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PQS: Prompt Quality Score - Full Analysis
x402
PQS: Prompt Quality Score - Full Analysis is a paid API for AI agents from api.relai.fi, paid per call via x402, $0.125000/call, status unknown (last checked 2026-09-14).
Analyzes a prompt's quality, generates an optimized version, and returns before/after scores along with both original and improved outputs
Price / call$0.125000
Success—
StatusUnknown
How this service works
Full PQS analysis: optimized prompt + before/after scoring + both outputs
Output
Returns a full analysis object including: the original prompt's quality score, an optimized version of the prompt, the optimized prompt's quality score, the output generated by the original prompt, and the output generated by the optimized prompt — enabling direct before/after comparison.
Example use cases
Example prompt
“Can you run a full PQS (Prompt Quality Score) analysis on this prompt: 'Explain how neural networks work' — use the 'education' vertical, and show me the optimized version along with the before and after quality scores?”
Technical details
Endpoint
GEThttps://api.relai.fi/relay/1779373065272/api/score/fullWhen to prefer
Choose this endpoint when you need a comprehensive, end-to-end prompt quality evaluation — not just a score, but also the optimized prompt and side-by-side outputs. Prefer this over a basic scoring endpoint when you want actionable improvement, not just a number.
Side effects
- Empty or missing prompt returns validation error
- Prompt exceeding 10,000 characters is rejected
- Invalid vertical enum value returns 400 error
- Payment not provided or insufficient results in 402 Payment Required
- Service timeout if prompt is unusually complex
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| prompt | string | Prompt to run through both Claude and GPT-4o for cross-model comparison |
| vertical | string | Domain: software/content/business/education/science/crypto/general/research |
Tags
x402
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