Resolve a DOI into normalized publication metadata, citation text, identifiers a
Resolve a DOI into normalized publication metadata, citation text, identifiers and source links. Abstracts and full paper text are excluded.
Answeringour last check, 2026-09-25
1 of 1checks answered this week
294 msmedian answer time
$0.003listed price per call
$0.003price 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://saylorinnovations.com/api/research/doi
| Category | Search and research |
|---|---|
| Provider host | saylorinnovations.com |
| Networks | eip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 3 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-25 | valid payment request | 402 | $0.003 | 294 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"doi": "10.1038/nphys1170"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"POST",
"PUT",
"PATCH",
"DELETE",
"HEAD"
],
"type": "string"
},
"queryParams": {
"properties": {
"doi": {
"description": "DOI identifier, optionally prefixed with https://doi.org/.",
"type": "string"
}
},
"required": [
"doi"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"queryParams"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"report": {
"properties": {
"authors": {
"items": {
"type": "string"
},
"type": "array"
},
"citation": {
"type": "string"
},
"citedByCount": {
"type": [
"integer",
"null"
]
},
"doi": {
"type": "string"
},
"publication": {
"type": [
"string",
"null"
]
},
"publisher": {
"type": [
"string",
"null"
]
},
"referenceCount": {
"type": [
"integer",
"null"
]
},
"title": {
"type": "string"
},
"type": {
"type": [
"string",
"null"
]
},
"url": {
"type": "string"
},
"year": {
"type": [
"integer",
"null"
]
}
},
"required": [
"doi",
"title",
"authors",
"citation"
],
"type": "object"
},
"retrievedAt": {
"format": "date-time",
"type": "string"
},
"service": {
"type": "string"
},
"source": {
"properties": {
"name": {
"type": "string"
},
"url": {
"format": "uri",
"type": "string"
}
},
"required": [
"name",
"url"
],
"type": "object"
},
"subject": {
"type": "string"
}
},
"required": [
"service",
"subject",
"retrievedAt",
"source",
"report"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}