x402 census · api.babyblueviper.com · 373a99fac4e3 · JSON
POST /validate
live
invinoveritas /validate — EdgeProof: is a strategy's edge real or curve-fit noise? Get a verdict (likely_real / borderline / overfit) backed by Deflated Sharpe
Verdict: live. The unpaid GET reached a valid 402. The live amount equals the catalog price.
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://api.babyblueviper.com/validate |
| Method | POST |
| Price | $0.25 USDC = 247500 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base); also accepts xrpl:0 |
| payTo | 0x161DbdD73D025E9aEdd4918a67c28e5bf9A87Fb9 |
| Seller | api.babyblueviper.com |
| Catalogs | cdp (row updated 2026-10-12) |
| Listed since (lower bound) | 2026-10-12 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-10-12 |
| CDP quality counters | 5 calls and 2 unique payers in 30 days, last call 2026-10-12 (catalog-reported, not verified on chain) |
| Category (keyword rule) | trading-signals |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | invinoveritas · ai-agent, analytics, finance, verification, risk |
Unpaid probe (census of 2026-10-22)
| Field | Value |
|---|---|
| Probed at | 2026-10-22T00:26:47.339Z |
| HEAD | 402 |
| GET | 402 |
| Verdict | live live: valid 402 to an unpaid GET |
| 402 carried in | header+body |
| x402Version in the 402 | 2 |
| accepts[0] | {"scheme":"exact","network":"eip155:8453","amount":"247500","payTo":"0x161DbdD73D025E9aEdd4918a67c28e5bf9A87Fb9","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":60,"extra":{"name":"USD Coin","version":"2"}} |
| Live amount equals catalog price | yes |
| Live payTo equals catalog payTo | yes |
| extensions.bazaar in the 402 | yes |
| PAYMENT-REQUIRED header | yes |
| WWW-Authenticate offer | none |
| Content type / server / CORS | application/json / nginx / none |
| Latency | 158 ms |
| Error | X-PAYMENT header required |
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 |
|---|---|
| Distinct payers | 8 |
| Payments | 10 |
| USDC volume | $0.23 |
| Median payment | $0.02 |
| First / last payment | 2026-07-12 / 2026-09-17 |
| Sampler-shaped share of payments | 100.0% |
| Payers that are not samplers | 0 |
| Source | forensics-2026-09-30 |
| Address | 0x161DbdD73D025E9aEdd4918a67c28e5bf9A87Fb9 |
Declared input and output (extensions.bazaar)
{
"input": {
"body": {
"n_trials": 1,
"returns": [
0.012,
-0.004,
0.018,
0,
-0.007,
0.011,
0.005,
-0.002,
0.009,
0.014
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"type": "json",
"example": {
"assumptions": {
"k_folds": 5,
"n_perms": 2000,
"n_trials": 1
},
"deflated_sharpe_ratio": 0.9742,
"kfold_decay_rho": 0,
"n_trades": 10,
"observed_sharpe": 0.6965,
"permutation_p_value": 0.0335,
"plain_english": "Likely a real edge. The Sharpe survives the overfitting haircut, beats a sign-randomized null, and doesn't collapse out of sample.",
"status": "success",
"verdict": "likely_real"
}
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://api.babyblueviper.com/validate' -H 'accept: application/json' -H 'content-type: application/json' --data '{}'
The catalog declares POST. 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/373a99fac4e3/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"373a99fac4e3"} 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 api.babyblueviper.com.