{
"openapi": "3.0.1",
"info": {
"title": "Crossref Scraper - Scholarly Works, DOIs & Funders",
"description": "Search Crossref (160M+ scholarly works) or look up DOIs and get clean rows: title, authors, affiliation, publisher, journal, year, citation count, funders with award numbers, license, ISSN/ISBN and abstract. Search, filter, or paste DOIs. No API key, no browser.",
"version": "0.1",
"x-build-id": "75TqkMt3ehVZbU3R3"
},
"servers": [
{
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}
],
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"summary": "Executes an Actor, waits for its completion, and returns Actor's dataset items in response.",
"tags": [
"Run Actor"
],
"requestBody": {
"required": true,
"content": {
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"schema": {
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},
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"name": "token",
"in": "query",
"required": true,
"schema": {
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},
"description": "Enter your Apify token here"
}
],
"responses": {
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"description": "OK"
}
}
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},
"/acts/scrapesage~crossref-scraper/runs": {
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"responses": {
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"post": {
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"x-openai-isConsequential": false,
"summary": "Executes an Actor, waits for completion, and returns the OUTPUT from Key-value store in response.",
"tags": [
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"requestBody": {
"required": true,
"content": {
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"required": true,
"schema": {
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"description": "Enter your Apify token here"
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"responses": {
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"description": "OK"
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},
"components": {
"schemas": {
"inputSchema": {
"type": "object",
"properties": {
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"title": "Search queries",
"type": "array",
"description": "What to search Crossref for, one per line - e.g. machine learning, climate policy. Searches titles, authors, abstracts and metadata. Leave empty and the run returns a small free sample.",
"items": {
"type": "string"
}
},
"dois": {
"title": "DOIs (exact lookup)",
"type": "array",
"description": "Specific DOIs to look up exactly, one per line - e.g. 10.1038/nature14539 or a full https://doi.org/... URL.",
"items": {
"type": "string"
}
},
"filter": {
"title": "Filter (optional, advanced)",
"type": "string",
"description": "A Crossref filter expression, combined with the search - e.g. from-pub-date:2024-01-01,type:journal-article or has-funder:true,funder:10.13039/100000001. See the Crossref REST API docs."
},
"searchQueriesFromFile": {
"title": "Import queries or DOIs from a file",
"type": "string",
"description": "Bulk-load search queries or DOIs (auto-detected). Either paste the whole list (one per line), or give a single link to a public .txt/.csv, a Google Sheet/Drive link, or an Apify key-value-store record. A file that cannot be read says so and charges nothing."
},
"sortBy": {
"title": "Sort by",
"enum": [
"relevance",
"published",
"cited",
"updated"
],
"type": "string",
"description": "How to order search results (DOI lookups are always exact).",
"default": "relevance"
},
"maxItemsPerQuery": {
"title": "Max works per query",
"minimum": 1,
"type": "integer",
"description": "How many works to collect for each search query.",
"default": 50
},
"maxItems": {
"title": "Max works (total)",
"minimum": 1,
"type": "integer",
"description": "Overall cap across all queries, DOIs and the filter. You are only charged for works actually saved.",
"default": 1000
},
"outputFields": {
"title": "Output fields (leave empty for all)",
"type": "array",
"description": "Pick the fields you want and every record is trimmed to exactly those - handy for lean CSV/Sheets exports.",
"items": {
"type": "string",
"enum": [
"type",
"doi",
"doiUrl",
"title",
"subtitle",
"workType",
"authors",
"authorCount",
"firstAuthorAffiliation",
"publisher",
"containerTitle",
"volume",
"issue",
"page",
"publishedYear",
"publishedDate",
"issn",
"isbn",
"referenceCount",
"citedByCount",
"funders",
"funderNames",
"licenseUrls",
"isOpenAccess",
"language",
"subjects",
"abstract",
"url",
"crossrefUrl",
"scrapedAt"
],
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"DOI (doi)",
"DOI URL (doiUrl)",
"Title (title)",
"Subtitle (subtitle)",
"Work type (workType)",
"Authors (authors)",
"Author count (authorCount)",
"First-author affiliation (firstAuthorAffiliation)",
"Publisher (publisher)",
"Journal / container (containerTitle)",
"Volume (volume)",
"Issue (issue)",
"Page (page)",
"Published year (publishedYear)",
"Published date (publishedDate)",
"ISSN (issn)",
"ISBN (isbn)",
"Reference count (referenceCount)",
"Cited-by count (citedByCount)",
"Funders (funders)",
"Funder names (funderNames)",
"License URLs (licenseUrls)",
"Open access (isOpenAccess)",
"Language (language)",
"Subjects (subjects)",
"Abstract (abstract)",
"Resource URL (url)",
"Crossref URL (crossrefUrl)",
"Scraped at (scrapedAt)"
]
}
}
}
},
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"type": "object",
"properties": {
"data": {
"type": "object",
"properties": {
"id": {
"type": "string"
},
"actId": {
"type": "string"
},
"userId": {
"type": "string"
},
"startedAt": {
"type": "string",
"format": "date-time",
"example": "2025-01-08T00:00:00.000Z"
},
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"type": "string",
"format": "date-time",
"example": "2025-01-08T00:00:00.000Z"
},
"status": {
"type": "string",
"example": "READY"
},
"meta": {
"type": "object",
"properties": {
"origin": {
"type": "string",
"example": "API"
},
"userAgent": {
"type": "string"
}
}
},
"stats": {
"type": "object",
"properties": {
"inputBodyLen": {
"type": "integer",
"example": 2000
},
"rebootCount": {
"type": "integer",
"example": 0
},
"restartCount": {
"type": "integer",
"example": 0
},
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"type": "integer",
"example": 0
},
"computeUnits": {
"type": "integer",
"example": 0
}
}
},
"options": {
"type": "object",
"properties": {
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"type": "string",
"example": "latest"
},
"timeoutSecs": {
"type": "integer",
"example": 300
},
"memoryMbytes": {
"type": "integer",
"example": 1024
},
"diskMbytes": {
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}
}
},
"buildId": {
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},
"defaultKeyValueStoreId": {
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},
"defaultDatasetId": {
"type": "string"
},
"defaultRequestQueueId": {
"type": "string"
},
"buildNumber": {
"type": "string",
"example": "1.0.0"
},
"containerUrl": {
"type": "string"
},
"usage": {
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"properties": {
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"type": "integer",
"example": 0
},
"DATASET_READS": {
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"DATASET_WRITES": {
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},
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"KEY_VALUE_STORE_WRITES": {
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"example": 1
},
"KEY_VALUE_STORE_LISTS": {
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},
"REQUEST_QUEUE_READS": {
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"example": 0
},
"REQUEST_QUEUE_WRITES": {
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"example": 0
},
"DATA_TRANSFER_INTERNAL_GBYTES": {
"type": "integer",
"example": 0
},
"DATA_TRANSFER_EXTERNAL_GBYTES": {
"type": "integer",
"example": 0
},
"PROXY_RESIDENTIAL_TRANSFER_GBYTES": {
"type": "integer",
"example": 0
},
"PROXY_SERPS": {
"type": "integer",
"example": 0
}
}
},
"usageTotalUsd": {
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"example": 0.00005
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"usageUsd": {
"type": "object",
"properties": {
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},
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"type": "number",
"example": 0.00005
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"KEY_VALUE_STORE_LISTS": {
"type": "integer",
"example": 0
},
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"type": "integer",
"example": 0
},
"REQUEST_QUEUE_WRITES": {
"type": "integer",
"example": 0
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}