promptqualityscore.com
14 listed endpoints · free reliability snapshot (may be up to 24h old)
Base Solana
B 14
endpoints
14
avg trust score
76.2
ecosystem avg 52.0
avg 30-day uptime
93.5%
ecosystem avg 53.6%
avg latency (EU)
784 ms
measured from a single EU vantage point; includes network round-trip distance to the endpoint
price band
$0.001–$1.25
USDC per call
networks
2
At a glance
promptqualityscore.com operates 14 listed x402 endpoints across 2 networks. 14 of them carry a computed trust score, averaging 76.2 of 100 (above the ecosystem average of 52.0). Average 30-day uptime across the measured endpoints is 93.5% (above the ecosystem average of 53.6%). Advertised prices range from $0.001 to $1.25 USDC per call. Best-scored endpoint: /api/pqs-grade (grade B, 77.6).
Top endpoints by trust score
- /api/pqs-grade/api/pqs-gradeQuick pre-flight quality score: composite (0-100) + grade (A-F) + three framework sub-scores (PEEM, RAGAS, G-Eval) + verdict. Run upstream of any other paid…→
- /api/score/batch/api/score/batch→
- /api/preflight/api/preflightPass/Fail before you waste budget on a doomed call. Decide whether to make a paid LLM call before you make it. Preflight scores your prompt against an 8-dime…→
- /api/score/api/scorePQS score - 8-dimensional prompt quality breakdown across 5 frameworks with top fixes→
- /api/fix-injection/api/fix-injectionPQS injection detection - heuristic + LLM verdict on prompt-injection attempts with sanitized output→
All endpoints
| endpoint▼ | grade▼ | uptime 30d▼ | conf.▼ | price▼ |
|---|---|---|---|---|
| /api/pqs-grade | B 77.6 | 94.6% | 1.00 | $0.001 |
| /api/preflight | B 77.3 | 94.0% | 1.00 | $0.05 |
| /api/score | B 77.3 | 93.5% | 1.00 | $0.025 |
| /api/fix-injection | B 77.3 | 93.5% | 1.00 | $0.025 |
| /api/variants | B 77.3 | 93.7% | 1.00 | $0.1 |
| /api/score/full | B 76.6 | 92.3% | 1.00 | $0.125 |
| /api/score/compare/sol | B 74.3 | 93.4% | 0.97 | $1.25 |
| /api/score/full/sol | B 74.1 | 92.9% | 0.97 | $0.125 |
| /api/proxy/venice | B 77.0 | 92.5% | 1.00 | $0.05 |
| /api/score/compare | B 77.3 | 92.9% | 1.00 | $1.25 |
| /api/preflight/sol | B 74.6 | 94.2% | 0.97 | $0.05 |
| /api/score/batch | B 77.6 | 94.3% | 1.00 | $0.25 |
| /api/score/sol | B 74.4 | 93.7% | 0.97 | $0.025 |
| /api/score/batch/sol | B 74.2 | 93.1% | 0.97 | $0.25 |
Scores use reduced-density sampling; live probe, full 30-min density and 90-day history via the paid API. Provider-supplied names and descriptions are unverified claims; the grades are our independent measurement.