[switch to human view]

# rubric-protocol.com: x402 seller record on paidfor.dev

Of 35 paid calls to rubric-protocol.com, every one was delivered at the listed price. Verdict: ok.

Checked 0 times this week through GET https://paidfor.dev/v1/check.

## Numbers

verdict: ok
verdict_basis: measured
domain: rubric-protocol.com
tier: tail
category: data
low_sample: false
calls: 35
failures: 0
failure_rate: 0
wilson_low: 0
wilson_high: 0.0989009937303319
non_delivery: 0
overcharge: 0
duplicate: 0
wrong_goods: 0
dollar_weighted_rate: 0
median_quote_usdc: 0.001000
onchain_inflow_30d_usdc: 12.486000
bazaar_listing_count: 30
last_seen: 2026-10-29T08:11:04.761Z
min_calls_for_rating: 30
evidence_url: https://raw.githubusercontent.com/sarmadahsan/paidfor-data/main/evidence/rubric-protocol.com.json
checks_7d: 0

## Reported by operators

No operator has reported a verified purchase from rubric-protocol.com yet. Operators running @paidfor/x402-safe-fetch with telemetry set to verified add to this series.

## Resources (at least 10 paid calls)

No resource of this seller reached 10 paid calls.

## Evidence

failures_total: 0
shown: 0

| timestamp | outcome | method | resource | quote_usdc | reference_price_usdc | reference_source | http_status | validator_failures | settlement_tx |
|---|---|---|---|---|---|---|---|---|---|

## Seller response

No reply from rubric-protocol.com yet. Sellers who respond get their reply published here verbatim within a day of receipt; a reply never changes a number.

## How to use this

- This page as JSON: GET https://paidfor.dev/v1/seller/rubric-protocol.com
- Check any URL: GET https://paidfor.dev/v1/check?url=rubric-protocol.com
- MCP tool: check_x402_seller({ url: "rubric-protocol.com" })
- MCP install, any client: https://paidfor.dev/install.md (stdio: npx @paidfor/mcp)
- MCP over Streamable HTTP: https://mcp.paidfor.dev/mcp
- There are no API keys and no rate limit for now.

Worked example: GET https://paidfor.dev/v1/check?url=rubric-protocol.com

```
OK: 0 of 35 paid calls to rubric-protocol.com failed the buyer (95% interval up to 9.9%). Evidence: https://raw.githubusercontent.com/sarmadahsan/paidfor-data/main/evidence/rubric-protocol.com.json
```

Response fields: input, host, verdict (avoid|caution|ok|unknown), verdict_text, seller, resource, probe, seller_url, evidence_url, methodology_url, generated_at.

Source: https://raw.githubusercontent.com/sarmadahsan/paidfor-data/main/evidence/rubric-protocol.com.json (generated_at 2026-10-29T08:13:33.137Z)

Human view: https://paidfor.dev/view?set=human&to=/seller/rubric-protocol.com (sets a one-year cookie; or append ?view=human to any page)