Paper search
Paper search: OpenAlex works (CC0 data) for a search: title, year, DOI, authors, venue, citation count and open-access link, up to 25, optionally from a given year. Use when you need to answer: Which scholarly papers cover this topic? Cached 24 hours.
Answeringour last check, 2026-10-18
1 of 1checks answered this week
359 msmedian answer time
$0.0075listed price per call
$0.0075price 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
GET https://x402.ochinimus.app/api/papers
| Category | Search and research |
|---|---|
| Provider host | x402.ochinimus.app |
| Networks | algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=, eip155:137, eip155:42161, eip155:5042, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | batch-settlement, 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 |
|---|---|---|---|---|
| 2026-10-18 | valid payment request | 402 | $0.0075 | 359 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"q": "graph neural networks"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"limit": {
"description": "papers returned, 1-25, default 10",
"type": "number"
},
"q": {
"description": "the search text, up to 200 characters",
"type": "string"
},
"year_from": {
"description": "earliest publication year, e.g. 2022",
"type": "number"
}
},
"required": [
"q"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"properties": {
"cached": {
"type": "boolean"
},
"license": {
"type": "string"
},
"papers": {
"type": "array"
},
"query": {
"type": "string"
},
"returned": {
"type": "number"
},
"source": {
"type": "string"
},
"total_matches": {
"type": "number"
},
"year_from": {}
},
"type": "object"
},
"paid": {
"type": "boolean"
},
"tool": {
"type": "string"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}