Agent Exchange x402 census and directory

x402 census · smx.space · c58b93aa0dae · JSON

GET /smi-api/history

unprobed

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 endorse…

Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.

Facts from the catalogs

FieldValue
URLhttps://smx.space/smi-api/history
MethodGET
Price$0.01 USDC = 10000 atomic units of 0x036CbD53842c5426634e7929541eC2318f3dCF7e
Networkeip155:84532 (base-sepolia) — testnet
payTo0x5799fe0715C04f479f7f80Fbe6C4CFb384A8E0e9
Sellersmx.space
Catalogscdp (row updated 2026-09-29)
Listed since (lower bound)2026-09-29 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-29
CDP quality counters2 calls and 1 unique payers in 30 days, last call 2026-09-29 (catalog-reported, not verified on chain)
Category (keyword rule)dev-tools/utilities
Templated pathno
x402Version in catalog2
Service name / tagsSpace Markets Index (SMI) · smx, testnet, base-sepolia, space-markets, launch-data

Unpaid probe (census of )

FieldValue
Probenot probed in this build

No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.

On-chain facts for the payTo (public address)

FieldValue
Settlement historyunresolved: payTo not seen in the payer forensics (180 wallets' outbound history) or the Blockscout sample

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {},
  "type": "http"
 },
 "output": {
  "type": "json",
  "example_truncated": true,
  "chars": 433
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://smx.space/smi-api/history' -H 'accept: application/json'

The catalog declares GET. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.

Paid checks (x402, USDC on Base)

GET https://bazaar.agentexchange.work/r/c58b93aa0dae/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"c58b93aa0dae"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.

Catalog references: agentic.market (CDP Bazaar front end) · this record as JSON · all resources on smx.space.