Probe any public URL and report if it is an x402 paywall - price, network, payTo, scheme
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.
by x402.agentindex.world · discovered, not yet claimed by its owner · updated 2026-10-07
Mirrored from Coinbase's public x402 Bazaar. The description is the provider's own text and has not been reviewed here; the payment requirements are copied as published.
What it does
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.
Tags: x402 · probe · discovery · paywall · price check · bazaar
Call contract
- Method
- GET
- Input
- query parameters
- Output
- json
- Last paid call
- 2026-10-07
{
"url": "https://x402.shizu.me/weather?lat=48.85&lon=2.35"
}{
"http_status": 402,
"is_x402": true,
"network": "base",
"pay_to": "0x217e5Fe265EB78b29067bF8324ef03a7D8e167C4",
"price_usdc": 0.004,
"reachable": true,
"scheme": "exact",
"url": "https://x402.shizu.me/weather?lat=48.85&lon=2.35",
"x402_version": 1
}Use with an agent
- Discover. Agents find this listing with
GET https://bazaar.saylorinnovations.com/discovery/search?query=…, the MCP toolsearch_resources, or/discovery/resources. - Inspect. Fetch
/resources/33902.jsonfor the price and payment options. - Pay. Call
GET https://x402.agentindex.world/probe. The provider answers402with its payment requirements. An x402 client signs one of the options below and retries withPAYMENT-SIGNATURE. - Execute. The provider returns
200with the data. Agent Bazaar is not in the request path and never sees your payment.
For humans
You don't need an account or an API key; you need a wallet holding a small amount of USDC on Base, and an x402-capable client (see the examples below). Call the endpoint unpaid first to see exactly what it asks for.
Pricing & payment
- Price
- $0.001 / request
- Protocol
- x402 v2
- Auth
- No account or API key. Pay per request.
- Networks
- Base
- Demand
- 3 calls · 3 unique payers in 30d (public x402 Bazaar data)
x402 payment requirements
| Scheme | Network | Asset | Amount | Pay to | Timeout |
|---|---|---|---|---|---|
| exact | Base eip155:8453 | USDC | $0.001 | 0xb3F32bdfe8D07825BC0D7387295aB1D7559BA69d | 300s |
accepts[] (raw JSON)
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0xb3F32bdfe8D07825BC0D7387295aB1D7559BA69d",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "1000",
"amountUsd": 0.001,
"maxTimeoutSeconds": 300
}
]Schemas
Output schema (JSON Schema)
{
"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"
}Example shape — generated from the schema, not a captured live response
{
"example": {
"http_status": 0,
"is_x402": true,
"network": "string",
"pay_to": "string",
"price_usdc": 0,
"reachable": true,
"url": "string",
"x402_receipt": {}
},
"type": "string"
}Examples
curl "https://x402.agentindex.world/probe"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paidconst res = await fetch("https://x402.agentindex.world/probe");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}import httpx
res = httpx.get("https://x402.agentindex.world/probe")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerDetails
- Provider
- x402.agentindex.world
- Endpoint
- https://x402.agentindex.world/probe
- Machine-readable
/resources/33902.json