eBay Search, Comps & Products
x402 Atlas provides real-time x402 analytics for autonomous APIs on Base. Track transactions, discover trends, and analyze the x402 ecosystem.
The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.
Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
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.
{
"hint": "This endpoint requires x402 payment. The price and payment options are in the PAYMENT-REQUIRED response header (x402 v2). Pay with an x402 client, then retry to receive the data.",
"llms": "https://ebay.use.x402atlas.com/llms.txt",
"error": "payment_required",
"price": "$0.02 per call",
"method": "GET",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"tier": "standard",
"version": "2",
"merchant": "x402Atlas"
},
"payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
"amount": "20000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"tier": "standard",
"version": "2",
"merchant": "x402Atlas"
},
"payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
"amount": "20000",
"scheme": "exact",
"network": "eip155:137",
"maxTimeoutSeconds": 300
},
{
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"tier": "standard",
"version": "2",
"merchant": "x402Atlas"
},
"payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
"amount": "20000",
"scheme": "exact",
"network": "eip155:42161",
"maxTimeoutSeconds": 300
}
],
"contact": {
"email": "support@x402atlas.com"
},
"openapi": "https://ebay.use.x402atlas.com/openapi.json",
"resource": {
"url": "https://ebay.use.x402atlas.com/sold",
"tags": [
"ebay",
"ecommerce",
"marketplace",
"shopping",
"prices",
"sold-comps",
"products"
],
"mimeType": "application/json",
"description": "eBay sold comps — sold & completed listings with realized prices and sold dates for pricing research and resale valuation, filterable by site, category, price band and condition, as clean JSON.",
"serviceName": "eBay Search, Comps & Products"
},
"x402Version": 2,
"documentation": "https://ebay.use.x402atlas.com/docs"
}Accepts
The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.
Pay 0.02 USDC on Base to 0x8C12…Df1b2. The signed payment is good for 5 minutes.
- Paid to
- 0x8C12…Df1b2
- USD Coin contract
- 0x8335…02913
- Payment window
- 5 minutes
- As published
- 20000 smallest units
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
- 0x8C12…Df1b2
- Token contract
- 0x3c49…c3359
- Payment window
- 5 minutes
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
- 0x8C12…Df1b2
- Token contract
- 0xaf88…e5831
- Payment window
- 5 minutes
The catalog’s raw entry
[
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"tier": "standard",
"version": "2",
"merchant": "x402Atlas"
},
"payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
"amount": "20000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"tier": "standard",
"version": "2",
"merchant": "x402Atlas"
},
"payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
"amount": "20000",
"scheme": "exact",
"network": "eip155:137",
"maxTimeoutSeconds": 300
},
{
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"tier": "standard",
"version": "2",
"merchant": "x402Atlas"
},
"payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
"amount": "20000",
"scheme": "exact",
"network": "eip155:42161",
"maxTimeoutSeconds": 300
}
]Extensions
{
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"page": 1,
"sort": "best_match",
"query": "nintendo switch oled",
"domain": "ebay.com",
"per_page": 50,
"condition": "3000",
"max_price": 400,
"min_price": 50
}
},
"output": {
"type": "json",
"example": {
"page": 1,
"items": [
{
"bids": 21,
"link": "https://www.ebay.com/itm/157012348890",
"price": {
"raw": "$232.50",
"extracted": 232.5
},
"title": "Nintendo Switch OLED Model 64GB White Console - Complete in Box",
"seller": {
"username": "gamestop_outlet",
"review_count": 192884,
"positive_feedback_percent": 98.9
},
"location": "United States",
"shipping": {
"raw": "Free shipping",
"free": true
},
"condition": "Pre-Owned",
"sold_date": "Jul 21, 2026",
"sponsored": false,
"thumbnail": "https://i.ebayimg.com/images/g/vN8AAOSwq9dnPq0c/s-l500.jpg",
"product_id": "157012348890",
"details_link": "https://ebay.use.x402atlas.com/product?product_id=157012348890"
},
{
"link": "https://www.ebay.com/itm/146119207455",
"price": {
"raw": "$268.00",
"extracted": 268
},
"title": "Nintendo Switch OLED Splatoon 3 Special Edition Console Bundle",
"seller": {
"username": "retro.console.co",
"review_count": 7761,
"positive_feedback_percent": 99.6
},
"location": "United States",
"shipping": {
"raw": "+$14.85 shipping",
"free": false,
"extracted": 14.85
},
"condition": "Pre-Owned",
"sold_date": "Jul 18, 2026",
"sponsored": false,
"thumbnail": "https://i.ebayimg.com/images/g/hR2AAOSwLtJnKd41/s-l500.jpg",
"product_id": "146119207455",
"details_link": "https://ebay.use.x402atlas.com/product?product_id=146119207455"
}
],
"query": "nintendo switch oled",
"domain": "ebay.com",
"per_page": 50,
"next_page": 2,
"categories": [
{
"id": 139971,
"name": "Video Game Consoles"
},
{
"id": 54968,
"name": "Video Game Accessories"
}
],
"total_results": 12634,
"related_searches": [
"nintendo switch oled zelda edition",
"nintendo switch 2",
"steam deck oled"
]
}
}
},
"tags": [
"ebay",
"ecommerce",
"marketplace",
"shopping",
"prices",
"sold-comps",
"products"
],
"schema": {
"type": "object",
"$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"
},
"queryParams": {
"type": "object",
"required": [
"query"
],
"properties": {
"page": {
"type": "integer",
"default": 1,
"minimum": 1,
"description": "Result page number; follow next_page from a previous response"
},
"sort": {
"enum": [
"best_match",
"ending_soonest",
"newly_listed",
"price_shipping_lowest",
"price_shipping_highest",
"distance_nearest"
],
"type": "string",
"default": "best_match",
"description": "Sort order"
},
"query": {
"type": "string",
"maxLength": 300,
"description": "Free-text query for the item to comp (e.g. \"nintendo switch oled\")"
},
"domain": {
"enum": [
"ebay.at",
"ebay.ca",
"ebay.ch",
"ebay.co.uk",
"ebay.com",
"ebay.com.au",
"ebay.com.hk",
"ebay.com.my",
"ebay.com.sg",
"ebay.de",
"ebay.es",
"ebay.fr",
"ebay.ie",
"ebay.it",
"ebay.nl",
"ebay.pl"
],
"type": "string",
"default": "ebay.com",
"description": "eBay regional site to search"
},
"per_page": {
"enum": [
25,
50,
100,
200
],
"type": "integer",
"default": 50,
"description": "Results per page"
},
"condition": {
"type": "string",
"description": "Comma-separated condition ids: 1000 New, 1500 Open box, 2000 Certified refurbished, 2500 Seller refurbished, 3000 Used, 10 Not specified"
},
"max_price": {
"type": "number",
"minimum": 0,
"description": "Maximum price filter"
},
"min_price": {
"type": "number",
"minimum": 0,
"description": "Minimum price filter"
}
}
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object",
"required": [
"query",
"domain",
"page",
"per_page",
"items"
],
"properties": {
"note": {
"type": "string",
"description": "Present only on a sample response (empty/omitted query): a hint to pass real parameters. The paid request ran; no upstream call was made."
},
"page": {
"type": "integer"
},
"items": {
"type": "array",
"items": {
"type": "object",
"properties": {
"bids": {
"type": "integer",
"description": "Auction bid count"
},
"link": {
"type": "string",
"description": "The listing's eBay page"
},
"price": {
"type": "object",
"properties": {
"raw": {
"type": "string"
},
"extracted": {
"type": "number"
}
},
"description": "Listing price; a from/to range flattens to the range string plus the extracted low bound"
},
"title": {
"type": "string"
},
"rating": {
"type": "number"
},
"seller": {
"type": "object",
"properties": {
"username": {
"type": "string"
},
"review_count": {
"type": "integer"
},
"positive_feedback_percent": {
"type": "number"
}
}
},
"returns": {
"type": "string"
},
"discount": {
"type": "string",
"description": "Discount label, e.g. \"18% off\""
},
"location": {
"type": "string",
"description": "Where the item ships from"
},
"shipping": {
"type": "object",
"properties": {
"raw": {
"type": "string"
},
"free": {
"type": "boolean"
},
"extracted": {
"type": "number"
}
},
"description": "Shipping cost line"
},
"subtitle": {
"type": "string"
},
"watchers": {
"type": "integer"
},
"condition": {
"type": "string"
},
"sold_date": {
"type": "string",
"description": "Realized sale date — set on /sold results when the upstream marks it"
},
"sponsored": {
"type": "boolean"
},
"thumbnail": {
"type": "string"
},
"time_left": {
"type": "string",
"description": "Auction time remaining"
},
"extensions": {
"type": "array",
"items": {
"type": "string"
},
"description": "Listing badges (e.g. \"Free returns\")"
},
"product_id": {
"type": "string",
"description": "eBay item id — pass to /product for the full listing"
},
"details_link": {
"type": "string",
"description": "This API's /product URL for the listing"
},
"quantity_sold": {
"type": "integer"
},
"reviews_count": {
"type": "integer"
},
"original_price": {
"type": "object",
"properties": {
"raw": {
"type": "string"
},
"extracted": {
"type": "number"
}
},
"description": "Pre-discount price, when the listing is discounted"
}
}
}
},
"query": {
"type": "string",
"description": "Echoed search query"
},
"domain": {
"type": "string",
"description": "eBay site actually searched"
},
"per_page": {
"type": "integer"
},
"next_page": {
"type": [
"integer",
"null"
],
"description": "Pass back as page= for the next page; null when this is the last page"
},
"categories": {
"type": "array",
"items": {
"type": "object",
"properties": {
"id": {
"type": "integer"
},
"name": {
"type": "string"
}
}
},
"description": "Category facets; pass an id back as category_id to narrow the search"
},
"total_results": {
"type": "integer",
"description": "Total listings matching the query upstream"
},
"related_searches": {
"type": "array",
"items": {
"type": "string"
},
"description": "Suggested query refinements"
}
}
}
}
}
}
},
"category": "ecommerce"
}
}Provenance
- Seen in the source catalog
- 2026-09-15 06:32Z
- Last indexed by Roundhouse
- 2026-09-24 14:50Z
- Last enriched (probe, favicon, geo)
- 2026-09-12 06:45Z
- 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. 30 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 eBay Search, Comps & Products 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=eBay%20Search%2C%20Comps%20%26%20Products' 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://ebay.use.x402atlas.com/sold, 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.