passabsent from every registry#6 by calls of 15 on this host
0.12 USDC
per call, as the listing declares it on eip155:
Compare with anotherEvery figure as JSONCite this page
the price, as of 2026-10-04 21:22 UTC · method
- Validation state
- pass
- Uptime, 7 / 30 / 90 days
- — / 100% / 100%
- Calls, trailing 30 days
- 1
- Unique payers, trailing 30 days
- 1
- Last called
- 2026-10-04 08:06 UTC
- First observed by TOLLderived
- 2026-10-04
- Pricederived
- 0.12 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 1 time across 2 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.
x402 challenge batch audit is one of 15 listed endpoints on api.zfinia.com, tied 6th by calls with 10 others among them.
x402 challenge batch audit takes a json body with the field challenges.
A response from x402 challenge batch audit, as declared, includes limits, passed, complete, findings, challenges, request_id and 2 others.
x402 challenge batch audit drew a single call from a single payer in the trailing 30 days.
The last call to x402 challenge batch audit came 28 days before the snapshot, 2026-10-04.
On Base, x402 challenge batch audit asks 0.12 USDC per call.
It accounts for 3% of the calls counted across the host.
TOLL files x402 challenge batch audit under inference: a POST endpoint on api.zfinia.com, listed in neither registry at the last pull.
x402 challenge batch audit answered the sweep of 2026-10-04 with a valid 402, as at every sweep since 2026-10-04.
Closest in price to x402 challenge batch audit within inference: agent call at api.losbeto.xyz and perplexity chat at perplexity.x402.paywithlocus.com.
x402 challenge batch audit is near the top of prices in inference; 91% of comparable listings are cheaper.
The wallet paid by x402 challenge batch audit is the payee of 179 endpoints across 5 hosts.
Seller tags: x402, machine payments, batch audit and preflight.
x402 challenge batch audit was missing from the Coinbase registry at the pull of 2026-10-05, confirmed at the pull of 2026-10-05; that is registry presence, not liveness.
The price of x402 challenge batch audit is declared by 25 other listings in inference too.
Where the sentences above compare this endpoint with others, the comparison is against the index as it stands now, live; the figures above are final.
the payment options, as of 2026-10-04 21:22 UTC · method
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.12 USDC | exact | 0x25e824…6a9608 |
the checks, as of 2026-10-04 13:12 UTC · methodendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-10-04 13:12 UTC | pass | 0 | daily-2026-10-04 |
| 2026-10-04 12:40 UTC | pass | 0 | new-after-daily-2026-10-04 |
Presence in a registry, not liveness of the service (method). Newest first.
- absence from Coinbase confirmed, rule v1
- absent from Coinbase at this pull
- listed in Coinbase
From the registry record, not validated by TOLL.the declared schema, as of 2026-10-04 08:06 UTC · method
The input and output block
{
"input": {
"body": {
"challenges": [
{
"url": "https://api.merchant.test/v1/score",
"challenge": {
"accepts": [
{
"asset": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
"payTo": "0xa1b2c30000000000000000000000000000009f8e",
"amount": "5000",
"scheme": "exact",
"network": "eip155:8453"
}
],
"resource": {
"url": "https://api.merchant.test/v1/score",
"mimeType": "application/json",
"description": "Paid resource at https://api.merchant.test/v1/score"
},
"extensions": {
"bazaar": {
"schema": {
"properties": {
"input": {
"type": "object"
},
"output": {
"type": "object"
}
}
}
}
},
"x402Version": 2
}
},
{
"url": "https://api.merchant.test/v1/enrich",
"challenge": {
"accepts": [
{
"asset": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
"payTo": "0xa1b2c30000000000000000000000000000009f8e",
"amount": "12000",
"scheme": "exact",
"network": "eip155:8453"
}
],
"resource": {
"url": "https://api.merchant.test/v1/enrich",
"mimeType": "application/json",
"description": "Paid resource at https://api.merchant.test/v1/enrich"
},
"extensions": {
"bazaar": {
"schema": {
"properties": {
"input": {
"type": "object"
},
"output": {
"type": "object"
}
}
}
}
},
"x402Version": 2
}
},
{
"url": "https://api.merchant.test/v1/legacy",
"challenge": {
"accepts": [
{
"asset": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
"payTo": "0xa1b2c30000000000000000000000000000009f8e",
"amount": "2000",
"scheme": "exact",
"network": "eip155:8453"
}
],
"resource": {
"url": "https://api.merchant.test/v1/legacy",
"mimeType": "application/json",
"description": "Paid resource at https://api.merchant.test/v1/legacy"
},
"extensions": {
"bazaar": {
"schema": {
"properties": {
"input": {
"type": "object"
},
"output": {
"type": "object"
}
}
}
}
},
"x402Version": 2
}
},
{
"url": "https://api.merchant.test/v1/misbound",
"challenge": {
"accepts": [
{
"asset": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
"payTo": "0xa1b2c30000000000000000000000000000009f8e",
"amount": "5000",
"scheme": "exact",
"network": "eip155:8453"
}
],
"resource": {
"url": "https://api.merchant.test/v1/score",
"mimeType": "application/json",
"description": "Paid resource at https://api.merchant.test/v1/score"
},
"extensions": {
"bazaar": {
"schema": {
"properties": {
"input": {
"type": "object"
},
"output": {
"type": "object"
}
}
}
}
},
"x402Version": 2
}
},
{
"url": "https://api.merchant.test/v1/broken",
"challenge": {
"accepts": [],
"resource": {
"url": "https://api.merchant.test/v1/broken",
"mimeType": "application/json",
"description": "Paid resource at https://api.merchant.test/v1/broken"
},
"extensions": {
"bazaar": {
"schema": {
"properties": {
"input": {
"type": "object"
},
"output": {
"type": "object"
}
}
}
}
},
"x402Version": 2
}
},
{
"accepts": [
{
"asset": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
"payTo": "0xa1b2c30000000000000000000000000000009f8e",
"amount": "1000",
"scheme": "exact",
"network": "eip155:8453"
}
],
"resource": {
"url": "https://api.merchant.test/v1/bare",
"mimeType": "application/json",
"description": "Paid resource at https://api.merchant.test/v1/bare"
},
"extensions": {
"bazaar": {
"schema": {
"properties": {
"input": {
"type": "object"
},
"output": {
"type": "object"
}
}
}
}
},
"x402Version": 2
}
]
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"limits": {
"maxAssets": 100,
"maxAccepts": 20,
"maxFindings": 500,
"maxNetworks": 50,
"maxResources": 500,
"maxChallenges": 200
},
"passed": false,
"complete": false,
"findings": [
{
"code": "RESOURCE_NOT_BOUND_TO_ENDPOINT",
"detail": "https://api.merchant.test/v1/misbound names https://api.merchant.test/v1/score but was served from https://api.merchant.test/v1/misbound.",
"severity": "blocking",
"challenge": 3
},
{
"code": "NO_ACCEPTED_PAYMENTS",
"detail": "https://api.merchant.test/v1/broken: NO_ACCEPTED_PAYMENTS prevents a payment being constructed.",
"resource": "https://api.merchant.test/v1/broken",
"severity": "blocking",
"challenge": 4
}
],
"challenges": [
{
"index": 0,
"label": "https://api.merchant.test/v1/score",
"version": 2,
"networks": [
"eip155:8453"
],
"payable_now": true,
"accept_count": 1,
"resource_url": "https://api.merchant.test/v1/score",
"resource_bound": true,
"cheapest_amount": "5000",
"blocking_warnings": []
},
{
"index": 1,
"label": "https://api.merchant.test/v1/enrich",
"version": 2,
"networks": [
"eip155:8453"
],
"payable_now": true,
"accept_count": 1,
"resource_url": "https://api.merchant.test/v1/enrich",
"resource_bound": true,
"cheapest_amount": "12000",
"blocking_warnings": []
},
{
"index": 2,
"label": "https://api.merchant.test/v1/legacy",
"version": 2,
"networks": [
"eip155:8453"
],
"payable_now": true,
"accept_count": 1,
"resource_url": "https://api.merchant.test/v1/legacy",
"resource_bound": true,
"cheapest_amount": "2000",
"blocking_warnings": []
}
],
"request_id": "example-request",
"service_id": "x402_challenge_batch_audit",
"all_payable": false,
"assumptions": [
"Nothing is fetched and nothing is paid. The caller supplies challenges they already captured, which is what makes an arbitrary endpoint auditable at all.",
"A challenge supplied as an object with a url is checked against that url for resource binding; one supplied as a bare body is not, and that is reported."
],
"limitations": [
"Conformance of the challenges supplied. Whether each endpoint honours its challenge is not knowable without paying, which this never does.",
"all_payable is true only when every challenge decoded, every binding that could be checked was checked, and nothing blocking was found."
],
"observed_at": "2026-10-02T00:00:00.000Z",
"not_examined": [
"RESOURCE_BINDING_NOT_CHECKED: challenges[5] was supplied without the URL it came from, so its resource binding was not checked."
],
"payment_sent": false,
"finding_count": 2,
"payable_count": 4,
"service_version": "1.0.0",
"unpayable_count": 2,
"findings_by_code": {
"NO_ACCEPTED_PAYMENTS": 1,
"RESOURCE_NOT_BOUND_TO_ENDPOINT": 1
},
"decoded_challenge_count": 6,
"supplied_challenge_count": 6
}
}
}Cite this page
This endpoint is delisted: the page is frozen at its last observation and its live URL is the stable one. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "x402 challenge batch audit on api.zfinia.com". https://tollindex.com/e/api-zfinia-com-x402-v1-x402-challenge-batch-audit-92b7c9. Accessed [access date].
BibTeX
@misc{toll-e-api-zfinia-com-x402-v1-x402-challenge-batch-audit-92b7c9-2026-11-01,
author = {TOLL},
title = {x402 challenge batch audit on api.zfinia.com},
howpublished = {\url{https://tollindex.com/e/api-zfinia-com-x402-v1-x402-challenge-batch-audit-92b7c9}},
year = {2026},
month = {11},
note = {Frozen at its last observation, 2026-11-01 13:19 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.