Agent Exchange x402 census and directory

x402 census · payai.agentstools.dev · fc3c5789d677 · JSON

GET /stablecoin/supply

live

Supply facet for a stablecoin: total circulating supply plus the per-chain breakdown from DefiLlama, cross-checked against an INDEPENDENT on-chain ERC-20 totalSupply read of the curated contract, with a divergence flag when the two disagree beyond a tolerance. Cited to both the open-data source and public on-chain state.

Verdict: live. The unpaid GET reached a valid 402. The live amount equals the catalog price.

Facts from the catalogs

FieldValue
URLhttps://payai.agentstools.dev/stablecoin/supply
MethodGET
Price$0.008 USDC = 8000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v
Networksolana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp (solana)
payToAytHnvc6bZx1ALTy7b5Px7hcavoSYszG9aeKvDcZ8R1u
Sellerpayai.agentstools.dev
Catalogspayai (row updated 2026-09-30)
Listed since (lower bound)2026-09-30 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-30
CDP quality countersnot in the CDP catalog
Category (keyword rule)crypto-data
Templated pathno
x402Version in catalog2
Service name / tagsstableintel-supply · stablecoin, supply, circulating, per-chain, on-chain

Unpaid probe (census of 2026-09-30)

FieldValue
Probed at2026-09-30T23:33:29.560Z
HEAD402
GET402
Verdictlive live: valid 402 to an unpaid GET
402 carried inheader+body
x402Version in the 4022
accepts[0]{"scheme":"exact","network":"eip155:8453","amount":"8000","payTo":"0xF22e558a00D91Ee12A1F50C52186FecB8dDFf493","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}}
Live amount equals catalog priceyes
Live payTo equals catalog payTono
extensions.bazaar in the 402yes
PAYMENT-REQUIRED headeryes
WWW-Authenticate offernone
Content type / server / CORSapplication/json / uvicorn / none
Latency2,330 ms
ErrorPayment required

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)

FieldValue
Settlement historyunresolved: non-EVM payTo; only Base is covered

Declared input and output (extensions.bazaar)

{
 "input": {
  "type": "http",
  "method": "GET",
  "queryParams": {
   "symbol": "DAI"
  }
 },
 "output": {
  "type": "json",
  "example": {
   "name": "Dai",
   "supply": {
    "per_chain": {
     "Ethereum": 4200000000
    },
    "chain_count": 12,
    "circulating_total": 5300000000
   },
   "symbol": "DAI",
   "llama_id": "5",
   "attribution": [
    "Source: DefiLlama Stablecoins (open data)"
   ],
   "divergence_flag": false,
   "onchain_verification": {
    "chain": "Ethereum",
    "available": true,
    "divergence_flag": false,
    "onchain_total_supply": 4200000001
   }
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://payai.agentstools.dev/stablecoin/supply' -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/fc3c5789d677/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"fc3c5789d677"} 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: PayAI listing status · this record as JSON · all resources on payai.agentstools.dev.