x402 census · api.groundtruths.xyz · e59302a9ef3c · JSON
GET /x402/v1/flag
unprobed
GROUNDTRUTH creator record: launches, rugged, died, active, survived, graduated, and the observed-only baseline the known_bad line is drawn from.
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
| Field | Value |
|---|---|
| URL | https://api.groundtruths.xyz/x402/v1/flag |
| Method | GET |
| Price | $0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| payTo | 0x90a5Feb81C67FB70508158A81598363c560Cba29 |
| Seller | api.groundtruths.xyz |
| Catalogs | cdp (row updated 2026-09-24), payai (row updated 2026-09-30) |
| Listed since (lower bound) | 2026-09-24 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-30 |
| CDP quality counters | 1 calls and 1 unique payers in 30 days, last call 2026-09-24 (catalog-reported, not verified on chain) |
| Category (keyword rule) | crypto-data |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | GROUNDTRUTH · crypto, defi, solana, base, rug-detection |
Unpaid probe (census of )
| Field | Value |
|---|---|
| Probe | not 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)
| Field | Value |
|---|---|
| Settlement history | unresolved: 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": {
"addr": "0xdfe781868f58901c45c9507cc776be8c2f1c18dd"
},
"type": "http"
},
"output": {
"type": "json",
"example": {
"active": 7,
"asof": "2026-09-19T15:54:11Z",
"chain": "rh",
"creator": "0xdfe781868f58901c45c9507cc776be8c2f1c18dd",
"died": 367,
"failure_rate": 0.9974,
"known_bad": false,
"launched": 856,
"resolved": 380,
"rug_rate": 0.0316,
"rugged": 12,
"survived": 1
}
}
}
Try it (unpaid: shows the 402)
curl -si -X GET 'https://api.groundtruths.xyz/x402/v1/flag' -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/e59302a9ef3c/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"e59302a9ef3c"} 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: PayAI listing status · agentic.market (CDP Bazaar front end) · this record as JSON · all resources on api.groundtruths.xyz.