api.zfinia.com
https://api.zfinia.com/x402/v1/invoice-arithmetic-auditShares a payout wallet with 178 other endpoints — its adoption is attributed from that shared wallet's traffic, not earned exclusively.
Recompute an invoice exactly and report where it disagrees with itself. Quantity times unit price is an exact decimal product. Rounding happens only where the stated policy says: per line, or once on the whole invoice. Those give different totals, so the difference between the two policies is published rather than one being assumed correct. Also reports a figure with more decimal places than its currency has, and a discount larger than its line.
Reliability & health
Uptime and response time from our own unpaid probes, plus the reliability score built from them.
Uptime
0.0% avgResponse time
Data table
| Bucket | Uptime | Probes | Response time |
|---|---|---|---|
| 10/4/2026, 12:00:00 AM | 0% | 1 | — |
- Availability
- 0
- Latency
- not yet measured
- Security
- 100
- Transparency
- 30
- Activity
- 1
How often it was reachable when we probed it (weight 35%).
How quickly it answers when it is up — fast scores high (weight 20%).
Whether it serves over working TLS / https (weight 15%).
Whether the operator disclosed what it does — description, schema, identity (weight 15%).
Observed on-chain payments to this endpoint's wallet — transactions, volume, and distinct paying wallets over the last month (weight 15%; not yet measured when we have not seen its wallet settle).
Confidence 2% — how much probe evidence backs this score. A thin history is flagged, not hidden.
See the scoring methodology for exactly how each number is computed.
Payment
- Currencies
- USDC
- Networks
- base
- Facilitator
- unknown
- SDK
- unknown
Operator
- Company
- inferred — unknown
- Jurisdiction
- —
- Registrar
- —
- Domain registered
- —
- Hosting network
- —
- Hosting country
- —
Operator context is derived from public RDAP/TLS records and unverified. Company and country are only available for endpoints that publish them (an OV/EV TLS certificate or a non-redacted domain record); most endpoints are CDN-fronted and disclose neither.
On-chain activity (base)
Payments per day
last payment 10/4/2026Data table
| Day | Payments | Volume (USD) | Paying wallets |
|---|---|---|---|
| 9/6/2026 | 8 | 0.07 | 1 |
| 9/9/2026 | 2 | 0 | 1 |
| 9/11/2026 | 1 | 0.01 | 1 |
| 9/14/2026 | 2 | 0.02 | 1 |
| 9/17/2026 | 2 | 0 | 2 |
| 9/19/2026 | 1 | 0 | 1 |
| 9/20/2026 | 1 | 0 | 1 |
| 9/25/2026 | 1 | 0 | 1 |
| 9/29/2026 | 4 | 0.09 | 2 |
| 9/30/2026 | 3 | 0.13 | 3 |
| 10/2/2026 | 20 | 0.1 | 3 |
| 10/3/2026 | 1 | 0.06 | 1 |
| 10/4/2026 | 149 | 23.16 | 1 |
This payout wallet is shared: figures cover all 179 endpoints paid at it, since payments cannot be attributed to one of them. Only payments settled on chains and facilitators we index.
Linked by wallet — likely same operator
On-chain agent identity and the x402 endpoint that shares its settlement wallet.