Orcpin
Wash-sale preflight for trading agents: evaluates a proposed buy against the operator's realized-loss sales across ALL accounts (caller-supplied) for the 61-day IRC §1091 window — would_trigger with the matched loss sales, an honest clear, or insufficient_data naming the gap. Tax status with the rule cited, never advisability; a disallowed loss defers, not forfeits. Exact-ticker v1; nothing stored. Agent account silos can't see the cross-account window — this check can.
SearchLiveeip155:8453Exactvia cdp
Orcpin Trade LogTradingEquitiesWash-saleTax-loss
Calls · 30d
1→ 0%
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 24 snapshots so far.
$158.61
Verified settled volume
137 settlements proven x402 by their on-chain EIP-3009 marker.
$0.050
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 2026-08-17 19:38Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0x8B1CF12e7efe6AEA59cD1124eBbe7709E3Ac6085The 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.
{
"docs": {
"catalog": "https://orcpin.dev/catalog",
"openapi": "https://orcpin.dev/openapi.json",
"methodology": "https://orcpin.dev/methodology"
},
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x8B1CF12e7efe6AEA59cD1124eBbe7709E3Ac6085",
"amount": "50000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
}
],
"message": "GET is not supported on /v1/wash-sale-status; this resource is payable over x402 via POST. The price and input schema below are the ones POST /v1/wash-sale-status will charge and expect.",
"resource": {
"url": "https://orcpin.dev/v1/wash-sale-status",
"tags": [
"Orcpin Trade Log",
"trading",
"equities",
"wash-sale",
"tax-loss"
],
"iconUrl": "https://orcpin.com/orcpin-logo.png",
"mimeType": "application/json",
"description": "Wash-sale preflight for trading agents: evaluates a proposed buy against the operator's realized-loss sales across ALL accounts (caller-supplied) for the 61-day IRC §1091 window — would_trigger with the matched loss sales, an honest clear, or insufficient_data naming the gap. Tax status with the rule cited, never advisability; a disallowed loss defers, not forfeits. Exact-ticker v1; nothing stored. Agent account silos can't see the cross-account window — this check can.",
"serviceName": "Orcpin"
},
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"order": {
"side": "buy",
"symbol": "XYZ",
"tradeDate": "2026-07-02"
},
"recentSales": [
{
"symbol": "XYZ",
"account": "taxable",
"tradeDate": "2026-06-12",
"realizedLoss": 450
}
],
"salesCoverageFrom": "2026-06-01"
},
"type": "http",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"spec": "wash-sale-status",
"status": "would_trigger",
"window": {
"end": "2026-08-01",
"days": 30,
"start": "2026-06-02"
},
"matches": [
{
"symbol": "XYZ",
"account": "taxable",
"saleDate": "2026-06-12",
"realizedLoss": 450,
"daysFromOrder": -20
}
],
"coverage": {
"complete": true,
"requiredFrom": "2026-06-02",
"suppliedFrom": "2026-06-01"
},
"disclaimer": "Deterministic computation on caller-supplied data. Not tax, legal, or investment advice. …",
"explanation": "Buying XYZ on 2026-07-02 falls within the 30-day window of the 2026-06-12 realized-loss sale …",
"rule_citation": "IRC §1091 (wash sales), ±30-day window — cited as a published rule only",
"schema_version": "washsale-v1",
"evaluated_loss_sales": 1
}
}
},
"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",
"required": [
"order",
"recentSales"
],
"properties": {
"order": {
"type": "object",
"required": [
"symbol",
"side",
"tradeDate"
],
"properties": {
"side": {
"enum": [
"buy",
"sell"
],
"type": "string"
},
"symbol": {
"type": "string"
},
"quantity": {
"type": "number"
},
"tradeDate": {
"type": "string",
"description": "Intended trade date, YYYY-MM-DD (UTC calendar days)."
}
},
"description": "The proposed order. v1 evaluates buys; a sell returns not_applicable with guidance."
},
"recentSales": {
"type": "array",
"items": {
"type": "object",
"required": [
"symbol",
"tradeDate"
],
"properties": {
"symbol": {
"type": "string"
},
"account": {
"type": "string",
"description": "Free-form label, echoed in matches."
},
"quantity": {
"type": "number"
},
"tradeDate": {
"type": "string",
"description": "YYYY-MM-DD"
},
"realizedLoss": {
"type": "number"
}
}
},
"description": "The operator's realized-loss sales across ALL accounts. realizedLoss is a positive USD magnitude; zero/absent = not a loss sale (ignored)."
},
"salesCoverageFrom": {
"type": "string",
"description": "Earliest date the supplied sales cover (YYYY-MM-DD); short coverage is flagged, never hidden."
}
}
},
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object",
"properties": {
"status": {
"enum": [
"would_trigger",
"clear",
"not_applicable",
"insufficient_data"
],
"type": "string"
},
"window": {
"type": "object"
},
"matches": {
"type": "array",
"items": {
"type": "object"
}
},
"coverage": {
"type": "object"
},
"disclaimer": {
"type": "string"
},
"explanation": {
"type": "string"
},
"rule_citation": {
"type": "string"
},
"schema_version": {
"type": "string"
},
"evaluated_loss_sales": {
"type": "integer"
}
}
}
}
}
}
}
}
},
"retry_with": {
"url": "https://orcpin.dev/v1/wash-sale-status",
"body": {
"order": {
"side": "buy",
"symbol": "XYZ",
"tradeDate": "2026-07-02"
},
"recentSales": [
{
"symbol": "XYZ",
"account": "taxable",
"tradeDate": "2026-06-12",
"realizedLoss": 450
}
],
"salesCoverageFrom": "2026-06-01"
},
"method": "POST",
"content_type": "application/json"
},
"x402Version": 2,
"method_required": "POST"
}Accepts
The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.
0.05USDC≈ $0.05 USD
on Base · exact scheme
Pay 0.05 USDC on Base to 0x8B1C…c6085. The signed payment is good for 5 minutes.
- Paid to
- 0x8B1C…c6085
- USD Coin contract
- 0x8335…02913
- Payment window
- 5 minutes
- As published
- 50000 smallest units
The catalog’s raw entry
[
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x8B1CF12e7efe6AEA59cD1124eBbe7709E3Ac6085",
"amount": "50000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
}
]Extensions
{
"bazaar": {
"info": {
"input": {
"body": {
"order": {
"side": "buy",
"symbol": "XYZ",
"tradeDate": "2026-07-02"
},
"recentSales": [
{
"symbol": "XYZ",
"account": "taxable",
"tradeDate": "2026-06-12",
"realizedLoss": 450
}
],
"salesCoverageFrom": "2026-06-01"
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"spec": "wash-sale-status",
"status": "would_trigger",
"window": {
"end": "2026-08-01",
"days": 30,
"start": "2026-06-02"
},
"matches": [
{
"symbol": "XYZ",
"account": "taxable",
"saleDate": "2026-06-12",
"realizedLoss": 450,
"daysFromOrder": -20
}
],
"coverage": {
"complete": true,
"requiredFrom": "2026-06-02",
"suppliedFrom": "2026-06-01"
},
"disclaimer": "Deterministic computation on caller-supplied data. Not tax, legal, or investment advice. …",
"explanation": "Buying XYZ on 2026-07-02 falls within the 30-day window of the 2026-06-12 realized-loss sale …",
"rule_citation": "IRC §1091 (wash sales), ±30-day window — cited as a published rule only",
"schema_version": "washsale-v1",
"evaluated_loss_sales": 1
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method",
"bodyType",
"body"
],
"properties": {
"body": {
"type": "object",
"required": [
"order",
"recentSales"
],
"properties": {
"order": {
"type": "object",
"required": [
"symbol",
"side",
"tradeDate"
],
"properties": {
"side": {
"enum": [
"buy",
"sell"
],
"type": "string"
},
"symbol": {
"type": "string"
},
"quantity": {
"type": "number"
},
"tradeDate": {
"type": "string",
"description": "Intended trade date, YYYY-MM-DD (UTC calendar days)."
}
},
"description": "The proposed order. v1 evaluates buys; a sell returns not_applicable with guidance."
},
"recentSales": {
"type": "array",
"items": {
"type": "object",
"required": [
"symbol",
"tradeDate"
],
"properties": {
"symbol": {
"type": "string"
},
"account": {
"type": "string",
"description": "Free-form label, echoed in matches."
},
"quantity": {
"type": "number"
},
"tradeDate": {
"type": "string",
"description": "YYYY-MM-DD"
},
"realizedLoss": {
"type": "number"
}
}
},
"description": "The operator's realized-loss sales across ALL accounts. realizedLoss is a positive USD magnitude; zero/absent = not a loss sale (ignored)."
},
"salesCoverageFrom": {
"type": "string",
"description": "Earliest date the supplied sales cover (YYYY-MM-DD); short coverage is flagged, never hidden."
}
}
},
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object",
"properties": {
"status": {
"enum": [
"would_trigger",
"clear",
"not_applicable",
"insufficient_data"
],
"type": "string"
},
"window": {
"type": "object"
},
"matches": {
"type": "array",
"items": {
"type": "object"
}
},
"coverage": {
"type": "object"
},
"disclaimer": {
"type": "string"
},
"explanation": {
"type": "string"
},
"rule_citation": {
"type": "string"
},
"schema_version": {
"type": "string"
},
"evaluated_loss_sales": {
"type": "integer"
}
}
}
}
}
}
}
}
}Provenance
- Seen in the source catalog
- 2026-08-17 19:38Z
- Last indexed by Roundhouse
- 2026-09-16 19:40Z
- Last enriched (probe, favicon, geo)
- 2026-09-20 12:45Z
- 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. 24 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 Orcpin 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=Orcpin' 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://orcpin.dev/v1/wash-sale-status, 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.