x402 census · store.agentexchange.work · 3a46fc9de4c5 · JSON
GET /chain/block
unprobed
The full header of any block — timestamp and age, transaction count, gas used vs limit with a utilization ratio and a congested flag, base fee in gwei, miner and parent hash — via eth_getBlockByNumber, across Base, Ethereum, Optimism, Arbitrum, Polygon, Gnosis. /chain/block-number tells an agent WHERE the chain is; this tells it WHEN that block happened and how contested it was, which is the read…
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://store.agentexchange.work/chain/block |
| Method | GET |
| Price | $0.09 USDC = 90000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | base (base); also accepts solana |
| payTo | 0xc91cE6291eDC0713ec753BAFBA002506ffb2b95c |
| Seller | store.agentexchange.work |
| Catalogs | store |
| Listed since (lower bound) | unknown |
| Last catalog update | unknown |
| CDP quality counters | not in the CDP catalog |
| Category (keyword rule) | chain-rpc |
| Templated path | no |
| x402Version in catalog | 1 |
| Service name / tags | Block Header (timestamp, congestion, base fee) · onchain, rpc, block, header, timestamp, base-fee, congestion, indexing, settlement, data-feed |
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 |
|---|---|
| Distinct payers | 169 |
| Payments | 827 |
| USDC volume | $14.40 |
| Median payment | $0.001 |
| First / last payment | 2026-06-10 / 2026-09-30 |
| Sampler-shaped share of payments | 32.6% |
| Payers that are not samplers | 20 |
| Source | forensics-2026-09-30 |
| Address | 0xc91cE6291eDC0713ec753BAFBA002506ffb2b95c (contract: CoinbaseSmartWallet) |
Try it (unpaid: shows the 402)
curl -si -X GET 'https://store.agentexchange.work/chain/block' -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/3a46fc9de4c5/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"3a46fc9de4c5"} 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: this record as JSON · all resources on store.agentexchange.work.