x402 census · api.datasieve.xyz · 9dc87935bcb1 · JSON
POST /watch/standard
unprobed
Something you cannot do while your agent is dead: keep watching. One paid call buys 7 days of it — on-chain on Base (wallet activity, whale transfers, price crossings, new pools), a dead-man switch that fires when YOUR agent goes silent, a cron/schedule webhook, or a url-change web monitor. Every event carries a signed Ed25519 receipt proving a third party observed it then — which your own logs c…
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://api.datasieve.xyz/watch/standard |
| Method | POST |
| Price | $0.10 USDC = 100000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base) |
| payTo | 0xFE31fD52A89461B8d54895cfCf86187aa3C95F21 |
| Seller | api.datasieve.xyz |
| Catalogs | cdp (row updated 2026-09-17) |
| Listed since (lower bound) | 2026-09-17 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-17 |
| CDP quality counters | 1 calls and 1 unique payers in 30 days, last call 2026-09-17 (catalog-reported, not verified on chain) |
| Category (keyword rule) | crypto-data |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | DataSieve · base, monitoring, webhooks, wallet, whale-alerts |
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 | 1 |
| Payments | 1 |
| USDC volume | $0.10 |
| Median payment | $0.10 |
| First / last payment | 2026-09-17 / 2026-09-17 |
| Sampler-shaped share of payments | 100.0% |
| Payers that are not samplers | 0 |
| Source | forensics-2026-09-30 |
| Address | 0xFE31fD52A89461B8d54895cfCf86187aa3C95F21 (contract: EIP7702StatelessDeleGator) |
Declared input and output (extensions.bazaar)
{
"input": {
"body": {
"condition": {
"debounceSeconds": 3600,
"minAmount": "1000000",
"token": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
"type": "token-transfers"
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"type": "json",
"example_truncated": true,
"chars": 427
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://api.datasieve.xyz/watch/standard' -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/9dc87935bcb1/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"9dc87935bcb1"} 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.datasieve.xyz.