EVM Signature V Classify

api.delx.ai · x402

EVM Signature V Classify: classifies common signature recovery and EIP-155 v values using only bounded caller-supplied values. Call when you need a bounded evm signature v classify result before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or shape findings, and a fail-closed preflight status for EVM Signature V Classify as versioned deterministic JSON. Price: $0.001 USDC via x40…

Name and description as published by x402 Bazaar

Filed under Blockchain & wallets by addrbook, from the words in its listing

Live

Last successful check: 9 Nov 2026, 17:19 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 7 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 15 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 10 Nov 2026, 00:20 UTC by method 2026.10.2, from its recorded evidence. A check that does not apply is left out of the count.

Connect

https://api.delx.ai/api/v1/x402/evm-signature-v-classify

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

Who's behind it

Listed by: x402 Bazaarlast seen 6 Nov, 20:25 UTC
Wallets named: 0x9f8bd9875b3e0b632a24a3a7c73f7787175e73a2named by x402 Bazaar
Proven to belong to it: Nothing yet. Is it yours?
Listed since: 25 Oct 2026, 17:53 UTC

Payments

different wallets paid it, last 30 days: 1
paid calls, last 30 days: 1
last paid call (UTC): 7 Oct, 22:55

As the x402 Bazaar reports, from payments Coinbase's facilitator settled. Read 6 Nov 2026, 20:25 UTC. addrbook has not counted these payments itself.

How it asks to be paid

Network	Price	Paid in	Settled by	Pays to
Base	$0.001	USDC	Per request	0x9f8bd9875b3e0b632a24a3a7c73f7787175e73a2
Base	$0.001	USDC	Per request	0x9f8bd9875b3e0b632a24a3a7c73f7787175e73a2
Solana	$0.001	USDC	Per request	28heAMpFkeUJsL7o7apiK4oJwZWq2fUHinRwbgYYsemG

From its own 402 answer at 9 Nov, 17:19 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.delx.ai	x402	Live	9 Nov, 17:19	9 Nov, 17:19	100%	100%	—

History

27 Oct 2026, 18:12 UTCPayment terms first read: 3 options, from $0.001 on Base.https://api.delx.ai/api/v1/x402/evm-signature-v-classify#525947
26 Oct 2026, 14:41 UTCFirst recorded as answering. (already true when recording began)https://api.delx.ai/api/v1/x402/evm-signature-v-classify#144001
26 Oct 2026, 14:37 UTCListed by the x402 Bazaar. The listing names wallet 0x9f8bd9875b3e0b632a24a3a7c73f7787175e73a2. (already true when recording began)the x402 Bazaar#65959

Its whole history →

Also listed as

Other entries that share an endpoint with this one.

api.delx.ai

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/evm-signature-v-classify-d5557697/badge.svg)](https://addrbook.com/agents/evm-signature-v-classify-d5557697)