PQS - A Quality Gate For Prompts
A Quality Gate For Prompts. Before they break production. Score any AI prompt against 8 dimensions, see what's weak, and get the fixed version in seconds.
Offering
- Provider
- promptqualityscore.com
- Method
- POST
- Offering type
- Api Endpoint
- Transport type
- http
- Category
- Development
- Delivery
- Not provided
- Pricing model
- Not provided
- x402 version
- 2
Endpoint context
- URL
https://promptqualityscore.com/api/variants- MIME type
- Not provided
- First seen
- 2026-10-16T01:59:37.852Z
- Last seen
- Tags
- AI, Utility
Payment pricing
x402 payment terms are the authoritative price for calling this endpoint.
- Payment option 1
- 0.1 USDC
Atomic price: 100000 · Network: eip155:8453 · Asset: USDC · Scheme: exact - Payment option 2
- 0.1 USDC
Atomic price: 100000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
{
"scheme": "exact",
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "100000",
"payTo": "0xb40a687ca5483ebc02f870348f6e08971cae1308"
},
{
"scheme": "exact",
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "100000",
"payTo": "0xB40a687ca5483Ebc02F870348f6e08971Cae1308"
}
]Observed health
- Status
- Healthy
- Latest latency
- 91 ms
- Average latency
- 201 ms
- HTTP status
- 204
- Last checked
- Reachability
- 100% over 14 checks
Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.
Input schema
{
"type": "http",
"method": "POST",
"bodyType": "json",
"bodyFields": {
"count": {
"type": "integer",
"description": "Number of variants to generate (1-5, default 3)"
},
"prompt": {
"type": "string",
"description": "Prompt to generate variants for"
},
"vertical": {
"type": "string",
"description": "Domain: software/content/business/education/science/crypto/general/research"
}
},
"discoverable": true
}Output schema
{
"type": "object",
"required": [
"pqs_version",
"variants"
],
"properties": {
"variants": {
"type": "array",
"items": {
"type": "object",
"properties": {
"score": {
"type": "object",
"properties": {
"grade": {
"enum": [
"A",
"B",
"C",
"D",
"F"
],
"type": "string"
},
"total": {
"type": "integer",
"maximum": 80,
"minimum": 8
},
"out_of": {
"enum": [
80
],
"type": "integer"
},
"dimensions": {
"type": "object",
"properties": {
"total": {
"type": "integer",
"maximum": 80,
"minimum": 8
},
"clarity": {
"type": "integer",
"maximum": 10,
"minimum": 1
},
"context": {
"type": "integer",
"maximum": 10,
"minimum": 1
},
"examples": {
"type": "integer",
"maximum": 10,
"minimum": 1
},
"constraints": {
"type": "integer",
"maximum": 10,
"minimum": 1
},
"specificity": {
"type": "integer",
"maximum": 10,
"minimum": 1
},
"cot_structure": {
"type": "integer",
"maximum": 10,
"minimum": 1
},
"output_format": {
"type": "integer",
"maximum": 10,
"minimum": 1
},
"role_definition": {
"type": "integer",
"maximum": 10,
"minimum": 1
}
}
},
"percentile": {
"type": "integer"
}
}
},
"style": {
"type": "string",
"description": "Generation angle: detailed | concise | structured | role-framed | example-led"
},
"prompt": {
"type": "string"
},
"delta_vs_baseline": {
"type": "integer",
"description": "score.total - baseline_score.total"
}
}
},
"maxItems": 5,
"minItems": 1
},
"vertical": {
"type": "string"
},
"powered_by": {
"type": "string"
},
"pqs_version": {
"enum": [
"2.0"
],
"type": "string"
},
"baseline_score": {
"type": "object",
"properties": {
"grade": {
"enum": [
"A",
"B",
"C",
"D",
"F"
],
"type": "string"
},
"total": {
"type": "integer",
"maximum": 80,
"minimum": 8
},
"out_of": {
"enum": [
80
],
"type": "integer"
},
"dimensions": {
"type": "object",
"properties": {
"total": {
"type": "integer",
"maximum": 80,
"minimum": 8
},
"clarity": {
"type": "integer",
"maximum": 10,
"minimum": 1
},
"context": {
"type": "integer",
"maximum": 10,
"minimum": 1
},
"examples": {
"type": "integer",
"maximum": 10,
"minimum": 1
},
"constraints": {
"type": "integer",
"maximum": 10,
"minimum": 1
},
"specificity": {
"type": "integer",
"maximum": 10,
"minimum": 1
},
"cot_structure": {
"type": "integer",
"maximum": 10,
"minimum": 1
},
"output_format": {
"type": "integer",
"maximum": 10,
"minimum": 1
},
"role_definition": {
"type": "integer",
"maximum": 10,
"minimum": 1
}
}
},
"percentile": {
"type": "integer"
}
}
},
"original_prompt": {
"type": "string"
},
"best_variant_index": {
"type": "integer",
"minimum": 0
}
}
}