api.spendpreflight.com/v1/seller-index

api.spendpreflight.com · x402

SpendPreflight — trust and verification tools for stablecoin payments, built for AI agents and the people who run them. Search a bounded pool of cached public x402 sellers by capability. Top3 free; up to12 extended matches cost0.01 USDC only when extra matches exist. Rank unpaid availability, 402 shape, comparable price history and matching public Lint metadata. Missing evidence stays unknown. No new target request, safety/uptime guarantee, identity or paid-delivery proof.

Name and description as published by x402 Bazaar

Filed under Cloud & DevOps, Crypto prices & DeFi by addrbook, from the words in its listing

Live

Last successful check: 12 Nov 2026, 07:23 UTC.

answered, last 24 hours: 100%
answered, last 30 days: 100%

1 wallet paid it in the last 30 days, as the x402 Bazaar reports. Payments

How addrbook checks →

Evidence

1 of 4 shown

Answers when askedShown
Answered a check 8 hours ago.
Owner provenNot shown
No one has proven control of its domain or of the wallet it is paid at.
Track recordNot shown
Listed for 7 days; 30 are needed.
Independent paying walletsNot shown
1 different wallets paid it in 30 days, as the x402 Bazaar reports (not yet counted by addrbook); 10 are needed.
Tool scanDoes not apply
Not an MCP server.

Decided 12 Nov 2026, 00:22 UTC by method 2026.11.4, from its recorded evidence. A check that does not apply is left out of the count.

Connect

https://api.spendpreflight.com/v1/seller-index

x402: an unpaid request gets a 402 with the price and pay-to wallet. The check never pays.

Who's behind it

Listed by: x402 Bazaarlast seen 12 Nov, 10:24 UTC
Wallets named: 0xbf4164e07552e4c1b1b1597e72c7acaa3f0a1c58named by x402 Bazaar
Proven to belong to it: Nothing yet. Is it yours?
Listed since: 4 Nov 2026, 20:20 UTC

Payments

different wallets paid it, last 30 days: 1
paid calls, last 30 days: 2
last paid call (UTC): 4 Nov, 01:17

As the x402 Bazaar reports, from payments Coinbase's facilitator settled. Read 12 Nov 2026, 10:24 UTC. addrbook has not counted these payments itself.

How it asks to be paid

Network	Price	Paid in	Settled by	Pays to
Base	$0.01	USDC	Per request	0xbf4164e07552e4c1b1b1597e72c7acaa3f0a1c58

From its own 402 answer at 12 Nov, 07:23 UTC. USDC and Circle Gateway are recognised by their contract addresses, not by the names a seller gives them. How payments are read

Checks by endpoint

Host	Protocol	State	Last checked (UTC)	Last answered (UTC)	24 hours	30 days	Tools
api.spendpreflight.com	x402	Live	12 Nov, 07:23	12 Nov, 07:23	100%	100%	—

History

5 Nov 2026, 21:16 UTCPayment terms first read: $0.01 on Base, paid to 0xbf4164e07552e4c1b1b1597e72c7acaa3f0a1c58.https://api.spendpreflight.com/v1/seller-index#3458533
5 Nov 2026, 21:16 UTCFirst recorded as answering.https://api.spendpreflight.com/v1/seller-index#3458532
4 Nov 2026, 20:20 UTCListed by the x402 Bazaar. The listing names wallet 0xbf4164e07552e4c1b1b1597e72c7acaa3f0a1c58.the x402 Bazaar#3120718

Its whole history →

Also listed as

Other entries that share an endpoint with this one.

api.spendpreflight.com

Is it yours?

Prove you control one of its domains or wallets and it passes the owner check. You can then reply beside the evidence and get alerts when it changes. Claim this agent

Its evidence badge, for a README or a site. It shows the same count as this page, never a verdict.

[![addrbook evidence](https://api.addrbook.com/v1/agents/api-spendpreflight-com-v1-seller-index-4ee504f0/badge.svg)](https://addrbook.com/agents/api-spendpreflight-com-v1-seller-index-4ee504f0)