Compare two to four exact Internet Archive references across authorship, reporte
Compare two to four exact Internet Archive references across authorship, reported publication year, subjects and reported license coverage. Highlights missing metadata and shared subject terms, with direct source links. No full-text comparison, expert ranking or rights certification.
Answeringour last check, 2026-10-31
1 of 1checks answered this week
167 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/archive/compare
| Category | Everything else |
|---|---|
| Provider host | instructional-decision-engine-x402.vercel.app |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 0 from 0 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-31 | valid payment request | 402 | $0.02 | 167 ms |
Example input (from the provider)
{
"body": {
"identifiers": [
"teacher-education_202212",
"readingsinhealth0000vari"
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"identifiers": {
"items": {
"pattern": "^[A-Za-z0-9][A-Za-z0-9._-]{0,199}$",
"type": "string"
},
"maxItems": 4,
"minItems": 2,
"type": "array",
"uniqueItems": true
}
},
"required": [
"identifiers"
],
"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"
}