C52.7 / 100
OpenAI o4-mini
Advertised description
(Provider-supplied: an unverified claim, not checked by us. The trust grade above is our independent measurement.)
o4-mini: OpenAI o4 Mini chat completions, USDC per 1M tokens in / out: Flex (default; slower, may answer 429 or 503) 0.55 / 2.2, Standard (service_tier default) 1.1 / 4.4, Fast (service_tier fast; lowest latency) 2.0 /…
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o4-mini: OpenAI o4 Mini chat completions, USDC per 1M tokens in / out: Flex (default; slower, may answer 429 or 503) 0.55 / 2.2, Standard (service_tier default) 1.1 / 4.4, Fast (service_tier fast; lowest latency) 2.0 / 8.0, plus 0.0025 per call on Base or 0.002 on Solana. Reasoning levels: low, medium, high, xhigh (send model o4-mini:<level> or reasoning_effort). Quote charges input plus 10% of max_tokens as output (the model may use all of it); reasoning tokens count as output and come first, so send max_tokens >= 128 for short answers. Empty answers are free. Sheet: https://openai.mm.family/x402/pricing
30-day uptime
48.8%
Avg latency (EU)
607 ms
moderate · measured from a single EU vantage point; includes network round-trip distance to the endpoint; a geographically distant endpoint reads slower even when its server is fast, so it is only lightly weighted in the score
Confidence
1.00
full-density score
Advertised price
$0.001
USDC
Price stability
1 change
last 30 days
Probes (30d)
166
full record · up to 48/day
More details ▾
| Endpoint ID | 174492 |
| Pay on Base | $0.002537 USDC · to 0xa912…a39b ↗ |
| First seen | 2026-10-01 |
| Last probed | 2026-10-30 |
| Status | listed |
| Snapshot computed | 2026-10-30 03:05 UTC (free snapshot, recomputed at least every 24h) |
Why this verdict?2 error flags1 warning
A wallet payment page opens first; approve the USDC payment and the full JSON report loads right in your browser. Want a taste first? Read a free full sample report.
This page is the free cached snapshot (computed 6 hours ago, refreshed at least every 24h). Here's what the paid API adds.
✓Live re-probe at decision time
The score is computed the moment you ask, not up to 24h ago.✓Instant snapshot refresh
Every paid call rewrites this page, the badge and the card immediately.✓The full “why”, machine-readable
Confidence band, component breakdown, every risk flag with its evidence.✓On-chain settlement proof
Real USDC volume and distinct payers behind the pay-to wallet.✓90-day raw history
Every listing, price and payTo change, every probe result.✓Ranked better alternatives
Higher-scored endpoints serving the same function, when they exist.✓Change & liveness alerts
PayTo/price moves, spec regressions, downtime; 5-minute probes while watched.
$
npx -y x402-trust-mcpGive your agents the tools to do all of this for you, with one install. Agents use the x402_trust_score MCP tool or POST /v1/x402-trust directly (pay-per-call over x402, from $0.005).