Sites that match the meaning of
“research metadata API”
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Crossref
Crossref is open infrastructure linking the world's research. 26,500 members, 171 countries, 2.1 billion monthly API queries.
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Semantic Scholar | AI-Powered Research Tool
Semantic Scholar uses groundbreaking AI and engineering to understand the semantics of scientific literature to help Scholars discover relevant research.
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Zenodo
research data repository
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Infura - Home | Web3 Development Platform | Blockchain Node Service
Infura's development suite provides instant, scalable API access to Ethereum and other blockchain networks. Connect your app to Ethereum and other blockchain networks, for free!
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database of biomedical research
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RePEc: Research Papers in Economics
RePEc is a central index of economics research, including working papers, articles and software code
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Whitepages: People Search, Phone Numbers & Addresses
Founded in 1997, Whitepages is the largest U.S. directory and trusted source for contact info and property data. Find people, phone numbers, addresses, and emails nationwide. Free and premium search across the Whitepages Identity Graph: 350M+ identity records, 4B+ data linkages, 112M+ property records.
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ResearchGate - Temporarily Unavailable
commercial scientific social network
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Hugging Face – The AI community building the future.
We’re on a journey to advance and democratize artificial intelligence through open source and open science.
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Massive — Real-Time Web Access for AI
Massive is a web access API backed by millions of volunteer devices in 195+ countries. AI agents, models, and data pipelines use it to reach any site on the internet.
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Purpose-built technology | Thomson Reuters
Thomson Reuters delivers technology with purpose — empowering professionals to make faster decisions, gain sharper insights, and deliver greater impact.
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Docs.rs
official documentation website for Rust libraries
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ipapi - IP Address Lookup and Geolocation API | No SignUp
Enterprise IP Location by Kloudend, Inc - built on AWS, trusted by Fortune 500. Geolocation API for JSON, XML in PHP, JS, Java, Python, Node & more.
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Our World in Data
Research and data to make progress against the world’s largest problems.
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Client Challenge
distributor of eBooks and other digital media
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HERE Technologies: The Live Map That Powers Real-World AI
HERE Technologies provides live map data, routing and location APIs, and a location platform that powers fleet, automotive and real-world AI applications.
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ThinkingAI - 企业级 AI Agent 平台 | 智能数据分析与自动化运营
ThinkingAI 是企业级 AI Agent 平台，将数据洞察转化为自动化行动。帮助企业构建数据分析、智能运营、A/B 测试和自定义自动化的 AI Agent 团队，已服务 1500+ 全球企业。
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OSF
tools that make open science practice easier
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You.com | Search and inference for AI
The core AI infrastructure you need to maximize accuracy while reducing latency and costs.
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Content Blocked
online digital archive for electronic preprints of scientific papers and related content
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国立研究開発法人科学技術振興機構
国立研究開発法人科学技術振興機構（略称ＪＳＴ）は、知の創出から研究成果の社会還元とその基盤整備を担うわが国の中核的機関です。世界トップレベルの研究開発を行うネットワーク型研究所として、未来共創イノベーションを先導します。
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ORCID
non-profit organization that issues ORCID Identifiers
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Making sure you're not a bot!
French research institution in computer science
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Home | Consiglio Nazionale delle Ricerche
Italian national research funding organization
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Semrush: Your Unfair Advantage for Growing Brand Visibility
Semrush is the leading platform to grow and measure brand visibility across AI search, SEO, PPC, social, and more.
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Treasure AI | Agentic Experience Platform (AEP) for Modern Marketers
Treasure AI is the Agentic Experience Platform built to acquire, retain, and grow your most valuable customers, powered by AI, shaped by human creativity, and always-on through continuous, context-driven action. See why Forrester named us a Leader.
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Error 403 Forbidden
Customer data platform company
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Oxylabs – High Quality Proxy Service & Web Search API for AI
Access fresh, reliable web data at any scale with APIs built for AI and premium proxies. Power agents and applications with 177M+ IPs and robust infrastructure.
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open repository of academic articles
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