Sources
Last updated March 21, 2026
SynthLink crawls a curated set of public sources and enriches each document with LLM-generated summaries, keywords, and categories. This page lists all available sources, their update intervals, and the fields they provide.
Filtering by source
Use the source query parameter to limit results to a specific source. The value must match the source identifier exactly.
GET /api/v1/documents?source=openai_news&limit=10
Available sources
Each source has a unique identifier used in the source field of every document. Use this identifier when filtering requests.
openai_newsOpenAI NewsOfficial posts, release notes, and model updates from OpenAI.
nasa_newsNASA ScienceMission reports and planetary science discoveries from NASA.
github_trendingGitHub TrendingDaily trending repositories across all languages.
arxivarXiv PapersPreprints in CS, ML, and physics - enriched for scanning.
hnHacker NewsTop stories filtered by score and relevance.
nvdNVD CVEsRecent CVEs with severity, KEV signal, and reference metadata.
cisa_cyber_advisoryCISA AdvisoriesCISA cybersecurity advisories with mitigation guidance.
Note:New sources are added based on demand. If you'd like to request a source, contact us at support@synth-link.com.
content_source field
Every document also includes a content_source field that describes how the content was ingested — not where it came from. This is useful for understanding how fresh or complete the raw content is.