X4
Security · x402 · early usage
USGS earthquake hazard and historical activity lookup by street address or lat/lon coor…
USGS earthquake hazard and historical activity lookup by street address or lat/lon coordinates.
by x402-service-production-e242.up.railway.app · discovered, not yet claimed by its owner · updated 2026-10-09
30d calls2
30d payers1
MethodGET
Outputjson
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
USGS earthquake hazard and historical activity lookup by street address or lat/lon coordinates.
Tags: bazaar
Call contract
- Method
- GET
- Input
- query parameters
- Output
- json
- Last paid call
- 2026-10-09
Input example from Bazaar metadata
{}Output example
{
"hazard": {},
"historicalActivity": [],
"notes": [
"Hazard values are modeled/probabilistic, not a guarantee of future activity.",
"Site-specific soil/liquefaction risk is not covered by this data."
],
"query": {
"address": null,
"lat": 37.7749,
"lon": -122.4194
},
"resolvedAddress": null,
"source": "USGS Earthquake Hazards Program (Seismic Design Maps + FDSN Event Web Service)"
}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/55030.jsonfor the price and payment options. - Pay. Call
GET https://x402-service-production-e242.up.railway.app/earthquake-risk. 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 Solana, and an x402-capable client (see the examples below). Call the endpoint unpaid first to see exactly what it asks for.
Pricing & payment
- Price
- $0.25 / request
- Protocol
- x402 v2
- Auth
- No account or API key. Pay per request.
- Networks
- Solana
- Demand
- 2 calls · 1 unique payers in 30d (public x402 Bazaar data)
x402 payment requirements
| Scheme | Network | Asset | Amount | Pay to | Timeout |
|---|---|---|---|---|---|
| exact | Solana solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp | USDC | $0.25 | 4JVizZAF12UxgMF1Fi1nqcrfBhuuCpHiRM7o9FFfeGdc | 300s |
accepts[] (raw JSON)
[
{
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "4JVizZAF12UxgMF1Fi1nqcrfBhuuCpHiRM7o9FFfeGdc",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"amount": "250000",
"amountUsd": 0.25,
"maxTimeoutSeconds": 300
}
]Schemas
Output schema (JSON Schema)
{
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}Example shape — generated from the schema, not a captured live response
{
"example": {},
"type": "string"
}Examples
curl
curl -X GET 'https://x402-service-production-e242.up.railway.app/earthquake-risk'
# -> 402 Payment Required; read PAYMENT-REQUIRED
# retry the identical request with PAYMENT-SIGNATUREJavaScript
const res = await fetch("https://x402-service-production-e242.up.railway.app/earthquake-risk", {
"method": "GET"
});
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.request("GET", "https://x402-service-production-e242.up.railway.app/earthquake-risk")
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-service-production-e242.up.railway.app
- Endpoint
- https://x402-service-production-e242.up.railway.app/earthquake-risk
- Machine-readable
/resources/55030.json