Retrieve an existing NovaPath math worked example with explanation steps, answer
Retrieve an existing NovaPath math worked example with explanation steps, answer and available model specification. Select a lesson from the free catalog; owner review attested.
Answeringour last check, 2026-10-31
1 of 1checks answered this week
163 msmedian answer time
$0.02listed price per call
$0.02price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://instructional-decision-engine-x402.vercel.app/instruction/worked-example
| Category | Everything else |
|---|---|
| Provider host | instructional-decision-engine-x402.vercel.app |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-31 | valid payment request | 402 | $0.02 | 163 ms |
Example input (from the provider)
{
"body": {
"lessonId": "NPMR26-F42-08"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"lessonId": {
"description": "Choose a supported lesson ID from /instruction/catalog. Availability is validated before payment.",
"pattern": "^NPMR26-F[0-9]{2}-[0-9]{2}$",
"type": "string"
}
},
"required": [
"lessonId"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}