Discover / x402-mcp.onrender.com

x402 MCP Storefront

■ Challenge detected

Should I submit this Base transaction now, and at what fee? One call returns submit-or-wait, max fee per gas and priority fee in gwei (EIP-1559), and the estimated cost in USD for an ETH transfer, USDC ERC-20 transfer, or x402 settlement on Base mainnet. Live gas price and congestion from Base RPC blocks, no API key. For bots that queue transactions: call before every send.

x402
Base
USDC

Listed price: $0.01
Challenge detected: 10 of the last 10 checks
Median response: 208 ms
Last checked: 17 Oct, 08:59 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://x402-mcp.onrender.com/base/tx-decision
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

21 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://x402-mcp.onrender.com

GET/us/sf/property-check$0.01Does this San Francisco address have Department of Building Inspection notices of violation? Query house number + street and get NOV status, category, filing date, and division. For tenant screening, landlord diligence, and lending checks. Input: address string. Output: JSON, live SF Open Data.
GET/agent/property-due-diligence$0.01Property due diligence agent for US housing compliance open data. Is this property licensed? Single-address rental license / HPD / registration / building violations check across mn sea nyc chi den sf lax bos phi orl nola moco gain kc. GET ?city_code=&address= → compliance_verdict + license/violation fields (JSON). Tenant screening, landlord DD, lending. $0.01 USDC on Base.
GET/us/bos/property-check$0.01Does this Boston address have building and property code violations? Query street number + street name and get case numbers, codes, status, and descriptions from Analyze Boston. For tenant screening and landlord diligence. Input: address string. Output: JSON, live City of Boston open data.
GET/us/sea/property-check$0.01Seattle rental registration check (RRIO): is this property licensed / registered? Property due diligence agent for Seattle housing compliance open data. GET ?address= → rental registration status, unit count, expiration, contact. Live City of Seattle JSON. Tenant screening, landlord DD, real-estate checks.
GET/us/orl/property-check$0.01Does this Orlando address hold a short-term rental license? Query any street address in Orlando, Florida and get license number, status, issued/expire dates, and holder name. For host compliance and agent workflows. Input: address string. Output: JSON, live City of Orlando open data.
GET/us/moco/property-check$0.01Is this property licensed in Montgomery County MD? Property due diligence agent for MoCo housing compliance open data — rental license status/type/units plus active housing code violations. GET ?address= → JSON. Tenant screening, landlord diligence (county-wide, not one city).
GET/mn/property-check$0.01Minneapolis rental license check — is this property licensed? Property due diligence agent for Minneapolis Minnesota (Hennepin) housing compliance open data. GET ?address= (street 1-120 chars) → compliance_verdict (licensed_clean|licensed_with_violations|unlicensed|condemned_or_boarded), rental license status/tier/units/expiration, violation cases, condemned/boarded. Live City JSON. Tenant screening, landlord DD, lending. Sample: /mn/property-check/sample.
GET/us/kc/property-check$0.01Does this Kansas City, Missouri address have open exterior building code violations? Query a street address and get case numbers, ordinance citations, status, and corrective action from city open data. For landlord diligence and agent workflows. Input: address string. Output: JSON, live City of Kansas City open data.
GET/us/nyc/property-check$0.01NYC HPD violations address check: is this property licensed / HPD-registered, and are there open Housing Maintenance Code violations? Property due diligence agent for New York City multi-dwelling housing compliance open data. GET ?address= (house + street, optional borough) → registration window, BIN/block/lot, recent HMC violations JSON. Tenant screening, landlord DD.
GET/base/tx-decision$0.01Should I submit this Base transaction now, and at what fee? One call returns submit-or-wait, max fee per gas and priority fee in gwei (EIP-1559), and the estimated cost in USD for an ETH transfer, USDC ERC-20 transfer, or x402 settlement on Base mainnet. Live gas price and congestion from Base RPC blocks, no API key. For bots that queue transactions: call before every send.
GET/us/lax/property-check$0.01Does this Los Angeles address have open Building & Safety code enforcement cases? Query street number + street name and get open case numbers, type, district, and parcel id. For tenant screening and landlord diligence. Input: address string. Output: JSON, live LA Open Data.
GET/us/sd/property-check$0.01San Diego short term rental license check: is this property licensed for STR? Property due diligence agent for San Diego California housing compliance open data via ArcGIS MapServer. GET ?address= → short-term rental license, status, tier. Host compliance, HOA/property manager, agent workflows.
GET/us/mn/property-check$0.01Minneapolis rental license check: is this property licensed? Property due diligence agent path for Minneapolis Minnesota (Hennepin) housing compliance open data. GET ?address= → rental license status/tier/units/expiration, violation history, condemned/boarded, compliance_verdict. Tenant screening, landlord DD, lending. Live City JSON. US network alias of /mn/property-check.
GET/us/atx/property-check$0.01Austin short term rental license check: is this property licensed for STR? Property due diligence agent for Austin Texas housing compliance open data. GET ?address= → short-term rental license, status. Live Austin JSON. Host compliance, HOA/property manager, agent workflows.
GET/us/gain/property-check$0.01Does this Gainesville, Florida address have open code enforcement cases? Query a street address and get case numbers, types, status, and parcel from city open data. For landlord diligence and agent workflows. Input: address string. Output: JSON, live City of Gainesville open data.
GET/us/chi/property-check$0.01Chicago building violations address check: open DOB code cases for a street address. Property due diligence agent for Chicago Illinois housing compliance open data. GET ?address= → recent building violations with codes, status, inspector comments (JSON). Tenant screening, landlord diligence, lending. Note: citywide rental-license registry is not a single open feed.
GET/us/phi/property-check$0.01Does this Philadelphia address have open L&I property maintenance violations? Query a street address and get violation codes, status, case numbers, and dates from OpenDataPhilly. For tenant screening and landlord diligence. Input: address string. Output: JSON, live City of Philadelphia open data.
GET/us/den/property-check$0.01Denver short term rental license check: is this property licensed for STR? Property due diligence agent for Denver Colorado housing compliance open data. GET ?address= → short-term rental license number, status, parcel, expiration. Live Colorado/Denver JSON. Host compliance, HOA/property manager, agent workflows.
GET/base/finality-check$0.01Base mainnet transaction finality check: given a tx hash, classifies it as not_found, pending, unsafe (sequencer-confirmed only), safe (L1-attested), or finalized (L1-finalized) -- read directly from the node's own safe/finalized block tags, not a modeled reorg probability. Input: tx hash. Output: JSON.
GET/us/nola/property-check$0.01Does this New Orleans address hold an active short-term rental license? Query any street address and get license number, type, subtype, expiration, and operator/holder fields from city open data. For host compliance and agent workflows. Input: address string. Output: JSON, live City of New Orleans open data.
GET/us/bna/property-check$0.01Nashville short-term rental permit check: is this property permitted for STR? Property due diligence agent for Nashville Davidson County housing compliance open data. GET ?address= → permit number, status, type. Live Metro Nashville FeatureServer. Host compliance, HOA, agent workflows.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 21 of 21 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/x402-mcp.onrender.com

Recent checks

26 Sept 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.17 Oct 2026

All 10 checks

When (UTC)	Result	HTTP	Response
17 Oct, 08:59 UTC	Challenge detected	402	280ms
16 Oct, 04:38 UTC	Challenge detected	402	253ms
14 Oct, 19:26 UTC	Challenge detected	402	160ms
12 Oct, 22:31 UTC	Challenge detected	402	260ms
11 Oct, 00:15 UTC	Challenge detected	402	144ms
9 Oct, 15:32 UTC	Challenge detected	402	336ms
8 Oct, 12:43 UTC	Challenge detected	402	162ms
7 Oct, 09:33 UTC	Challenge detected	402	163ms
6 Oct, 09:33 UTC	Challenge detected	402	474ms
26 Sept, 17:02 UTC	Challenge detected	402	116ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 17 Oct, 08:59 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for x402 MCP Storefront?

Its listed price is $0.01.

What payment terms does x402 MCP Storefront advertise?

The listing advertises x402, Base and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is x402 MCP Storefront listed?

In x402 Bazaar. Superstables first indexed it on 26 Sept 2026.

Something wrong on this page? Tell us.