x402 census · api.carbon-cashmere.de · 42f7029c7bb6 · JSON
GET /v1/bittensor-derivatives/subnet/:netuid/coordination
402-malformed
Neutral Bittensor subnet concentration & synchrony metrics: stake/emission concentration, validator dominance, update-synchrony with 7d comparison. Informational research data — not investment advice.
Verdict: not verified by an unpaid GET. 402 without a usable accepts list. This says nothing about whether the route works when called as declared.
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://api.carbon-cashmere.de/v1/bittensor-derivatives/subnet/:netuid/coordination |
| Method | GET |
| Price | $0.10 USDC = 100000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base); also accepts eip155:137, eip155:42161, eip155:480, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp, algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=, stellar:pubnet |
| payTo | 0xf8b2dD46542175AD46e14e6133340E652665F2Ee |
| Seller | api.carbon-cashmere.de |
| Catalogs | cdp (row updated 2026-10-18) |
| Listed since (lower bound) | 2026-10-18 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-10-18 |
| CDP quality counters | 1 calls and 1 unique payers in 30 days, last call 2026-10-18 (catalog-reported, not verified on chain) |
| Category (keyword rule) | research/reports |
| Templated path | yes: contains :param or {param}; probed as listed |
| x402Version in catalog | 2 |
| Service name / tags | none |
Unpaid probe (census of 2026-10-22)
| Field | Value |
|---|---|
| Probed at | 2026-10-22T00:23:09.244Z |
| HEAD | 402 |
| GET | 402 |
| Verdict | 402-malformed 402 without a usable accepts list |
| 402 carried in | none |
| 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 / nginx / none |
| Latency | 697 ms |
| Error | Payment 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 | 13 |
| Payments | 23 |
| USDC volume | $0.78 |
| Median payment | $0.02 |
| First / last payment | 2026-06-24 / 2026-09-29 |
| Sampler-shaped share of payments | 100.0% |
| Payers that are not samplers | 0 |
| Source | forensics-2026-09-30 |
| Address | 0xf8b2dD46542175AD46e14e6133340E652665F2Ee |
Declared input and output (extensions.bazaar)
{
"input": {
"method": "GET",
"pathParams": {
"netuid": "1"
},
"type": "http"
},
"output": {
"type": "json",
"example": {}
}
}
Try it (unpaid: shows the 402)
curl -si -X GET 'https://api.carbon-cashmere.de/v1/bittensor-derivatives/subnet/:netuid/coordination' -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/42f7029c7bb6/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"42f7029c7bb6"} 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.carbon-cashmere.de.