Saylor Innovations Papers
Paper lookup by DOI, arXiv id, PMID or OpenAlex id - abstract, authors, venue and citations
Offering
- Provider
- saylorinnovations.com
- Method
- GET
- Offering type
- Api Endpoint
- Transport type
- http
- Category
- Science And Education
- Delivery
- Not provided
- Pricing model
- Not provided
- x402 version
- 2
Endpoint context
- URL
https://saylorinnovations.com/api/papers/paper- MIME type
- Not provided
- First seen
- 2026-10-16T01:50:53.972Z
- Last seen
- Tags
- papers, academic, Research, Science, paper
Payment pricing
x402 payment terms are the authoritative price for calling this endpoint.
- Payment option 1
- 0.01 USDC
Atomic price: 10000 · Network: eip155:8453 · Asset: USDC · Scheme: exact - Payment option 2
- 0.01 USDC
Atomic price: 10000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Raw x402 terms
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]Observed health
- Status
- Healthy
- Latest latency
- 482 ms
- Average latency
- 1007 ms
- HTTP status
- 402
- Last checked
- Reachability
- 100% over 13 checks
Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.
Input schema
{
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"POST",
"PUT",
"PATCH",
"DELETE",
"HEAD"
],
"type": "string"
},
"queryParams": {
"properties": {
"id": {
"description": "DOI, arXiv id, PMID or OpenAlex W-id (query)",
"type": "string"
}
},
"required": [
"id"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
}Output schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"POST",
"PUT",
"PATCH",
"DELETE",
"HEAD"
],
"type": "string"
},
"queryParams": {
"properties": {
"id": {
"description": "DOI, arXiv id, PMID or OpenAlex W-id (query)",
"type": "string"
}
},
"required": [
"id"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"abstract": {
"description": "Abstract text",
"type": [
"string",
"null"
]
},
"arxiv_id": {
"description": "arXiv identifier",
"type": [
"string",
"null"
]
},
"authors": {
"description": "Author names",
"type": [
"array",
"null"
]
},
"categories": {
"description": "Categories",
"type": [
"array",
"null"
]
},
"cited_by": {
"description": "Number of citations received",
"type": [
"number",
"null"
]
},
"cited_by_note": {
"description": "Cited by note",
"type": [
"string",
"null"
]
},
"comment": {
"type": [
"string",
"null"
]
},
"doi": {
"description": "Digital object identifier",
"type": [
"string",
"null"
]
},
"found": {
"description": "True when the lookup matched a record",
"type": "boolean"
},
"id": {
"description": "Identifier of the record",
"type": "string"
},
"journal_ref": {
"description": "Journal ref"
},
"open_access": {
"description": "Open access",
"type": [
"boolean",
"null"
]
},
"openalex_id": {
"description": "Openalex id identifier",
"type": [
"string",
"null"
]
},
"pdf_url": {
"description": "URL of the PDF",
"type": [
"string",
"null"
]
},
"primary_category": {
"description": "Primary category",
"type": [
"string",
"null"
]
},
"published": {
"description": "Publication date",
"type": [
"string",
"null"
]
},
"references": {
"type": [
"number",
"null"
]
},
"source": {
"description": "Data source the values come from",
"type": [
"string",
"null"
]
},
"title": {
"description": "Title",
"type": [
"string",
"null"
]
},
"topic": {
"description": "Topic",
"type": [
"string",
"null"
]
},
"updated": {
"description": "Time the record was last updated",
"type": [
"string",
"null"
]
},
"url": {
"description": "Canonical URL",
"type": [
"string",
"null"
]
},
"venue": {
"description": "Trading venue",
"type": [
"string",
"null"
]
},
"version": {
"description": "Version identifier",
"type": [
"number",
"null"
]
},
"year": {
"description": "Calendar year",
"type": [
"number",
"null"
]
}
},
"required": [
"id",
"found"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
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],
"type": "object"
}