Space Asteroids
by Data Lookup API in Other
Near-Earth asteroids (NEOs) making their closest approach to Earth on a given date (default: today), sorted by distance -- also called close-approach or flyby data. Includes each asteroid's estimated size, relative velocity, and miss distance. Sourced from NASA JPL's Near Earth Object Web Service (NeoWs).
https://x402-seller.onrender.com/space/asteroids- Price
- $0.001
- per call in USDC
- Uptime
- 100%
- last 30 days
- Response time
- 196 ms
- 422 ms slowest 5%
- Last check
- Passed
- 3 h ago, next any minute now
Reliability
Status and outage history · Atom feed · Watch with other listings
How to call it
GET https://x402-seller.onrender.com/space/asteroids
Each call costs $0.001 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.
GET https://x402-seller.onrender.com/space/asteroids?date=2026-07-16Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
date | string | No | YYYY-MM-DD, defaults to today |
Example response
The provider's example. We can't check it without paying.
{
"asteroids": [
{
"diameterKmMax": 0.43,
"diameterKmMin": 0.19,
"hazardous": false,
"missDistanceKm": 4576123.9,
"name": "465633 (2009 JR5)",
"velocityKph": 28123.5
}
],
"count": 1,
"date": "2026-07-16",
"source": "NASA JPL Near Earth Object Web Service (NeoWs)"
}Call it from code
The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.001.
curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://x402-seller.onrender.com/space/asteroids?date=2026-07-16'
# 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 - 'https://x402-seller.onrender.com/space/asteroids?date=2026-07-16' \
| 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 $0.001 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.001" });
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 $0.001 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fx402-seller.onrender.com%2Fspace%2Fasteroids
const res = await pay("https://x402-seller.onrender.com/space/asteroids?date=2026-07-16");
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 $0.001 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.001"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))
with x402_requests(client) as session:
res = session.get("https://x402-seller.onrender.com/space/asteroids?date=2026-07-16")
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 |
|---|---|---|---|---|
| 3 h ago | Passed | 402 | 204 ms | $0.001 |
| 6 h ago | Passed | 402 | 171 ms | $0.001 |
| 9 h ago | Passed | 402 | 180 ms | $0.001 |
| 14 h ago | Passed | 402 | 242 ms | $0.001 |
| 20 h ago | Passed | 402 | 191 ms | $0.001 |
Show 10 older checks
| 25 h ago | Passed | 402 | 233 ms | $0.001 |
| 30 h ago | Passed | 402 | 180 ms | $0.001 |
| 35 h ago | Passed | 402 | 195 ms | $0.001 |
| 41 h ago | Passed | 402 | 194 ms | $0.001 |
| 46 h ago | Passed | 402 | 211 ms | $0.001 |
| 2 days ago | Passed | 402 | 196 ms | $0.001 |
| 2 days ago | Passed | 402 | 188 ms | $0.001 |
| 3 days ago | Passed | 402 | 188 ms | $0.001 |
| 3 days ago | Passed | 402 | 410 ms | $0.001 |
| 3 days ago | Passed | 402 | 401 ms | $0.001 |