Probe any public URL and report if it is an x402 paywall
Probe any public URL and report if it is an x402 paywall - price, network, payTo, scheme. Shop paywalls before you spend. Try GET /probe/sample.
Answeringour last check, 2026-09-25
1 of 1checks answered this week
1160 msmedian answer time
$0.001listed price per call
$0.001price 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
GET https://x402.agentindex.world/probe
| Category | Market data |
|---|---|
| Provider host | x402.agentindex.world |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 0 from 0 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-25 | valid payment request | 402 | $0.001 | 1160 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"url": "https://x402.shizu.me/weather?lat=48.85&lon=2.35"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"method": {
"description": "HTTP method to use (GET default, or POST).",
"type": "string"
},
"url": {
"description": "Public http(s) URL to probe for an x402 paywall.",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"http_status": {
"type": "integer"
},
"is_x402": {
"type": "boolean"
},
"network": {
"type": "string"
},
"pay_to": {
"type": "string"
},
"price_usdc": {
"type": "number"
},
"reachable": {
"type": "boolean"
},
"url": {
"type": "string"
},
"x402_receipt": {
"type": "object"
}
},
"required": [
"url",
"reachable",
"is_x402"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}