ST0x Tokenized Equities
Use this when the question is whether an ST0x tokenized stock on Base trades above or below the real share: send a ticker (NVDA, wtAAPL, FGI) and get the premium/discount in basis points from the deepest USDC pool (live) and the last Raindex fill vs the exchange quote, corrected for the ERC-4626 wrapper rate, with market session, age of every leg, pool depth, any cross-issuer pool (wtNVDA vs Coinbase NVDAc), and a one-sentence read. Unknown ticker -> 404, no charge.
TradingLiveeip155:8453Exactvia cdp
Tokenized-equitiesSt0xStocksRwaBase
Calls · 30d
1
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 7 snapshots so far.
$0.27
Verified settled volume
33 settlements proven x402 by their on-chain EIP-3009 marker.
$0.020
Listed price
As published in the catalog. Always read the live 402 before paying.
1
Calls · 30d
Upstream's own call count for this endpoint, not ours.
1
Unique payers · 30d
Last called 2026-09-17 12:22Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0xbC3A8eAc0601F717E803935cABEDeE8EDB7713C4The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.
Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Provider
The payTo wallet does not resolve to a registered ERC-8004 agent. That is not a verdict on the service — most of the catalog is unregistered.
Live 402 challenge
Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.
{
"how": "Retry GET /tokenized-equities/st0x/premium/<ticker> with an x402 `payment` header (scheme exact, USDC on Base or Solana).",
"menu": "https://x402-accelerometer-feed.fly.dev/",
"error": "payment_required",
"price": "$0.02",
"health": "https://x402-accelerometer-feed.fly.dev/health",
"preview": "https://x402-accelerometer-feed.fly.dev/preview",
"networks": [
"eip155:8453",
"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
]
}Accepts
The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.
0.02USDC≈ $0.02 USD
on Base · exact scheme
Pay 0.02 USDC on Base to 0xbC3A…713C4. The signed payment is good for 5 minutes.
- Paid to
- 0xbC3A…713C4
- USD Coin contract
- 0x8335…02913
- Payment window
- 5 minutes
- As published
- 20000 smallest units
20000units
on solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · exact scheme
That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.
- Paid to
- 5dBE1v…F9cc4
- Token contract
- EPjFWd…TDt1v
- Payment window
- 5 minutes
The catalog’s raw entry
[
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xbC3A8eAc0601F717E803935cABEDeE8EDB7713C4",
"amount": "20000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
},
"payTo": "5dBE1vqMVJCbxpBv9kw9nQJguUhYXk5mRGVfsxEF9cc4",
"amount": "20000",
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"maxTimeoutSeconds": 300
}
]Extensions
{
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"pathParams": {
"ticker": ":ticker"
},
"queryParams": {}
},
"output": {
"type": "json",
"example": {
"kind": "st0x_premium",
"read": "wtFGI trades 3.19% below FGI on NMS (closed session; on-chain leg 951 min old, quote 930 min old).",
"as_of": "2026-09-17T11:30:00.000Z",
"chain": "base",
"token": {
"isin": "KYG3302D2024",
"name": "Wrapped FGI Industries ST0x",
"symbol": "wtFGI",
"ticker": "FGI",
"wrapped": "0x…",
"unwrapped": "0x785bd77b8e92866f87e01416d1022d729975d529",
"wrapper_rate": 1
},
"sources": {
"quote": "https://query1.finance.yahoo.com/v8/finance/chart/FGI?range=1d&interval=1d",
"registry": "https://github.com/ST0x-Technology/st0x.registry",
"dexscreener": "https://dexscreener.com/base/0x…",
"raindex_subgraph": "https://subgraph.api.ormilabs.com/api/public/9f4fc2fa-4a15-44f7-a7c1-66fdaa518a71/subgraphs/raindex-base/prod/gn"
},
"on_chain": {
"best_usdc_pool": {
"dex": "hydrex",
"pair": "0x…",
"price_usd": 8.81,
"liquidity_usd": 2210.4,
"volume_24h_usd": 9120.2
},
"cross_issuer_pools": [],
"raindex_last_trade": {
"at": "2026-09-16T19:39:25.000Z",
"qty": 113.76,
"age_s": 57035,
"price_usdc": 8.79
}
},
"disclaimer": "Public blockchain and reference data about tokenized securities. Not investment advice, not an offer, no order routing or execution. Eligibility to hold ST0x tokens is set by the issuer's prospectus.",
"underlying": {
"age_s": 55800,
"price": 9.08,
"source": "yahoo",
"symbol": "FGI",
"session": "closed",
"currency": "USD",
"exchange": "NMS",
"leg_used": "regular",
"price_at": "2026-09-16T20:00:01.000Z"
},
"premium_bps": {
"pool_rate_adjusted": -297.4,
"pool_vs_underlying": -297.4,
"raindex_rate_adjusted": -319.4,
"raindex_vs_underlying": -319.4
}
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"GET"
],
"type": "string"
},
"pathParams": {
"type": "object",
"required": [
"ticker"
],
"properties": {
"ticker": {
"type": "string",
"description": "stock ticker (NVDA), ST0x symbol (wtNVDA / tNVDA), or the token's Base address"
}
}
},
"queryParams": {
"type": "object",
"properties": {}
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object",
"properties": {
"kind": {
"type": "string"
},
"read": {
"type": "string"
},
"as_of": {
"type": "string"
},
"chain": {
"type": "string"
},
"token": {
"type": "object",
"properties": {
"isin": {
"type": [
"string",
"null"
]
},
"name": {
"type": "string"
},
"symbol": {
"type": "string"
},
"ticker": {
"type": "string"
},
"wrapped": {
"type": "string"
},
"unwrapped": {
"type": [
"string",
"null"
]
},
"wrapper_rate": {
"type": [
"number",
"null"
]
}
}
},
"sources": {
"type": "object"
},
"on_chain": {
"type": "object",
"properties": {
"best_usdc_pool": {
"type": [
"object",
"null"
]
},
"cross_issuer_pools": {
"type": "array"
},
"raindex_last_trade": {
"type": [
"object",
"null"
]
}
}
},
"disclaimer": {
"type": "string"
},
"underlying": {
"type": [
"object",
"null"
],
"properties": {
"age_s": {
"type": "number"
},
"price": {
"type": "number"
},
"source": {
"type": "string"
},
"symbol": {
"type": "string"
},
"session": {
"type": "string"
},
"currency": {
"type": [
"string",
"null"
]
},
"exchange": {
"type": [
"string",
"null"
]
},
"leg_used": {
"type": "string"
},
"price_at": {
"type": "string"
}
}
},
"premium_bps": {
"type": "object",
"properties": {
"pool_rate_adjusted": {
"type": [
"number",
"null"
]
},
"pool_vs_underlying": {
"type": [
"number",
"null"
]
},
"raindex_rate_adjusted": {
"type": [
"number",
"null"
]
},
"raindex_vs_underlying": {
"type": [
"number",
"null"
]
}
}
}
}
}
}
}
}
},
"routeTemplate": "/tokenized-equities/st0x/premium/:ticker"
}
}Provenance
- Seen in the source catalog
- 2026-09-17 12:22Z
- Last indexed by Roundhouse
- 2026-09-24 07:30Z
- Last enriched (probe, favicon, geo)
- 2026-09-17 15:15Z
- x402 version
- 2
- Max timeout
- 300s
- Liveness probe
- HTTP 402
Hand this page to an agent
Copy the prompt and paste it into Claude, an MCP client or your own agent — it will vet this service and call it over the free read API. No key, no account.
GET api.roundhouseai.io/v0/endpoints
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 7 snapshots so far. Verified volume counts only settlements with an on-chain EIP-3009 marker.
Show the promptHide the prompt
Using Roundhouse, look up the x402 service ST0x Tokenized Equities and tell me whether it is worth paying: what a call costs, whether the endpoint answered when last probed, and what its payment record actually shows. curl -s 'https://api.roundhouseai.io/v0/endpoints?q=ST0x%20Tokenized%20Equities' curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet returned above>' Then call it: read the price from the live 402 at https://x402-accelerometer-feed.fly.dev/tokenized-equities/st0x/premium/:ticker, never from a cached figure, and pay with an x402 client. The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except /v0/unified* and /v0/endpoints. Mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402, or use an organization key from https://roundhouseai.io/dashboard/team. If you do not have Roundhouse tools or skills installed, read https://roundhouseai.io/skill.md first — it is the whole procedure.