x402 census · dev-agent402.throuzlabs.com · 67cd540bfb2f · JSON
GET /x/echo
live
Echoes the caller's query string back. Placeholder for a real product.
Verdict: live. The unpaid GET reached a valid 402 (confirmed by the re-probe of 2026-10-01).
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://dev-agent402.throuzlabs.com/x/echo |
| Method | GET |
| Price | $0.01 USDC = 10000 atomic units of 0x036CbD53842c5426634e7929541eC2318f3dCF7e |
| Network | eip155:84532 (base-sepolia) — testnet |
| payTo | 0xa7b59861cd48ee4384Fd7aC9B27569cE8f0DBBF4 |
| Seller | dev-agent402.throuzlabs.com |
| Catalogs | cdp (row updated 2026-09-06) |
| Listed since (lower bound) | 2026-09-06 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-06 |
| CDP quality counters | 1 calls and 1 unique payers in 30 days, last call 2026-09-06 (catalog-reported, not verified on chain) |
| Category (keyword rule) | dev-tools/utilities |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | none |
Unpaid probe (census of )
| Field | Value |
|---|---|
| Probe | not probed in this build |
Latest re-probe
| Field | Value |
|---|---|
| Re-probed at | 2026-10-01T00:13:18.000Z (cron) |
| Verdict now | live changed from unprobed |
| HEAD / GET | 200 / 402 |
| accepts[0] | {"scheme":"exact","network":"eip155:84532","amount":"10000","payTo":"0xa7b59861cd48ee4384Fd7aC9B27569cE8f0DBBF4","asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","maxTimeoutSeconds":300,"extra":{"name":"USDC","version":"2"}} |
| Live amount equals catalog price | yes |
| Latency | 1,054 ms |
| Error | none |
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": {
"q": "hello"
},
"type": "http"
},
"output": {
"type": "json",
"example": {
"echoed": {
"q": "hello"
},
"servedAt": "2026-01-01T00:00:00.000Z"
}
}
}
Try it (unpaid: shows the 402)
curl -si -X GET 'https://dev-agent402.throuzlabs.com/x/echo' -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/67cd540bfb2f/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"67cd540bfb2f"} 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 dev-agent402.throuzlabs.com.