x402 census · www.mahastrategies.com · 0bd4442d3402 · JSON
POST /api/v1/micro/biology-research-dose-response-fit
open
Fit normalized assay responses using a fixed-bottom/top logit-linear Hill model. Return half-response, slope and residuals; no dosing or nonlinear-fit guarantee.
Verdict: not verified by an unpaid GET. 200: serves without a payment challenge. This says nothing about whether the route works when called as declared.
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://www.mahastrategies.com/api/v1/micro/biology-research-dose-response-fit |
| Method | POST |
| Price | $0.10 USDC = 105000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base); also accepts eip155:42161 |
| payTo | 0xec84c1cd6602bbe387bc8e6f0d3c062f2762de28 |
| Seller | www.mahastrategies.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 | 1 calls and 1 unique payers in 30 days, last call 2026-10-12 (catalog-reported, not verified on chain) |
| Category (keyword rule) | research/reports |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | Research dose-response fit · biology, science, calculator, bounded-computation, evidence |
Unpaid probe (census of 2026-10-22)
| Field | Value |
|---|---|
| Probed at | 2026-10-22T00:17:03.020Z |
| HEAD | 200 |
| GET | 200 |
| Verdict | open 200: serves without a payment challenge |
| 402 carried in | n/a |
| x402Version in the 402 | n/a |
| accepts[0] | none |
| Live amount equals catalog price | not comparable |
| Live payTo equals catalog payTo | not comparable |
| extensions.bazaar in the 402 | no |
| PAYMENT-REQUIRED header | no |
| WWW-Authenticate offer | none |
| Content type / server / CORS | application/json / Vercel / * |
| Latency | 288 ms |
| Error | none |
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 | 3 |
| Payments | 3 |
| USDC volume | $0.003 |
| Median payment | $0.001 |
| First / last payment | 2026-08-10 / 2026-09-11 |
| Sampler-shaped share of payments | 100.0% |
| Payers that are not samplers | 0 |
| Source | forensics-2026-09-30 |
| Address | 0xec84c1cd6602bbe387bc8e6f0d3c062f2762de28 |
Declared input and output (extensions.bazaar)
{
"input": {
"body": {
"dataClass": "synthetic",
"dose": [
1,
2,
4,
8
],
"normalizedResponse": [
0.2,
0.3333333333333333,
0.5,
0.6666666666666666
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"type": "json",
"example_truncated": true,
"chars": 962
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://www.mahastrategies.com/api/v1/micro/biology-research-dose-response-fit' -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/0bd4442d3402/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"0bd4442d3402"} 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 www.mahastrategies.com.