Pre-settlement merchant screen
Pre-settlement merchant screen: signed ALLOW/WARN/BLOCK on (domain, payTo, price) before you settle. Queries are logged (domain, payTo, price); screening is not covert — the merchant sees the probe. Full disclosure: https://x402.payperbyte.io/feeds
Answeringour last check, 2026-09-24
1 of 1checks answered this week
691 msmedian answer time
$0.1listed price per call
$0.1price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://x402.payperbyte.io/feeds/merchant-screen
| Category | Commerce and shopping |
|---|---|
| Provider host | x402.payperbyte.io |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.1 | 691 ms |
Example input (from the provider)
{
"body": {
"address": "0x1111111111111111111111111111111111111111",
"chain": "base",
"domain": "example.com",
"observed_price_atomic": "150000"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"address": {
"description": "Optional \u2014 the payTo the agent observed.",
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"chain": {
"default": "base",
"enum": [
"base"
],
"type": "string"
},
"domain": {
"description": "The merchant host the agent is about to pay.",
"type": "string"
},
"observed_price_atomic": {
"description": "Optional \u2014 atomic USDC price quoted to the agent. STRING (may exceed 2^53; a JSON number is rejected upstream).",
"pattern": "^[0-9]+$",
"type": "string"
}
},
"required": [
"domain"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}