75trust / 100

Smi Api History

by Space Markets Index (SMI) in Markets & finance

x402 APIPassing, checked 11 min ago

Space Markets Index (SMI), published by Space Markets, Inc.: orbital launch activity from public data. Weekly 2026 launch series, per-launch records (rocket, mission, payloads, mass status) and SMI prints, as small JSON. Each read costs $0.01 test USDC via x402 on Base Sepolia (testnet). Data: GCAT (J. McDowell, planet4589.org), CC BY 4.0, modified by Space Markets. Not affiliated with or endorsed by SpaceX. Data only, not advice. Free: https://smx.space/smi-api/latest

GET
https://smx.space/smi-api/history
Price
$0.01
per call in USDC
Uptime
100%
last 30 days
Response time
320 ms
546 ms slowest 5%
Last check
Passed
11 min ago, next in 17 min

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

Status and outage history · Atom feed

How to call it

GET https://smx.space/smi-api/history

Each call costs $0.01 in USDC on Base Sepolia, 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://smx.space/smi-api/history

Example response

The provider's example. We can't check it without paying.

Example response, 27 lines
{
  "attribution": {
    "dataset": "GCAT",
    "license": "CC BY 4.0",
    "notice": "Not affiliated with or endorsed by SpaceX. Data only, not advice."
  },
  "print_id": "2026-W39.r5",
  "schema_version": "smx.api.smi.history.v1",
  "totals": {
    "launches_in_series": 233,
    "weeks": 39,
    "ytd_launches": 233
  },
  "weeks": [
    {
      "launches": 12,
      "week": "2026-W38",
      "week_start": "2026-09-14"
    },
    {
      "launches": 2,
      "week": "2026-W39",
      "week_start": "2026-09-21"
    }
  ],
  "year": 2026
}

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 'https://smx.space/smi-api/history'

# 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://smx.space/smi-api/history' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: 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%2Fsmx.space%2Fsmi-api%2Fhistory
const res = await pay("https://smx.space/smi-api/history");
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.get("https://smx.space/smi-api/history")
    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

WhenResultHTTPTimePrice
11 min agoPassed402284 ms$0.01
4 h agoPassed402437 ms$0.01
8 h agoPassed402293 ms$0.01
13 h agoPassed402472 ms$0.01
17 h agoPassed402295 ms$0.01
Show 10 older checks
21 h agoPassed402302 ms$0.01
26 h agoPassed402302 ms$0.01
30 h agoPassed402314 ms$0.01
34 h agoPassed402555 ms$0.01
38 h agoPassed402414 ms$0.01
41 h agoPassed402324 ms$0.01
45 h agoPassed402439 ms$0.01
2 days agoPassed402307 ms$0.01
2 days agoPassed402326 ms$0.01
2 days agoPassed402416 ms$0.01