api.quantoracle.dev
Free, fast quant finance calculators powered by a deterministic, multi-chain API. Black-Scholes, options profit, Kelly, VaR, crypto liquidation, and more.
TradingLiveeip155:8453Exactvia cdp
Activity
—
Nothing indexed for this service or its provider yet. Not a claim that it is unused — only that we hold no record.
$10.63
Verified settled volume
25 settlements proven x402 by their on-chain EIP-3009 marker.
$0.040
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 2026-05-29 19:22Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0xC94f5F33ae446a50Ce31157db81253BfddFE2af6The 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.
Accepts
The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.
0.04USDC≈ $0.04 USD
on Base · exact scheme
Pay 0.04 USDC on Base to 0xC94f…E2af6. The signed payment is good for 5 minutes.
- Paid to
- 0xC94f…E2af6
- USD Coin contract
- 0x8335…02913
- Payment window
- 5 minutes
- As published
- 40000 smallest units
40000units
on solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · exact scheme
That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.
- Paid to
- 9biztr…xp39u
- Token contract
- EPjFWd…TDt1v
- Payment window
- 5 minutes
The catalog’s raw entry
[
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xC94f5F33ae446a50Ce31157db81253BfddFE2af6",
"amount": "40000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
},
"payTo": "9biztrXscReJ3Wi8EfkD2gL3WXzYUmzTEohD26Bxp39u",
"amount": "40000",
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"maxTimeoutSeconds": 300
}
]Extensions
{
"bazaar": {
"info": {
"input": {
"body": {
"holdings": [
{
"asset": "x",
"value": 1,
"returns": [
1,
1,
1,
1,
1
],
"target_weight": 1
},
{
"asset": "x",
"value": 1,
"returns": [
1,
1,
1,
1,
1
],
"target_weight": 1
}
]
},
"type": "http",
"method": "POST",
"bodyType": "json"
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method",
"bodyType",
"body"
],
"properties": {
"body": {
"type": "object",
"title": "PortfolioHealthIn",
"required": [
"holdings"
],
"properties": {
"holdings": {
"type": "array",
"items": {
"type": "object",
"title": "PortfolioHoldingItem",
"required": [
"asset",
"value",
"target_weight",
"returns"
],
"properties": {
"beta": {
"type": "number",
"title": "Beta",
"default": 1,
"description": "Market beta (for stress test)"
},
"asset": {
"type": "string",
"title": "Asset",
"description": "Asset name"
},
"value": {
"type": "number",
"title": "Value",
"description": "Current market value"
},
"returns": {
"type": "array",
"items": {
"type": "number"
},
"title": "Returns",
"minItems": 5,
"description": "Daily returns for this asset"
},
"duration": {
"type": "number",
"title": "Duration",
"default": 0,
"description": "Bond duration (for rate stress)"
},
"target_weight": {
"type": "number",
"title": "Target Weight",
"description": "Target allocation weight (%)"
}
}
},
"title": "Holdings",
"minItems": 2,
"description": "Portfolio holdings"
},
"min_trade_usd": {
"type": "number",
"title": "Min Trade Usd",
"default": 100,
"description": "Minimum trade size in USD"
},
"risk_free_rate": {
"type": "number",
"title": "Risk Free Rate",
"default": 0.045,
"description": "Annual risk-free rate"
},
"rebalance_threshold_pct": {
"type": "number",
"title": "Rebalance Threshold Pct",
"default": 5,
"description": "Drift threshold to trigger rebalance (%)"
}
}
},
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
}
},
"additionalProperties": false
}
}
}
}
}Provenance
- Seen in the source catalog
- 2026-05-29 19:22Z
- Last indexed by Roundhouse
- 2026-06-28 18:00Z
- Last enriched (probe, favicon, geo)
- 2026-09-13 11:45Z
- x402 version
- 2
- Max timeout
- 300s
- Liveness probe
- HTTP 422
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
Nothing indexed for this service or its provider yet. Not a claim that it is unused — only that we hold no record. Verified volume counts only settlements with an on-chain EIP-3009 marker.
Show the promptHide the prompt
Using Roundhouse, look up the x402 service api.quantoracle.dev 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=api.quantoracle.dev' 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://api.quantoracle.dev/v1/portfolio/health, 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.