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Document Information Extraction Literature Search
x402
Document Information Extraction Literature Search is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-21).
Searches academic literature on document information extraction topics using Crossref publisher metadata, returning DOI references and source attributions.
Price / call$0.01
Success—
StatusUnknown
How this service works
document information extraction: Literature search: Literature search on document information extraction using Crossref publisher metadata. Returns DOI references and source attribution. Query can be overridden; sample summaries are labelled.
Output
Returns a list of academic publications including DOI references and source attributions, based on Crossref publisher metadata. Results include labeled summaries and are searchable by custom query string, with configurable result count (1–30).
Example use cases
Academic literature review on document AI
“Can you search for published research papers on document information extraction and return up to 20 results with their DOI references so I can build a bibliography?”
Finding sources for OCR research survey
“I'm writing a survey on optical character recognition — can you pull recent Crossref literature results on document information extraction, up to 10 papers, with their DOIs and publisher details?”
Discovering citation sources for NLP pipeline
“Search for academic papers about document information extraction using the Crossref database and give me 5 results with their DOIs so I can trace the key citations.”
Technical details
Endpoint
POSThttps://market.datapackvibe.com/x402/signal-research-document-understanding-literature-search?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to find peer-reviewed academic literature with DOI references on document information extraction topics, particularly when Crossref coverage is needed for citation tracking or bibliographic work. Prefer this over general web search when verifiable DOI metadata and publisher attribution are required.
Side effects
- No results returned if query is too specific or niche topic not indexed in Crossref
- Query exceeding 200 characters will be rejected
- max_results outside 1–30 range will fail validation
- Crossref metadata may be incomplete for some publications
- Rate limiting or payment failure may prevent call execution
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| query | string | |
| max_results | integer |
Tags
x402
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