x402 census · graphadvocate.com · 5be5ce5fdfe4 · JSON
POST /uniswap/pretrade
unprobed
Uniswap pre-trade due-diligence. POST {token, chain?, version?}. Returns real_liquidity + deepest venue (ranked by volumeUSD, NEVER TVL — Uniswap subgraph TVL is inflated by spam pools), alternate fee-tier venues, a two-way-flow honeypot check over recent swaps, daily volume trend, and a composed verdict {tradeable, risk, reasons}. Covers Uniswap V2/V3/V4 on Ethereum, Arbitrum, Base, Polygon, Opt…
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://graphadvocate.com/uniswap/pretrade |
| Method | POST |
| Price | $0.02 USDC = 20000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base) |
| payTo | 0x0FF5A6ecef783BBA35463ec2F8403B9B5e9e7C86 |
| Seller | graphadvocate.com |
| Catalogs | cdp (row updated 2026-09-12) |
| Listed since (lower bound) | 2026-09-12 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-12 |
| CDP quality counters | 1 calls and 1 unique payers in 30 days, last call 2026-09-12 (catalog-reported, not verified on chain) |
| Category (keyword rule) | trading-signals |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | none |
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 | 5 |
| Payments | 14 |
| USDC volume | $0.45 |
| Median payment | $0.04 |
| First / last payment | 2026-07-11 / 2026-09-12 |
| Sampler-shaped share of payments | 100.0% |
| Payers that are not samplers | 0 |
| Source | forensics-2026-09-30 |
| Address | 0x0FF5A6ecef783BBA35463ec2F8403B9B5e9e7C86 (contract: SafeL2) |
Declared input and output (extensions.bazaar)
{
"input": {
"body": {
"chain": "ethereum",
"token": "WETH"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"type": "json",
"example": {
"best_venue": {
"fee_tier": 500,
"pair": "USDC/WETH",
"real_liquidity": true,
"tvl_usd": 360200000
},
"flow": {
"buys": 19,
"honeypot_risk": "low",
"sells": 6,
"two_way": true
},
"token": {
"price_usd": 1859.05,
"symbol": "WETH"
},
"trend": {
"direction": "falling",
"pct_vs_3day_avg": -28.5
},
"verdict": {
"risk": "medium",
"tradeable": true
}
}
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://graphadvocate.com/uniswap/pretrade' -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/5be5ce5fdfe4/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"5be5ce5fdfe4"} 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 graphadvocate.com.