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MARKET MONITOR / CATALOGUE Services 83,381 MCP listed 39,664 x402 43,726 Rails Base / Solana / Polygon / Arbitrum Imported 2026-10-25 · 2 sources
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Removal reason counts

x402 resource x402 REST

buero.halowerk.com · buero.halowerk.com · Comms & Messaging

Price per call 0.004 USDC per call published unit: per_call
Calls · 30d 75 reported by the source
Value at list price · 30d $0.30 calls × published price — not settled revenue
Downloads · 30d — no package published — not measurable
Evidence Usage measured by source read 2026-10-25

Daily market statistics

Day · UTCEarnedGross volumeRefundsObserved transfersMarket capRevenue coverage
2026-10-25———— —none
2026-10-24———— —none
2026-10-23———— —none
2026-10-22———— —none
2026-10-21———— —none
2026-10-20———— —none
2026-10-19———— —none

View daily history → · UTC days; today's figures are partial.

What the provider says

Import report: count rejection reasons independently of DNS latency. Reuses the existing email-list-clean motor. No SMTP probes or mailbox existence/catch-all proof. Local part case, plus and dots are never folded. Up to500 source rows;65s engine bound,70s article bound; one inflight native mail process. Price0.001 USDC plus existing motor quote, minimum0.004; supplied rows including rejected/duplicates billed.

Quoted from x402 Bazaar · source record · read 2026-10-25


Facts and where they come from

Price
0.004 USDC per call Provider claim
Recorded value: 0.004 USDC per call.
Unit
per call
Protocol
x402, REST · transport: HTTP Provider claim
Auth
x402
Source
x402 Bazaar (Coinbase CDP) · Public discovery API (provider-published records)
Last checked
Not checked by us yet — the data is as the source published it
First seen
2026-10-24
Usage
75 calls · 2 unique payers in the 30 days before 2026-10-24. Measured by the x402 Bazaar, not by us and not by the provider.

Payments and earnings

Verified earnings · 30d Unknown
Measured days 0/30
Settled payments —
Ledger computed never

No settled payment on record. Earnings for this service are unknown — not zero. The source counts 75 calls in 30 days, which at the published price is roughly $0.30 of activity. Activity is not revenue; no charge has been reconciled for it.

Payment rails

Base · exact · USDC
0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
0.004 USDC
From source record

A payment rail is where the provider asks to be paid. It is not proof that anything was paid through it. See evidence levels.

Input and output, as published

Request

{
    "body": {
        "emails": [
            "list-demo@gmail.com",
            "list-demo@GMAIL.COM",
            "info@gmail.com",
            "invalid-address",
            "someone@example.invalid"
        ]
    },
    "bodyType": "json",
    "method": "POST",
    "type": "http"
}

Response

{
    "type": "json"
}

Examples are the provider's own, not a call we made.

Provenance

One row per statement. “Verified” means we checked it ourselves and the finding is quoted. “Provider claim” means we read it in the provider's own record. “Not found” is a statement about our search, not proof of absence.

Statement Status What we found Source Checked
Endpoint Provider claim
https://buero.halowerk.com/v1/baumarkt/mail/removal-reason-counts
Evidence

Als Resource-URL im Bazaar-Eintrag geführt.

api.cdp.coinbase.com 2026-10-25
Input output Provider claim
Request/response examples published with the listing
Evidence

Beispiel-Ein- und -Ausgabe stammen aus dem Bazaar-Eintrag des Anbieters.

api.cdp.coinbase.com 2026-10-25
Payment Provider claim
1 rail: Base · payee 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
Evidence

Aus den `accepts`-Einträgen: Netzwerk, Asset, Empfängeradresse und Betrag. Die Adresse ist die Grundlage der späteren On-Chain-Zuordnung; sie ist noch nicht durch eine eigene 402-Antwort bestätigt.

api.cdp.coinbase.com 2026-10-25
Pricing Provider claim
0.004 USDC per call
Evidence

Atomic amount 4000 = 0.004 USDC per call on Base. Netzwerk: Base.

api.cdp.coinbase.com 2026-10-25
Protocol Provider claim
x402 (HTTP 402 payment challenge)
Evidence

Im x402 Bazaar als zahlungspflichtige HTTP-Ressource gelistet (x402Version 2, Typ http).

api.cdp.coinbase.com 2026-10-25
Provider Provider claim
buero.halowerk.com
Evidence

Die Ressource wird unter diesem Host im x402 Bazaar geführt; die Angaben stammen vom Anbieter.

api.cdp.coinbase.com 2026-10-25
Usage Verified
75 calls / 2 unique payers in the last 30 days
Evidence

Nicht von uns gemessen: die Qualitätsangaben des x402 Bazaar (Coinbase), gelesen am 2026-10-25. Letzter Aufruf laut Quelle: 2026-10-12T17:49:53.337Z. Aufrufe sind kein Umsatz.

api.cdp.coinbase.com 2026-10-25

Endpoint checks

We have not called this endpoint yet. Until we do, everything above is what the source published — no more.


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Chosen by category and by whether we have measured them, not by who pays us. A sponsored placement in this list is labelled as such.