on sendcheck-x402.pennyforge.workers.dev, listed in the Coinbase registry.
On Base, check asks 0.01 USDC per call.
The request to check is a json body with the fields chain and address.
A response from check, as declared, includes meta, chain, report, address, verdict and checksum.
The sweep of 2026-09-15 found it reachable with a valid 402 response, as at every sweep since 2026-09-11.
check is the only listed endpoint on sendcheck-x402.pennyforge.workers.dev.
Over 30 days: 2 calls, 2 payers, every call from a different payer.
check was last called 1 day before the snapshot.
Closest in price to check within identity: attested screening at rubric-protocol.com and items at spawnxchange-api-485602182462.europe-west4.run.app.
Among comparable prices in identity, check sits above 31% of them.
4 listed endpoints across 3 hosts pay to the same wallet.
The seller's tags on check are evm, crypto, security and usdc.
The price of check is declared by 516 other listings in identity too.
the payment options, as of 2026-09-15 21:20 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.01 USDC | exact | 0x9504A5…6c485D |
the checks, as of 2026-09-15 06:15 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-09-15 06:15 UTC | pass | 0 | daily-2026-09-15 |
| 2026-09-14 05:45 UTC | pass | 0 | daily-2026-09-14 |
| 2026-09-13 05:39 UTC | pass | 0 | daily-2026-09-13 |
| 2026-09-12 07:55 UTC | pass | 0 | daily-2026-09-12 |
| 2026-09-11 11:50 UTC | pass | 0 | daily-2026-09-11 |
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 2026-09-14 19:52 UTC · method · live
The input and output block
{
"input": {
"body": {
"chain": "base",
"address": "0x9504A5939AB5be2B2B1F8beA7D7ebeCcd96c485D"
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"meta": {
"ms": 912,
"service": "sendcheck",
"version": "1.8.1"
},
"chain": {
"name": "Base",
"usdc": "30.23",
"usdt": "0.00",
"block": 50804109,
"chain": 8453,
"native": "0.0026",
"reachable": true,
"usdcUnits": "30230079",
"usdtUnits": "0",
"isContract": false,
"outgoingTxs": 3
},
"report": "SendCheck pre-send verification …",
"address": "0x9504A5939AB5be2B2B1F8beA7D7ebeCcd96c485D",
"verdict": {
"gas": "0.00000039 ETH",
"next": "Verify the recipient out-of-band before sending.",
"level": "caution",
"reasons": [
"…"
],
"headline": "Live wallet with recent activity.",
"tokenMismatch": null
},
"checksum": {
"status": "valid",
"message": "Valid EIP-55 checksum address."
}
}
}
}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, "check on sendcheck-x402.pennyforge.workers.dev", snapshot of 2026-09-15 21:20 UTC. https://tollindex.com/e/sendcheck-x402-pennyforge-workers-dev-check-b258ad/at/2026-09-15T21-20Z. Accessed [access date].
BibTeX
@misc{toll-e-sendcheck-x402-pennyforge-workers-dev-check-b258ad-2026-09-15T21-20Z,
author = {TOLL},
title = {check on sendcheck-x402.pennyforge.workers.dev},
howpublished = {\url{https://tollindex.com/e/sendcheck-x402-pennyforge-workers-dev-check-b258ad/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].}
}None yet. Anything submitted through the form below is published here with its outcome.