Bazaar Listing Package
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TradingLiveeip155:8453Exactvia cdp
x402Bazaar-listingAgent-paymentsListing-serviceDone-for-you
Calls · 30d
1→ 0%
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 28 snapshots so far.
$11.21
Verified settled volume
66 settlements proven x402 by their on-chain EIP-3009 marker.
$99.00
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 2026-09-16 14:09Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0x53598173ce7c26025bab0520d9e9d0c28fbcf7deThe 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.
{
"error": "pass ?email= (the listing_key and all follow-ups are bound to it).",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x53598173ce7c26025bab0520d9e9d0c28fbcf7de",
"amount": "99000000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 120
}
],
"resource": {
"url": "https://mudko.com/api/x402/bazaar-listing",
"tags": [
"x402",
"bazaar-listing",
"agent-payments",
"listing-service",
"done-for-you"
],
"mimeType": "application/json",
"description": "Get YOUR x402 endpoint listed in this Bazaar - done for you, $99 one-time. You receive a deploy-ready x402 v2 kit generated for your stack (Next.js, Express, serverless; PHP via a free serverless function) with your wallet, price and discovery declaration baked in, plus a resumable listing_key that drives the automated pipeline via MCP (https://mudko.com/api/mcp): validate against Coinbase's own preflight with per-check fixes, and when your price is $1 or under WE fire the indexing settlement from our funded wallet. Ends with a receipt: settle tx + your live merchant-feed entry. Built by the team that listed its own endpoints first (this very listing is dogfood). Keepalive add-on available so you never fall out of the index.",
"serviceName": "Bazaar Listing Package"
},
"extensions": {
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"email": "buyer@acme.com (string, required - the listing_key is bound to it)",
"stack": "nextjs | express | serverless | php | other (string, optional)",
"pay_to": "0x... (string, optional - your receiving wallet on Base)",
"price_usd": "0.50 (number, optional - your price per call)",
"resource_url": "https://acme.com/api/pay/report (string, optional - the endpoint to list; can be provided later)"
}
},
"output": {
"type": "json",
"example": {
"mcp": "https://mudko.com/api/mcp",
"paid": true,
"state": "paid",
"next_step": "Call get_bazaar_listing_kit at https://mudko.com/api/mcp with your listing_key to receive your deployment kit.",
"listing_key": "lk_0123456789abcdef0123456789abcdef"
}
}
},
"schema": {
"type": "object",
"$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",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"type": "object",
"required": [
"email"
],
"properties": {
"email": {
"type": "string",
"description": "Buyer email - the listing_key and all follow-ups are bound to it (required)."
},
"stack": {
"type": "string",
"description": "Your server stack - picks the generated kit variant (optional, default other)."
},
"pay_to": {
"type": "string",
"description": "Receiving wallet (EVM address on Base) the endpoint pays to (optional here)."
},
"price_usd": {
"type": "string",
"description": "Your endpoint's price per call in USD (optional here)."
},
"resource_url": {
"type": "string",
"description": "HTTPS URL of the endpoint to list (optional here; the MCP tools collect it if omitted)."
}
}
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object",
"properties": {
"mcp": {
"type": "string"
},
"state": {
"type": "string"
},
"next_step": {
"type": "string"
},
"listing_key": {
"type": "string"
}
}
}
}
}
}
}
}
},
"x402Version": 2
}Accepts
The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.
99USDC≈ $99 USD
on Base · exact scheme
Pay 99 USDC on Base to 0x5359…cf7de. The signed payment is good for 2 minutes.
- Paid to
- 0x5359…cf7de
- USD Coin contract
- 0x8335…02913
- Payment window
- 2 minutes
- As published
- 99000000 smallest units
The catalog’s raw entry
[
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x53598173ce7c26025bab0520d9e9d0c28fbcf7de",
"amount": "99000000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 120
}
]Extensions
{
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"email": "buyer@acme.com (string, required - the listing_key is bound to it)",
"stack": "nextjs | express | serverless | php | other (string, optional)",
"pay_to": "0x... (string, optional - your receiving wallet on Base)",
"price_usd": "0.50 (number, optional - your price per call)",
"resource_url": "https://acme.com/api/pay/report (string, optional - the endpoint to list; can be provided later)"
}
},
"output": {
"type": "json",
"example": {
"mcp": "https://mudko.com/api/mcp",
"paid": true,
"state": "paid",
"next_step": "Call get_bazaar_listing_kit at https://mudko.com/api/mcp with your listing_key to receive your deployment kit.",
"listing_key": "lk_0123456789abcdef0123456789abcdef"
}
}
},
"schema": {
"type": "object",
"$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",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"type": "object",
"required": [
"email"
],
"properties": {
"email": {
"type": "string",
"description": "Buyer email - the listing_key and all follow-ups are bound to it (required)."
},
"stack": {
"type": "string",
"description": "Your server stack - picks the generated kit variant (optional, default other)."
},
"pay_to": {
"type": "string",
"description": "Receiving wallet (EVM address on Base) the endpoint pays to (optional here)."
},
"price_usd": {
"type": "string",
"description": "Your endpoint's price per call in USD (optional here)."
},
"resource_url": {
"type": "string",
"description": "HTTPS URL of the endpoint to list (optional here; the MCP tools collect it if omitted)."
}
}
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object",
"properties": {
"mcp": {
"type": "string"
},
"state": {
"type": "string"
},
"next_step": {
"type": "string"
},
"listing_key": {
"type": "string"
}
}
}
}
}
}
}
}
}Provenance
- Seen in the source catalog
- 2026-09-16 14:09Z
- Last indexed by Roundhouse
- 2026-09-24 10:00Z
- Last enriched (probe, favicon, geo)
- 2026-09-21 13:15Z
- x402 version
- 2
- Max timeout
- 120s
- 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. 28 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 Bazaar Listing Package 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=Bazaar%20Listing%20Package' 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://mudko.com/api/x402/bazaar-listing, 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.