api.x402node.dev

https://api.x402node.dev/citation/arxiv

Look up arXiv preprint metadata. Returns title, authors, abstract, publish/update dates, categories, PDF URL, DOI, comments, journal ref. Use ?id=1706.03762 (with or without version). Built for AI agents doing ML/physics/math literature review.

last updated: Jun 24, 2026 · type: http · x402 v1

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