x402 merchant contract audit derived
api.zfinia.comMarket dataderived
POST https://api.zfinia.com/x402/v1/x402-merchant-contract-audit
passabsent from every registry#7 by calls of 15 on this host
0.18 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
- — / 50% / 50%
- Calls, trailing 30 days
- 1
- Unique payers, trailing 30 days
- 1
- Last called
- 2026-10-04 08:08 UTC
- First observed by TOLLderived
- 2026-10-04
- Pricederived
- 0.18 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.
Among the 15 endpoints on api.zfinia.com, x402 merchant contract audit is tied 7th by calls with 9 others.
Requests carry a json body with the fields contract and challenges.
x402 merchant contract audit returns json; the example shows limits, passed, complete, findings, resources, conformant and 2 others.
x402 merchant contract audit drew a single call from a single payer in the trailing 30 days.
The last call to x402 merchant contract audit came 9 days before the snapshot, 2026-10-04.
Each call is priced at 0.18 USDC, payable on Base.
x402 merchant contract audit takes 4% of the calls counted across api.zfinia.com.
TOLL files x402 merchant contract audit under market data: a POST endpoint on api.zfinia.com, listed in neither registry at the last pull.
x402 merchant contract audit answered the sweep of 2026-10-04 with a valid 402, passing 1 of 2 sweeps since 2026-10-04.
Closest in price to x402 merchant contract audit within market data: smart money netflow at api.nansen.ai and analyze at svm402.com.
x402 merchant contract audit is near the top of prices in market data; 97% of comparable listings are cheaper.
The wallet paid by x402 merchant contract audit is the payee of 179 endpoints across 5 hosts.
Seller tags: x402, machine payments, merchant audit and consistency.
x402 merchant contract 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.
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 | 0.18 USDC | exact | 0x25e824…6a9608 |
the checks, as of 2026-10-04 12:58 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 12:58 UTC | pass | 0 | daily-2026-10-04 |
| 2026-10-04 12:25 UTC | fail | 1 | 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 08:08 UTC · method
The input and output block
{
"input": {
"body": {
"contract": {
"expected_host": "api.merchant.test",
"expected_asset": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
"expected_payee": "0xa1b2c30000000000000000000000000000009f8e",
"expected_network": "eip155:8453",
"max_amount_atomic": "20000"
},
"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://legacy.merchant.test/v1/stale",
"challenge": {
"accepts": [
{
"asset": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
"payTo": "0xffffffffffffffffffffffffffffffffffffffff",
"amount": "90000",
"scheme": "exact",
"network": "eip155:1"
}
],
"resource": {
"url": "https://legacy.merchant.test/v1/stale",
"mimeType": "application/json",
"description": "Paid resource at https://legacy.merchant.test/v1/stale"
},
"extensions": {},
"x402Version": 1
}
}
]
},
"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": true,
"findings": [
{
"code": "PAYEE_NOT_EXPECTED",
"detail": "https://legacy.merchant.test/v1/stale pays to an address other than the declared one.",
"resource": "https://legacy.merchant.test/v1/stale"
},
{
"code": "NETWORK_NOT_EXPECTED",
"detail": "https://legacy.merchant.test/v1/stale accepts eip155:1 where eip155:8453 was declared.",
"resource": "https://legacy.merchant.test/v1/stale"
},
{
"code": "AMOUNT_ABOVE_CEILING",
"detail": "https://legacy.merchant.test/v1/stale asks 90000 atomic units, above the declared ceiling of 20000.",
"resource": "https://legacy.merchant.test/v1/stale"
}
],
"resources": [
{
"label": "https://api.merchant.test/v1/score",
"payees": [
"0xa1b2c30000000000000000000000000000009f8e"
],
"version": 2,
"resource": "https://api.merchant.test/v1/score",
"payable_now": true,
"accept_count": 1
},
{
"label": "https://api.merchant.test/v1/enrich",
"payees": [
"0xa1b2c30000000000000000000000000000009f8e"
],
"version": 2,
"resource": "https://api.merchant.test/v1/enrich",
"payable_now": true,
"accept_count": 1
},
{
"label": "https://legacy.merchant.test/v1/stale",
"payees": [
"0xffffffffffffffffffffffffffffffffffffffff"
],
"version": 1,
"resource": "https://legacy.merchant.test/v1/stale",
"payable_now": true,
"accept_count": 1
}
],
"conformant": false,
"request_id": "example-request",
"service_id": "x402_merchant_contract_audit",
"assumptions": [
"Nothing is fetched and nothing is paid. Every challenge is one the caller already captured, which is what makes an arbitrary merchant auditable without any egress.",
"Cross-resource consistency is the point: one merchant whose endpoints pay different addresses, or sit on different networks, is a defect no single-challenge audit can see.",
"Addresses are compared case-insensitively."
],
"limitations": [
"Consistency and conformance across the challenges supplied. Whether each endpoint honours its challenge is not knowable without paying, which this never does.",
"conformant is true only when every challenge decoded, nothing blocking was found, and the estate was internally consistent."
],
"observed_at": "2026-10-02T00:00:00.000Z",
"not_examined": [],
"payment_sent": false,
"finding_count": 9,
"payable_count": 3,
"distinct_payees": [
"0xa1b2c30000000000000000000000000000009f8e",
"0xffffffffffffffffffffffffffffffffffffffff"
],
"service_version": "1.0.0",
"findings_by_code": {
"PAYEE_NOT_EXPECTED": 1,
"AMOUNT_ABOVE_CEILING": 1,
"INPUT_SCHEMA_MISSING": 1,
"NETWORK_NOT_EXPECTED": 1,
"OUTPUT_SCHEMA_MISSING": 1,
"RESOURCE_HOST_NOT_EXPECTED": 1,
"INCONSISTENT_PAYEE_ACROSS_RESOURCES": 1,
"INCONSISTENT_NETWORK_ACROSS_RESOURCES": 1,
"INCONSISTENT_VERSION_ACROSS_RESOURCES": 1
},
"distinct_networks": [
"eip155:1",
"eip155:8453"
],
"distinct_asset_count": 1,
"distinct_payee_count": 2,
"distinct_network_count": 2,
"decoded_challenge_count": 3,
"supplied_challenge_count": 3
}
}
}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 merchant contract audit on api.zfinia.com". https://tollindex.com/e/api-zfinia-com-x402-v1-x402-merchant-contract-audit-2ed7d7. Accessed [access date].
BibTeX
@misc{toll-e-api-zfinia-com-x402-v1-x402-merchant-contract-audit-2ed7d7-2026-10-13,
author = {TOLL},
title = {x402 merchant contract audit on api.zfinia.com},
howpublished = {\url{https://tollindex.com/e/api-zfinia-com-x402-v1-x402-merchant-contract-audit-2ed7d7}},
year = {2026},
month = {10},
note = {Frozen at its last observation, 2026-10-13 14:08 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.