Site Selection
by US Site Selection in Markets & finance
Rank U.S. locations using buyer-defined Census and economic criteria, including demographics, housing, jobs, wages, GDP, employer activity, industry specialization and optional target-market sizing. Scores are transparent and based only on the criteria and weights supplied.
https://agent-vending-production.up.railway.app/v1/site-selection- Price
- $0.01
- per call in USDC
- Uptime
- 100%
- last 30 days
- Response time
- 345 ms
- 443 ms slowest 5%
- Last check
- Passed
- 4 h ago, next any minute now
Reliability
Status and outage history · Atom feed · Watch with other listings
How to call it
POST https://agent-vending-production.up.railway.app/v1/site-selection
Each call costs $0.01 in USDC on Base, paid with the request over x402.
Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.
Example request
From the listing.
POST https://agent-vending-production.up.railway.app/v1/site-selection
content-type: application/json
{
"criteria": [
{
"metric": "median_household_income",
"preference": "higher"
},
{
"metric": "average_annual_pay",
"preference": "lower"
},
{
"metric": "qcew_employment_growth_5y",
"preference": "higher"
},
{
"metric": "laus_unemployment_rate",
"preference": "lower"
},
{
"metric": "employer_establishments_per_1000_residents",
"preference": "higher"
}
],
"data_scope": "census_and_economy",
"locations": [
"Ventura County, CA",
"Orange County, CA",
"San Diego County, CA"
],
"mode": "candidate"
}Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
balance_categories | boolean | No | Default true |
candidates | array of object | No | |
category_weights | object | No | Optional weight per active category (DEMOGRAPHICS, INCOME, HOUSING, WORKFORCE, EDUCATION, HEALTH_COVERAGE, TARGET_MARKET); normalized to 1 |
criteria | array of object | Yes | |
data_scope | string | No | Default "census" One of: census, census_and_economy. |
filters | array of object | No | Optional hard filters applied before ranking |
include_latest_context | boolean | No | Not used in SiteScore |
locations | array | No | Alias of candidates ("County, ST" or FIPS allowed) |
mode | string | No | One of: candidate, search. |
percentile_universe | string | No | One of: national, state. |
scoring_reference_period | string | No | One of: 2023. |
search | object | No | |
target_industry | object | No | |
target_market | object | No | Optional (CANDIDATE mode, <= 10 candidates): Market Size household criteria, use "supplemental" (default) or "scoring" |
top_n | integer | No | SEARCH mode; default 10 |
vintage | string | No | One of: ACS 2023 5-Year. |
Example response
The provider's example. We can't check it without paying.
Example response, 45 lines
{
"data_scope": "census_and_economy",
"methodology": {
"score_meaning": "Relative fit under the buyer's supplied criteria and weights."
},
"mode": "CANDIDATE",
"results": [
{
"category_contributions": {
"BUSINESS_ACTIVITY": 22.4185,
"LOCAL_LABOR_MARKET": 12.0741,
"REGIONAL_INCOME": 24.507,
"WAGES": 0.728
},
"category_scores": {
"BUSINESS_ACTIVITY": 89.67,
"LOCAL_LABOR_MARKET": 48.3,
"REGIONAL_INCOME": 98.03,
"WAGES": 2.91
},
"close_score": false,
"explanation": [
"Ranked #1 under supplied criteria (SiteScore 59.73 of 100)."
],
"geography": {
"geo_type": "county",
"geoid": "06059",
"name": "Orange County, California"
},
"metrics": {
"average_annual_pay": {
"contribution": 0.728,
"percentile": 97.09,
"reference_period": "2023",
"value": 77892
}
},
"rank": 1,
"site_score": 59.73
}
],
"scoring_reference_period": 2023,
"site_selection_version": "2.0",
"status": "OK"
}Call it from code
The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.01.
curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://agent-vending-production.up.railway.app/v1/site-selection' \
-H 'content-type: application/json' \
--data-raw '{"criteria":[{"metric":"median_household_income","preference":"higher"},{"metric":"average_annual_pay","preference":"lower"},{"metric":"qcew_employment_growth_5y","preference":"higher"},{"metric":"laus_unemployment_rate","preference":"lower"},{"metric":"employer_establishments_per_1000_residents","preference":"higher"}],"data_scope":"census_and_economy","locations":["Ventura County, CA","Orange County, CA","San Diego County, CA"],"mode":"candidate"}'
# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://agent-vending-production.up.railway.app/v1/site-selection' \
-H 'content-type: application/json' \
--data-raw '{"criteria":[{"metric":"median_household_income","preference":"higher"},{"metric":"average_annual_pay","preference":"lower"},{"metric":"qcew_employment_growth_5y","preference":"higher"},{"metric":"laus_unemployment_rate","preference":"lower"},{"metric":"employer_establishments_per_1000_residents","preference":"higher"}],"data_scope":"census_and_economy","locations":["Ventura County, CA","Orange County, CA","San Diego County, CA"],"mode":"candidate"}' \
| grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decodeJavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";
// Pays at most $0.01 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.01" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);
// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.01 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fagent-vending-production.up.railway.app%2Fv1%2Fsite-selection&method=POST
const res = await pay("https://agent-vending-production.up.railway.app/v1/site-selection", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({
"criteria": [
{
"metric": "median_household_income",
"preference": "higher"
},
{
"metric": "average_annual_pay",
"preference": "lower"
},
{
"metric": "qcew_employment_growth_5y",
"preference": "higher"
},
{
"metric": "laus_unemployment_rate",
"preference": "lower"
},
{
"metric": "employer_establishments_per_1000_residents",
"preference": "higher"
}
],
"data_scope": "census_and_economy",
"locations": [
"Ventura County, CA",
"Orange County, CA",
"San Diego County, CA"
],
"mode": "candidate"
}),
});
console.log(res.status, await res.text());Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client
# Pays at most $0.01 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.01"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))
with x402_requests(client) as session:
res = session.post(
"https://agent-vending-production.up.railway.app/v1/site-selection",
json={
"criteria": [
{
"metric": "median_household_income",
"preference": "higher",
},
{
"metric": "average_annual_pay",
"preference": "lower",
},
{
"metric": "qcew_employment_growth_5y",
"preference": "higher",
},
{
"metric": "laus_unemployment_rate",
"preference": "lower",
},
{
"metric": "employer_establishments_per_1000_residents",
"preference": "higher",
},
],
"data_scope": "census_and_economy",
"locations": [
"Ventura County, CA",
"Orange County, CA",
"San Diego County, CA",
],
"mode": "candidate",
},
)
print(res.status_code, res.text)Security scan
No findings
We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.
Recent checks
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 4 h ago | Passed | 402 | 339 ms | $0.01 |
| 9 h ago | Passed | 402 | 347 ms | $0.01 |
| 13 h ago | Passed | 402 | 355 ms | $0.01 |
| 18 h ago | Passed | 402 | 330 ms | $0.01 |
| 22 h ago | Passed | 402 | 360 ms | $0.01 |
Show 10 older checks
| 26 h ago | Passed | 402 | 443 ms | $0.01 |
| 30 h ago | Passed | 402 | 344 ms | $0.01 |
| 35 h ago | Passed | 402 | 359 ms | $0.01 |
| 39 h ago | Passed | 402 | 348 ms | $0.01 |
| 43 h ago | Passed | 402 | 342 ms | $0.01 |
| 47 h ago | Passed | 402 | 350 ms | $0.01 |
| 2 days ago | Passed | 402 | 336 ms | $0.01 |
| 2 days ago | Passed | 402 | 340 ms | $0.01 |
| 3 days ago | Passed | 402 | 368 ms | $0.01 |
| 3 days ago | Passed | 402 | 344 ms | $0.01 |