# Research data API 39 tools from Eden AI, Litescrape and 7 more, from $0.00015 per call, some tools free. ## Capabilities - [Scientific papers](/tools/knowledge/papers.md): 4 tools, from $0.00015 per call, some tools free. - [Wikipedia, books & web archives](/tools/knowledge/reference.md): 6 tools, from $0.00015 per call, some tools free. ## All 39 tools - [DOI metadata search](/providers/crossref/search-works.md): `crossref/search-works`, no charge per call. Search 160M+ Crossref records (journal articles, books, proceedings) by free text: DOI, title, authors, publication date, journal, publisher, citation count. Needs query. Served by Crossref. - [Google scholar](/providers/litescrape/google-scholar.md): `litescrape/google-scholar`, $0.00015 per call. Search scholarly articles with publication details, citation counts, and full-text links. Needs q. Served by Litescrape. - [Google scholar paper search](/providers/serper/scholar.md): `serper/scholar`, $0.001 per credit. Search scholarly publications with available authors, publication details and citation counts. Needs q. Served by Serper. - [Scholarly works search](/providers/openalex/search-works.md): `openalex/search-works`, no charge per call. Full-text search over 250M+ scholarly works (papers, books, datasets): title, DOI, year, citations, open access status, authors with institutions, venue. Needs query. Served by OpenAlex. - [Book search](/providers/open-library/search.md): `open-library/search`, no charge per call. Search books by title, author or keyword in Open Library (Internet Archive): work key, title, authors, first publication year, edition count, languages, cover. Needs q. Served by Open Library. - [Wayback Machine snapshot lookup](/providers/wayback/availability.md): `wayback/availability`, no charge per call. Check whether a URL is archived in the Internet Archive Wayback Machine and get the closest snapshot URL and timestamp (optionally closest to a given date). Needs url. - [Wikipedia article](/providers/litescrape/wikipedia-article.md): `litescrape/wikipedia-article`, $0.00015 per call. Get the text of a Wikipedia article in a selected language. Needs title. Served by Litescrape. - [Wikipedia page summary](/providers/wikipedia/page-summary.md): `wikipedia/page-summary`, no charge per call. Short summary, description and thumbnail of an English Wikipedia article by title. Needs title. - [Wikipedia search](/providers/litescrape/wikipedia-search.md): `litescrape/wikipedia-search`, $0.00015 per call. Search Wikipedia articles in a selected language. Needs q. Served by Litescrape. - [Wikipedia search](/providers/wikipedia/search.md): `wikipedia/search`, no charge per call. Full-text search over English Wikipedia article titles and content. Needs query. - [Airbnb search](/providers/litescrape/airbnb-search.md): `litescrape/airbnb-search`, $0.00015 per call. Search Airbnb stays by destination and dates. Takes q, map bounds, airbnb domain and more, all optional. Served by Litescrape. - [Jinko flight and hotel search](/providers/exa/jinko.md): `exa/jinko`, usage based, the maximum is shown before a run. Jinko data through the Exa Agent: live round-trip flight fares for a route and dates, hotel rooms and rates for a destination or specific properties. Needs query. Served by Exa. - [Apple maps places](/providers/litescrape/apple-maps-places.md): `litescrape/apple-maps-places`, $0.00015 per call. Needs muid. Served by Litescrape. - [DuckDuckGo maps](/providers/litescrape/duckduckgo-maps.md): `litescrape/duckduckgo-maps`, $0.00015 per call. Search DuckDuckGo Maps places within a map area. Needs q. Served by Litescrape. - [Yelp place](/providers/litescrape/yelp-place.md): `litescrape/yelp-place`, $0.00015 per call. Get a Yelp business's details and menu. Needs place id. Served by Litescrape. - [Yelp search](/providers/litescrape/yelp-search.md): `litescrape/yelp-search`, $0.00015 per call. Search Yelp businesses by location and category. Needs find loc. Served by Litescrape. - [Redfin property](/providers/litescrape/redfin-property.md): `litescrape/redfin-property`, $0.00015 per call. Get a Redfin property by listing URL. Needs url. Served by Litescrape. - [Redfin search](/providers/litescrape/redfin-search.md): `litescrape/redfin-search`, $0.00015 per call. Search Redfin homes for sale or recently sold. Takes min price, max price, min beds and more, all optional. Served by Litescrape. - [Zillow locations](/providers/litescrape/zillow-locations.md): `litescrape/zillow-locations`, $0.00015 per call. Get Zillow region and address suggestions. Takes q, type and limit, all optional. Served by Litescrape. - [Zillow property](/providers/litescrape/zillow-property.md): `litescrape/zillow-property`, $0.00015 per call. Takes zpid and url, all optional. Served by Litescrape. - [Zillow search](/providers/litescrape/zillow-search.md): `litescrape/zillow-search`, $0.00015 per call. Search Zillow homes for sale, for rent or recently sold. Takes min price, max price, min beds and more, all optional. Served by Litescrape. - [Eventbrite search](/providers/litescrape/eventbrite-search.md): `litescrape/eventbrite-search`, $0.00015 per call. Search Eventbrite events by location and keyword. Takes location, q and page, all optional. Served by Litescrape. - [Anonymize personal details in text](/providers/edenai/text-anonymization.md): `edenai/text-anonymization`, usage based, the maximum is shown before a run. Detect personal-information entities and return the provider's anonymized result. Needs input. Served by Eden AI. - [Assess whether text may be AI generated](/providers/edenai/text-ai-detection.md): `edenai/text-ai-detection`, usage based, the maximum is shown before a run. Return an AI-writing score and available segment observations. Needs input. Served by Eden AI. - [Check spelling and grammar](/providers/edenai/text-spell-check.md): `edenai/text-spell-check`, usage based, the maximum is shown before a run. Return spelling and grammar findings for supplied text. Needs input. Served by Eden AI. - [Extract named entities from text](/providers/edenai/text-named-entity-recognition.md): `edenai/text-named-entity-recognition`, usage based, the maximum is shown before a run. Extract people, organizations, places and other supported entity types. Needs input. Served by Eden AI. - [Extract topics from text](/providers/edenai/text-topic-extraction.md): `edenai/text-topic-extraction`, usage based, the maximum is shown before a run. Identify the topics and available confidence scores in supplied text. Needs input. Served by Eden AI. - [Find potential text plagiarism](/providers/edenai/text-plagia-detection.md): `edenai/text-plagia-detection`, usage based, the maximum is shown before a run. Return similarity findings and available source matches for supplied text. Needs input. Served by Eden AI. - [Moderate text content](/providers/edenai/text-moderation.md): `edenai/text-moderation`, usage based, the maximum is shown before a run. Return harmful-content categories and confidence scores for supplied text. Needs input. Served by Eden AI. - [Anonymize an image](/providers/edenai/image-anonymization.md): `edenai/image-anonymization`, usage based, the maximum is shown before a run. Return an anonymized image URL and available detected regions. Needs input. Served by Eden AI. - [Assess image manipulation](/providers/edenai/image-deepfake-detection.md): `edenai/image-deepfake-detection`, usage based, the maximum is shown before a run. Return a deepfake score and prediction for face manipulation in a supplied image. Needs input. Served by Eden AI. - [Assess whether an image may be AI generated](/providers/edenai/image-ai-detection.md): `edenai/image-ai-detection`, usage based, the maximum is shown before a run. Return an AI-image score and the provider's prediction for one image. Needs input. Served by Eden AI. - [Compare faces in two images](/providers/edenai/image-face-compare.md): `edenai/image-face-compare`, usage based, the maximum is shown before a run. Compare two supplied images and return provider similarity findings. Needs input. Served by Eden AI. - [Detect explicit image content](/providers/edenai/image-explicit-content.md): `edenai/image-explicit-content`, usage based, the maximum is shown before a run. Return content-moderation scores and supported categories for one image. Needs input. Served by Eden AI. - [Detect faces in an image](/providers/edenai/image-face-detection.md): `edenai/image-face-detection`, usage based, the maximum is shown before a run. Locate faces and return supported attributes for one image. Needs input. Served by Eden AI. - [Detect logos in an image](/providers/edenai/image-logo-detection.md): `edenai/image-logo-detection`, usage based, the maximum is shown before a run. Return recognized brand logos and available locations for one image. Needs input. Served by Eden AI. - [Detect objects in an image](/providers/edenai/image-object-detection.md): `edenai/image-object-detection`, usage based, the maximum is shown before a run. Return detected object labels and available bounding boxes for one image. Needs input. Served by Eden AI. - [Remove an image background](/providers/edenai/image-background-removal.md): `edenai/image-background-removal`, usage based, the maximum is shown before a run. Remove the background of one image and return a downloadable result URL. Needs input. Served by Eden AI. - [Translate text](/providers/edenai/translation-automatic-translation.md): `edenai/translation-automatic-translation`, usage based, the maximum is shown before a run. Translate supplied text to the requested language, with an optional source language. Needs input. Served by Eden AI. ## Related - [Web search](/tools/web-search.md): 40 tools, from $0.00015 per call, some tools free. ## Providers - [Eden AI](/providers/edenai.md): 18 tools. - [Litescrape](/providers/litescrape.md): 118 tools, from $0.00015 per call. - [Wikipedia](/providers/wikipedia.md): 2 tools, with no charge per call. - [Crossref](/providers/crossref.md): 1 tool, with no charge per call. - [Exa](/providers/exa.md): 16 tools. - [Internet Archive](/providers/wayback.md): 1 tool, with no charge per call. - [Open Library](/providers/open-library.md): 1 tool, with no charge per call. - [OpenAlex](/providers/openalex.md): 1 tool, with no charge per call. - [Serper](/providers/serper.md): 10 tools, from $0.001 per credit. ## Questions ### Which knowledge & research data can my agent read? Scientific papers and Wikipedia, books & web archives. ### Which providers serve knowledge & research tools? Eden AI, Litescrape, Wikipedia, Crossref and 5 more. Your agent compares them by price and inputs before it runs one. ### How is it billed? Per call, at the provider's price with no markup, from $0.00015 per call. Some of these tools are free. Your agent sees the price before it runs a tool. [Tools](/tools.md) · [Connection guide](/connect.md) · [Billing](/docs/billing.md) --- [HTML page](/tools/knowledge) · [Agent index](/llms.txt)