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Vokko PayTo Address Check
x402
Vokko PayTo Address Check is a paid API for AI agents from www.vokko.eu, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-12).
Checks whether a specific Ethereum/USDC address belongs to a given domain's x402 payment endpoint, providing ownership evidence.
Price / call$0.002
Success—
StatusUnknown
How this service works
Does 0x07066ea0e66cf277cd279ed7fbca220ecb41e5a4 belong to allbirds.com? Evidence, not a guarantee. $0.002.
Output
Returns evidence (not a guarantee) of whether the specified Ethereum/USDC address is associated with the given domain's x402 payment configuration. Includes ownership signals and freshness metadata to help assess legitimacy before sending payment.
Example use cases
Pre-payment address legitimacy check
“I'm about to pay a merchant at allbirds.com using x402, but I want to verify first — does the address 0x07066ea0e66cf277cd279ed7fbca220ecb41e5a4 actually belong to their domain? Check if it's their real payment address before I send anything.”
Detect spoofed merchant wallet
“I received a payment request claiming the USDC address 0x07066ea0e66cf277cd279ed7fbca220ecb41e5a4 is for allbirds.com, but it came from a suspicious email. Can you verify whether that address is really associated with allbirds.com?”
Automated payment safety gate
“My shopping agent is about to make an x402 payment to allbirds.com — before it goes through, verify that the payto address 0x07066ea0e66cf277cd279ed7fbca220ecb41e5a4 actually checks out as belonging to that domain.”
Technical details
Endpoint
GEThttps://www.vokko.eu/api/v1/hosts/:domain/payto-check?utm_source=zero.xyzWhen to prefer
Use this endpoint when an agent or user needs to verify that a specific USDC/Ethereum address is the legitimate x402 payment recipient for a given domain before authorizing a payment. Prefer it over simply trusting a merchant-supplied address, especially when the address was received through an indirect channel (email, redirect, third-party) and payment fraud or address substitution is a concern.
Side effects
- Domain not found or not x402-enabled — returns no association data
- Address does not match any known payto configuration for the domain
- Stale cached data may reduce freshness confidence
- Invalid Ethereum address format returns an error
- Network timeout or upstream unavailability
Tags
x402
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