x402 preflight derived
x402-agent-api.onrender.comMarket dataderived
POST https://x402-agent-api.onrender.com/api/v1/x402-preflight
passlisted in Coinbase#6 by calls of 34 on this host
0.003 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
- 5
- Unique payers, trailing 30 days
- 2
- Last called
- 2026-10-13 16:33 UTC
- First observed by TOLLderived
- 2026-10-12
- Pricederived
- 0.003 USDC
- Networks
- 1
How has the volume on this endpoint moved?
x402 preflight is one of 34 listed endpoints on x402-agent-api.onrender.com, tied 6th by calls with 5 others among them.
x402 preflight takes a json body with the fields url and max_price_usd.
A response from x402 preflight, as declared, includes url, usage, pay_to, reasons, verdict, challenge and 2 others.
x402 preflight drew 5 calls from 2 unique payers in the trailing 30 days.
The last call to x402 preflight came 19 days before the snapshot, 2026-10-13.
Per call, x402 preflight declares 0.003 USDC on Base.
2% of the host's counted calls go to it.
x402 preflight, a POST endpoint on x402-agent-api.onrender.com, appears in the Coinbase registry; TOLL's taxonomy puts it in market data.
x402 preflight answered the sweep of 2026-10-30 with a valid 402, as at every sweep since 2026-10-12.
Closest in price to x402 preflight within market data: dev rfc at 2s.io and perp basis at agent402.tools.
Among comparable prices in market data, x402 preflight sits above 20% of them.
Across market data, 10,181 endpoints carry counters and x402 preflight out-counts 73% of them.
The payee wallet is shared by 34 listings on one host.
The seller's tags on x402 preflight are x402, payments, trust and agent-commerce.
996 other listings in market data declare exactly the same price.
the payment options, as of 2026-11-01 13:19 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.003 USDC | exact | 0x684723…0043aC |
the checks, as of 2026-10-30 12:02 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-10-30 12:02 UTC | pass | 0 | daily-2026-10-30 |
| 2026-10-29 11:42 UTC | pass | 0 | daily-2026-10-29 |
| 2026-10-28 12:08 UTC | pass | 0 | daily-2026-10-28 |
| 2026-10-27 11:45 UTC | pass | 0 | daily-2026-10-27 |
| 2026-10-23 12:15 UTC | pass | 0 | daily-2026-10-23 |
| 2026-10-21 21:39 UTC | pass | 0 | daily-2026-10-21 |
| 2026-10-19 11:57 UTC | pass | 0 | daily-2026-10-19 |
| 2026-10-16 09:42 UTC | pass | 0 | daily-2026-10-16 |
| 2026-10-15 11:42 UTC | pass | 0 | daily-2026-10-15 |
| 2026-10-14 09:34 UTC | pass | 0 | daily-2026-10-14 |
| 2026-10-13 14:52 UTC | pass | 0 | daily-2026-10-13 |
| 2026-10-12 11:51 UTC | pass | 0 | daily-2026-10-12 |
| 2026-10-12 05:58 UTC | pass | 0 | new-after-daily-2026-10-12 |
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 2026-10-13 16:33 UTC · method · live
The input and output block
{
"input": {
"body": {
"url": "https://x402-agent-api.onrender.com/api/v1/email-verify",
"max_price_usd": 0.01
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"url": "https://x402-agent-api.onrender.com/api/v1/email-verify",
"usage": {
"calls_30d": 340,
"index_size": 32305,
"last_called_at": "2026-10-12T05:00:00.000Z",
"seller_listings": 22,
"listed_on_bazaar": true,
"seller_calls_30d": 900,
"unique_payers_30d": 12
},
"pay_to": {
"address": "0x6847231bD28E16A0A57c59793f6B8BD8CC0043aC",
"verdict": "no_flags",
"sanctioned": false,
"account_type": "wallet",
"transactions_sent": 12
},
"reasons": [
{
"code": "established",
"message": "12 different wallets paid it in the last 30 days (340 calls).",
"severity": "info"
}
],
"verdict": "ok_to_pay",
"challenge": {
"found": true,
"method": "GET",
"status": 402,
"options": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "1000",
"pay_to": "0x6847231bD28E16A0A57c59793f6B8BD8CC0043aC",
"scheme": "exact",
"network": "eip155:8453",
"testnet": false,
"problems": [],
"price_usd": 0.001,
"network_label": "Base",
"max_timeout_seconds": 300
}
],
"description": "Is this email address real and safe to send to?",
"response_ms": 420,
"cheapest_usd": 0.001,
"x402_version": 2,
"bazaar_declaration": "valid"
},
"disclaimer": "Checks what can be seen without paying; it cannot prove the paid response will be good. Not financial or legal advice.",
"next_calls": []
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-11-01 13:19 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "x402 preflight on x402-agent-api.onrender.com", snapshot of 2026-11-01 13:19 UTC. https://tollindex.com/e/x402-agent-api-onrender-com-api-v1-x402-preflight-dd12fd/at/2026-11-01T13-19Z. Accessed [access date].
BibTeX
@misc{toll-e-x402-agent-api-onrender-com-api-v1-x402-preflight-dd12fd-2026-11-01T13-19Z,
author = {TOLL},
title = {x402 preflight on x402-agent-api.onrender.com},
howpublished = {\url{https://tollindex.com/e/x402-agent-api-onrender-com-api-v1-x402-preflight-dd12fd/at/2026-11-01T13-19Z}},
year = {2026},
month = {11},
note = {Pinned view of the snapshot of 2026-11-01 13:19 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.