The service's listing describes it this way: Check an x402 seller before you pay it. Probes the endpoint now, checks that its payment can actually succeed (token EIP-712 domain, payTo), and adds its 30-day uptime from our monitor of paid Bazaar listings, how many distinct buyers paid it, and how its price compares with similar listings, with cheaper well-used alternatives. Returns a verdict (ok, caution, avoid) with the reasons. Website
A service is a tool an AI agent pays to call. x402 Preflight is listed on this page under Other, settling on Base, through x402. 30-day settled volume on this page is $0.03. The listing comes from the service catalog. Open a row for payments, payers, and chains. See Bazaar, agent payment use cases, and the methodology.
FacilitatorsCoinbase
Payee
- 0xe6f7…c3f8Base
- 0xf164…f8a5Base
Methodology · settled volume through 2026-10-31 · catalog Oct 31, 2026, 4:02 PM UTC
| Metric | 24h | 7d | 30d |
|---|---|---|---|
| Volume | $0.60 | $0.03 | $0.03 |
| Payments | 226 | 18 | 18 |
| Payers | 37 | 6 | 6 |
| Avg payment | $0.0027 | $0.0018 | $0.0018 |
| Share of Other | 0.9% | 0.0% | 0.0% |
| Use-case rank | #19 | #377 | #484 |
Payers can be counted more than once when they paid through more than one facilitator.
Settled volume
$0.03
Weekly change from Nov 7
Payments
18
7d
Payers
6
7d
Avg payment
$0.0018
volume / payments
Daily settled volume for x402 Preflight
Data through Oct 31, 2026. Source: public settlement logs. Methodology
| Time | Daily settled volume for x402 Preflight |
|---|---|
| 2026-10-29 | $0.00 |
| 2026-10-30 | $0.06 |
| 2026-10-31 | $0.58 |
Payers
Daily buyers for x402 Preflight
| Time | Daily buyers for x402 Preflight |
|---|---|
| 2026-10-29 | 2 |
| 2026-10-30 | 25 |
| 2026-10-31 | 26 |
Buyer concentration
85.9%
Top payer's share of lifetime volume. Not the period selected above.
Repeat buyers
85.7%
Lifetime buyers with more than one payment, divided by all buyers.
Endpoints and prices
Price, network, and asset come from the x402 Bazaar catalog.
| Endpoint | Network | Asset | Price | Scheme |
|---|---|---|---|---|
| https://preflight.kagurazaka.dev/v1/preflight Check an x402 seller before you pay it. Probes the endpoint now, checks that its payment can actually succeed (token EIP-712 domain, payTo), and adds its 30-day uptime from our monitor of paid Bazaar listings, how many distinct buyers paid it, and how its price compares with simi | base | USDC | $0.002 | exact |
| https://preflight.kagurazaka.dev/v1/preflight Check an x402 seller before you pay it. Probes the endpoint now, checks that its payment can actually succeed (token EIP-712 domain, payTo), and adds its 30-day uptime from our monitor of paid Bazaar listings, how many distinct buyers paid it, and how its price compares with simi | base | USDC | $0.002 | exact |
Payment processors used
| Processor | Volume | Tx | Share |
|---|---|---|---|
| Coinbasex402 | $0.64 | 244 | 100.0% |
Other services in Other
All in this use case- Pocket Network#1 · $181.52 30d
- StableStudio#2 · $126.23 30d
- api.messari.io#3 · $63.85 30d
- SolEnrich#4 · $59.35 30d
- Arkham x402#5 · $54.20 30d
How we count x402 Preflight
We read settlements directly from each chain's public records and refresh them every few minutes.
Data through 2026-10-31. Source: public settlement logs.
Cite this
APA
Agent GDP. (2026). x402 Preflight [Data set]. Retrieved October 31, 2026, from https://agentgdp.io/service/preflight.kagurazaka.dev.
MLA
"x402 Preflight." Agent GDP, 31 Oct. 2026, https://agentgdp.io/service/preflight.kagurazaka.dev.
BibTeX
@misc{agentgdp_x402_preflight_2026,
author = {{Agent GDP}},
title = {x402 Preflight},
year = {2026},
url = {https://agentgdp.io/service/preflight.kagurazaka.dev},
note = {Retrieved October 31, 2026. Data through 2026-10-31. Licensed under CC BY 4.0.},
license = {https://creativecommons.org/licenses/by/4.0/}
}Plain text
x402 Preflight: $0.03 settled volume (7d), 18 payments, 6 buyers. Agent GDP, data through 2026-10-31. https://agentgdp.io/service/preflight.kagurazaka.dev Retrieved October 31, 2026.
Data from Agent GDP (https://agentgdp.io/service/preflight.kagurazaka.dev), licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/).
Payers on a day can be counted more than once if they paid through more than one facilitator. Weekly change compares the last 7 full days with the 7 days before, once both weeks are fully covered on this service's networks; other periods compare with the previous period of the same length. The page link uses the service's site when we have one, and the payee address otherwise.
Volume and payment counts include earlier days. Transaction-level detail available from arc from October 26, 2026, base from October 23, 2026, polygon from October 27, 2026, solana from April 12, 2026, tempo from June 22, 2026.
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