developer x402 preflight derived
apiacre.comMarket dataderived
POST https://apiacre.com/v1/developer/x402-preflight
passlisted in Coinbase#8 by calls of 74 on this host
0.05 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
- 3
- Unique payers, trailing 30 days
- 2
- Last called
- 2026-09-01 13:12 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.05 USDC
- Networks
- 2
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 28 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.
With 74 endpoints listed on apiacre.com, developer x402 preflight is tied 8th by calls with 1 other.
The request to developer x402 preflight is a json body with the fields url, body, method, market_limit and market_query.
developer x402 preflight returns json; the example shows data, meta, service, version and request_id.
The registry's counters give developer x402 preflight 3 calls and 2 unique payers over 30 days.
Its last counted call came 14 days before the snapshot.
developer x402 preflight is priced at 0.05 USDC on Base.
2% of the host's counted calls go to it.
For developer x402 preflight the listing declares 2 accepts on Base and Solana, to 2 different wallets.
developer x402 preflight is a POST endpoint at apiacre.com, listed in the Coinbase registry and filed by TOLL under market data.
developer x402 preflight answered the sweep of 2026-09-15 with a valid 402, as at every sweep since 2026-09-11.
Closest in price to developer x402 preflight within market data: distribution balance exchanges relative at x402.glassnode.com and smart money netflow at api.nansen.ai.
developer x402 preflight is priced above 77% of comparable listings in market data.
Across market data, 5,172 endpoints carry counters and developer x402 preflight out-counts 59% of them.
The wallet paid by developer x402 preflight is the payee of 74 endpoints on one host.
The seller's tags on developer x402 preflight are developer, research, x402 and payment.
Exactly this price appears on 432 other listings in market data.
the payment options, as of 2026-09-15 16:57 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.05 USDC | exact | 0xa0BFa4…24869B |
| Coinbase | solana: | USDC | 0.05 USDC | exact | B4CHWQeQ…3HDLan |
the checks, as of 2026-09-15 05:00 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 05:00 UTC | pass | 0 | daily-2026-09-15 |
| 2026-09-14 04:51 UTC | pass | 0 | daily-2026-09-14 |
| 2026-09-13 04:50 UTC | pass | 0 | daily-2026-09-13 |
| 2026-09-12 07:06 UTC | pass | 0 | daily-2026-09-12 |
| 2026-09-11 10:45 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 2026-09-01 13:12 UTC · method · live
The input and output block
{
"input": {
"body": {
"url": "https://apiacre.com/v1/developer/openapi-audit",
"body": {
"format": "json",
"document": "{\"openapi\":\"3.1.0\",\"info\":{\"title\":\"Example\",\"version\":\"1..."
},
"method": "POST",
"market_limit": 1,
"market_query": "audit"
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"data": {
"url": "https://apiacre.com/v1/developer/openapi-audit",
"grade": "A",
"score": 100,
"checks": [
{
"id": "http_402",
"passed": true,
"message": "Return HTTP 402 before payment.",
"severity": "high"
}
],
"method": "POST",
"payment": {
"scheme": "exact",
"network": "eip155:8453",
"version": 2,
"acceptsCount": 1
},
"finalUrl": "https://apiacre.com/v1/developer/openapi-audit",
"checkedAt": "2026-08-09T00:00:00+00:00",
"compliant": true,
"elapsedMs": 128,
"statusCode": 402,
"limitations": "One unpaid target request only; no payment is signed and ...",
"remediation": [],
"gradeVersion": "apiacre-x402-preflight/1",
"directoryEvidence": {
"market": {
"query": "audit",
"status": "ok",
"returned": 1,
"totalMatches": 31
},
"source": {
"url": "https://x402-list.com",
"name": "x402 List",
"apiUrl": "https://x402-list.com/api/v1/services",
"documentationUrl": "https://x402-list.com/api"
},
"target": {
"status": "matched",
"hostname": "apiacre.com",
"matchCount": 1,
"matchMethod": "exact_host"
},
"version": "apiacre-x402-directory-evidence/1"
}
},
"meta": {
"cached": false,
"sources": [],
"warnings": [],
"duration_ms": 42,
"next_actions": []
},
"service": "developer.x402-preflight",
"version": "1",
"request_id": "018f1f54-7f38-7ba2-8dc3-5f90272d9f1a"
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-09-15 16:57 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "developer x402 preflight on apiacre.com", snapshot of 2026-09-15 16:57 UTC. https://tollindex.com/e/apiacre-com-v1-developer-x402-preflight-637071/at/2026-09-15T16-57Z. Accessed [access date].
BibTeX
@misc{toll-e-apiacre-com-v1-developer-x402-preflight-637071-2026-09-15T16-57Z,
author = {TOLL},
title = {developer x402 preflight on apiacre.com},
howpublished = {\url{https://tollindex.com/e/apiacre-com-v1-developer-x402-preflight-637071/at/2026-09-15T16-57Z}},
year = {2026},
month = {9},
note = {Pinned view of the snapshot of 2026-09-15 16:57 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.