Space Satellites

{
  "items": [
    {
      "decayDate": null,
      "intlDesignator": "2019-074A",
      "launchDate": "2019-11-11",
      "launchSite": "AFETR",
      "name": "STARLINK-1007",
      "noradId": 44713,
      "objectType": "PAYLOAD",
      "onOrbit": true,
      "opsStatus": "+",
      "orbit": {
        "apogeeKm": 547,
        "inclinationDeg": 53.05,
        "orbitType": "ORB",
        "perigeeKm": 542,
        "periodMin": 95.6
      },
      "owner": "US",
      "ownerName": "United States",
      "rcsM2": null
    }
  ],
  "ok": true,
  "source": {
    "license": "Public-domain orbital + cataloging data (US Space Force / 18 SDS, redistributed by CelesTrak).",
    "provider": "CelesTrak SATCAT",
    "url": "https://celestrak.org/satcat/"
  },
  "total": 10551
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://2s-rjsw718bb-alleyford.vercel.app/api/space/satellites?limit=3&onOrbit=true&q=starlink'

# 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://2s-rjsw718bb-alleyford.vercel.app/api/space/satellites?limit=3&onOrbit=true&q=starlink' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// 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 $0.0012 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.0012" });
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 $0.0012 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2F2s-rjsw718bb-alleyford.vercel.app%2Fapi%2Fspace%2Fsatellites
const res = await pay("https://2s-rjsw718bb-alleyford.vercel.app/api/space/satellites?limit=3&onOrbit=true&q=starlink");
console.log(res.status, await res.text());

# 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 $0.0012 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.0012"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://2s-rjsw718bb-alleyford.vercel.app/api/space/satellites?limit=3&onOrbit=true&q=starlink")
    print(res.status_code, res.text)