What the provider says
Verify an on-chain payment without trusting any RPC: did this tx transfer at least this amount of a token (default USDC) to this payee, optionally from this payer? Proven by Plumb (Base via proof-backed L1 checkpoints, Ethereum via a light client, XRP Ledger via a quorum of Ripple's validator…
Quoted from x402 Bazaar
· source record
· read 2026-10-26
Facts and where they come from
- Price
-
0.02 USDC per call
Provider claim
Recorded value: 0.05 USDC per call.
- Unit
- per call
- Protocol
-
x402, REST
· transport: HTTP
Provider claim
- Auth
- x402
- Last checked
-
Not checked by us yet — the data is as the source published it
- First seen
- 2026-10-24
- Usage
-
2 calls
· 1 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 2 calls in 30 days, which at the
published price is roughly $0.04 of
activity. Activity is not revenue; no charge has been reconciled for it.
Payment rails
Base
· exact · USDC
0x075973B10A1a5a3b738F3E7D892a9591DFE31b43
0.05 USDC
From source record
xrpl:0
· channel · asset unresolved
rpkhorcjzeFLxsBmui5sYmfVdpZAuMy8LZ
raw amount 15562 (unit unresolved)
From source record
xrpl:0
· exact · asset unresolved
r9Y5kWQvZLXn4vuvqNJovoNpJFzpMCuP2d
raw amount 0.05 (unit unresolved)
From source record
xrpl:0
· escrow · asset unresolved
r9Y5kWQvZLXn4vuvqNJovoNpJFzpMCuP2d
raw amount 37641 (unit unresolved)
From source record
xrpl:0
· ledger · asset unresolved
r9Y5kWQvZLXn4vuvqNJovoNpJFzpMCuP2d
raw amount 188201 (unit unresolved)
From source record
xrpl:0
· credits · asset unresolved
raUiAFeLjNsimQAfNTsHmV876xSCWeXi1B
raw amount 5 (unit unresolved)
From source record
A payment rail is where the provider asks to be paid. It is not proof that anything was paid
through it. See evidence levels.
Input and output, as published
Request
{
"description": "Verify an on-chain payment without trusting any RPC: did this tx transfer at least this amount of a token (default USDC) to this payee, optionally from this payer? Proven by Plumb (Base via proof-backed L1 checkpoints, Ethereum via a light client, XRP Ledger via a quorum of Ripple's validator\u2026",
"example": {
"chain": "base",
"minAmountRaw": "50000",
"payee": "0x1111111111111111111111111111111111111111",
"txHash": "0xabababababababababababababababababababababababababababababababab"
},
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"chain": {
"default": "base",
"description": "Chain of the payment",
"enum": [
"base",
"ethereum",
"xrpl"
],
"type": "string"
},
"invoiceId": {
"description": "XRPL only: the InvoiceID (64 hex) the payment must carry; binds the answer and its signed receipt to your invoice",
"type": "string"
},
"logIndex": {
"description": "Bind to one transfer: its position within the tx's logs",
"minimum": 0,
"type": "integer"
},
"minAmountRaw": {
"description": "Minimum amount in base units, e.g. \"50000\" = 0.05 USDC (default: any). XRPL: XRP drops, or millionths of an issued currency",
"type": "string"
},
"payee": {
"description": "Address that should have received the money (XRPL: an r... account)",
"type": "string"
},
"payer": {
"description": "Only count transfers from this address (the token holder who paid)",
"type": "string"
},
"requiredLevel": {
"description": "Proof level you need before releasing money (Base: tee_attested < zk_proven < resolved; Ethereum: finalized; XRPL: unl_quorum). The answer then says whether it is releasable.",
"enum": [
"tee_attested",
"zk_proven",
"resolved",
"finalized",
"unl_quorum"
],
"type": "string"
},
"token": {
"description": "ERC-20 contract (default: USDC on the chain). XRPL: RLUSD (default), XRP, or CURRENCY.rIssuer",
"type": "string"
},
"txHash": {
"description": "Transaction hash (0x + 64 hex; XRPL: 64 hex)",
"type": "string"
}
},
"required": [
"txHash",
"payee"
],
"type": "object"
},
"toolName": "verify_payment",
"transport": "streamable-http",
"type": "mcp"
}
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://numba2witcheese.tail7d8d44.ts.net:10000/pde-mcp#deduplicate#deduplicate
Evidence
Als Resource-URL im Bazaar-Eintrag geführt.
|
api.cdp.coinbase.com
|
2026-10-26 |
|
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
|
2026-10-26 |
|
Payment
|
Provider claim |
4 rails: Base, xrpl:0 · payee 0x075973B10A1a5a3b738F3E7D892a9591DFE31b43
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
|
2026-10-26 |
|
Pricing
|
Provider claim |
0.05 USDC per call
Evidence
Atomic amount 50000 = 0.05 USDC per call on Base. 4 payment options published. Netzwerk: Base, xrpl:0.
|
api.cdp.coinbase.com
|
2026-10-26 |
|
Protocol
|
Provider claim |
x402 (HTTP 402 payment challenge)
Evidence
Im x402 Bazaar als zahlungspflichtige HTTP-Ressource gelistet (x402Version 2, Typ mcp).
|
api.cdp.coinbase.com
|
2026-10-26 |
|
Provider
|
Provider claim |
numba2witcheese.tail7d8d44.ts.net
Evidence
Die Ressource wird unter diesem Host im x402 Bazaar geführt; die Angaben stammen vom Anbieter.
|
api.cdp.coinbase.com
|
2026-10-26 |
|
Usage
|
Verified |
1 calls / 1 unique payers in the last 30 days
Evidence
Source-reported usage from Coinbase x402 Bazaar, read on 2026-10-26. Letzter Aufruf laut Quelle: 2026-10-15T17:46:40.091Z. Aufrufe sind kein Umsatz.
|
api.cdp.coinbase.com
|
2026-10-26 |
Endpoint checks
We have not called this endpoint yet. Until we do, everything above is what the source
published — no more.