Discover / graphadvocate.com

Graph Advocate

■ Challenge detected

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), recent 10 payments each direction, facilitator metadata if applicable, plus indexed_through_block for freshness. Decentralized, verifiable. Distinct from /ask. $0.01 USDC on Base.

x402
Base
USDC

Listed price: $0.01
Challenge detected: 9 of the last 9 checks
Median response: 91 ms
Last checked: 16 Oct, 18:49 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://graphadvocate.com/onchain-x402/address
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

4 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://graphadvocate.com

POST/agent/score$0.02Composite 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 aggregated across all of the owner's agents. Hard-gates on 8004 registration to filter burn addresses + CEX wallets. Cached 24h. Use for: should I integrate/pay/trust this peer agent.
POST/hyperliquid/screen$0.05Size-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 agents: 'who am I about to be against on this perp, and have they been liquidated before?' Coin format: BTC, @107 (spot), xyz:SILVER.
POST/route$0.01Onchain 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 `sender` wallet in A2A metadata): 3 free /route /day, then $0.01 USDC via x402 on Base. Anonymous senders pay $0.01 from call 1. /polymarket + /hyperliquid trader-intel paid from call 1 ($0.01-$0.10).
POST/onchain-x402/address$0.01On-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), recent 10 payments each direction, facilitator metadata if applicable, plus indexed_through_block for freshness. Decentralized, verifiable. Distinct from /ask. $0.01 USDC on Base.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 4 of 4 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/graphadvocate.com

Recent checks

2 Oct 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.16 Oct 2026

All 9 checks

When (UTC)	Result	HTTP	Response
16 Oct, 18:49 UTC	Challenge detected	402	61ms
15 Oct, 11:37 UTC	Challenge detected	402	53ms
14 Oct, 00:19 UTC	Challenge detected	402	96ms
12 Oct, 00:34 UTC	Challenge detected	402	113ms
10 Oct, 10:04 UTC	Challenge detected	402	91ms
9 Oct, 03:33 UTC	Challenge detected	402	148ms
8 Oct, 00:44 UTC	Challenge detected	402	53ms
6 Oct, 21:30 UTC	Challenge detected	402	60ms
2 Oct, 05:04 UTC	Challenge detected	402	98ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 16 Oct, 18:49 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for Graph Advocate?

Its listed price is $0.01.

What payment terms does Graph Advocate advertise?

The listing advertises x402, Base and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is Graph Advocate listed?

In x402 Bazaar. Superstables first indexed it on 26 Sept 2026.

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