Sato Hub

x402 · merchants

graphadvocate.com

Base · payout 0x0ff5a6ecef783bba35463ec2f8403b9b5e9e7c86

Answers HTTP 402

0 of 2 probed endpoints answered HTTP 402 with a parseable payment payload

checked 2026-09-28

Method: one unpaid request per listed endpoint. A 402 with a payment payload a client could parse counts. Nothing is paid.

2 x402-style payments from 1 distinct payer, $0.03 USDC in the last 7 days (Base, exact read)

window ended 2026-10-05

Payments
2
Outside payers
1
USDC
0.03

This window shows the pattern of machine noise (few payers, dust amounts), so it does not count toward the evidence ranking.

All USDC received at this payout address: $0.03 (includes payments that are not x402)

Method: counted when the transaction carries a signed USDC authorization (EIP-3009), the settlement x402's exact scheme uses. Some non-x402 gasless sends use it too.

Reading: x402-style payments to this payout address on Base, exact read of the 7 days to 2026-10-05, every block of the window: counted when the transaction carries a signed USDC authorization (EIP-3009), the settlement x402's `exact` scheme uses. Some non-x402 gasless sends use it too; Sato Hub's own payer wallets are left out

Delivery is not measured. We never send a payment, so we never observe what a paid call returns. Unknown means we hold no reading, not that anything failed.

Chains · one payout address, each chain read on its own

ChainPayout addressListingsAnswers 402x402-style payments
Base0x0ff5a6ecef783bba35463ec2f8403b9b5e9e7c8690 of 2 probed endpoints answered HTTP 402 with a parseable payment payload
2026-09-28
2 x402-style payments from 1 distinct payer, $0.03 USDC in the last 7 days (Base, exact read)
Hosts
graphadvocate.com
Listings
9 registered in the x402 catalogue
Price range
$0.010 to $0.050 per call, as registered
Categories (auto)
Market data (4), Onchain data (4), Search (1)
First seen
2026-10-05 · last seen 2026-10-05

Claim this merchant

Sign a message from the payout address 0x0ff5a6…9e7c86 to claim this page or download its payment ledger. Claiming proves control of the payout key. It says nothing about the service behind the address, and it does not change how this merchant is ranked. No email, no account: the signature is the whole credential, and signing a message costs no gas and moves nothing.

Registrations · 9

EndpointChainCategoryPriceCatalogue date
https://graphadvocate.com/onchain-x402/address
On-chain x402 settlement summary for an address from the decentralized x402 Base subgraph on The Graph Network. POST {address}. Returns lifetime stats as payer + recipient (totalPayments, totalVolume, first/last seen), …
BaseOnchain data$0.012026-09-28
https://graphadvocate.com/route
Onchain data router for AI agents. Plain-English → working GraphQL or REST. 15.5K+ subgraphs on 8 chains. Uniswap, Aave, Compound, ENS, Polymarket, Limitless, Predict.fun, ERC-8004 discovery. Identified senders (include…
BaseOnchain data$0.012026-09-28
https://graphadvocate.com/agent/score
Composite 0-100 reputation score for any Base wallet. POST {wallet, days?=90}. Combines ERC-8004 registration (Agent0 subgraph), USDC settlement velocity (Base RPC scan), and ERC-8004 feedback+validation registry events…
BaseOnchain data$0.022026-09-21
https://graphadvocate.com/polymarket/screen
Size-the-room: top N holders of a Polymarket market ranked by skill_score, with per-holder ghost-fill risk. POST {condition_id, n?}. The pre-trade check for trading and market-maker agents — answers 'who am I about to b…
BaseMarket data$0.022026-09-12
https://graphadvocate.com/uniswap/pretrade
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…
BaseOnchain data$0.022026-09-12
https://graphadvocate.com/ask
Natural-language Q&A over the x402 Base settlements warehouse. POST {question}. Backed by 132M settlement rows on Cloudflare R2 + pre-aggregated daily_stats (388 days, May 2025 - Jun 2026), queried via Anthropic Sonnet …
BaseSearch$0.052026-09-12
https://graphadvocate.com/hyperliquid/screen
Size-the-room for a Hyperliquid market. POST {coin, n?}. Returns the top N (default 10, max 10) traders on a coin ranked by volume, each with skill_score + classification + liquidation_count. Pre-trade check for MM agen…
BaseMarket data$0.052026-09-12
https://graphadvocate.com/kalshi/consensus-trend
Kalshi consensus-probability trajectory. POST {event}. Wraps Kalshi's unique /events/{ticker}/forecast_history (no other PM exposes formatted forecast percentile history). Returns slope-per-hour over 24h and 3d, acceler…
BaseMarket data$0.052026-09-12
https://graphadvocate.com/polymarket/pnl
Polymarket full PnL report. POST {wallet}. Returns derived skill metrics plus per-position aggregates: net position, average buy price, current price, realized and mark-to-market unrealized PnL per market. For agents th…
BaseMarket data$0.052026-09-12

Descriptions are the seller’s own words from the catalogue and are not checked by us. A listed price is a registration, not an observed charge.

Data CC-BY-4.0, attribution: data by satohub.ai. Collector run 2026-10-05. Appearing here is not an endorsement. Check an endpoint with the doctor.