# Semantic Scholar on Onekey > 6 endpoints for Semantic Scholar (6 stable, 0 beta), 1 to 5 credits each. Category: Science & research. One key, one JSON shape. Base URL: https://api.onekey.dev Auth: header `x-api-key: `. Call shape: `GET /v1/{platform}/{endpoint}?{params}`. Every response is `{success, data, metadata, error}`; check `success` first. Cost is in `metadata.credits_charged`. Free when served from cache (0.2 credit for a cached response over 100 KB). Failed and not-found calls are refunded. Status: stable = verified against the live source; beta = not yet verified, fields may be missing. Page: https://onekey.dev/platforms/semanticscholar Reference (Markdown): https://onekey.dev/docs/api/semanticscholar.md All docs: https://onekey.dev/llms.txt ## Canonical fields returned Unified-schema fields (same names on every platform), with how many of the 6 mapped Semantic Scholar endpoints return each: - `content.id` (string): 4 - `content.title` (string): 4 - `content.url` (URL): 4 - `content.year` (integer): 4 - `engagement.citations` (integer): 4 - `author.displayName` (string): 2 - `author.id` (string): 2 - `author.url` (URL): 2 - `paper.venue` (string): 2 - `content.text` (string): 1 - plus 3 platform-specific fields under `ext.` ## Endpoints ### semanticscholar.author Semantic Scholar author by id. - Price: 1 credit per fresh call. Status: stable. Returns: one record. - Request: `GET https://api.onekey.dev/v1/semanticscholar/author?id=1741101` with header `x-api-key: YOUR_API_KEY` - Parameters: - `id` (string, required): Author id - Fields returned: `author.id`, `author.displayName`, `author.url`, `ext.papers`, `ext.authorCitations`, `ext.hIndex` - Reference: https://onekey.dev/docs/api/semanticscholar/author.md ### semanticscholar.author_search Search Semantic Scholar authors. - Price: 5 credits per fresh call. Status: stable. Returns: a list. - Request: `GET https://api.onekey.dev/v1/semanticscholar/author_search?q=oren%20etzioni` with header `x-api-key: YOUR_API_KEY` - Parameters: - `q` (string, required): Search query - Fields returned: `author.id`, `author.displayName`, `author.url`, `ext.papers`, `ext.authorCitations` - Reference: https://onekey.dev/docs/api/semanticscholar/author_search.md ### semanticscholar.citations Papers citing a Semantic Scholar paper. - Price: 5 credits per fresh call. Status: stable. Returns: a list. - Request: `GET https://api.onekey.dev/v1/semanticscholar/citations?id=649def34f8be52c8b66281af98ae884c09aef38b` with header `x-api-key: YOUR_API_KEY` - Parameters: - `id` (string, required): Semantic Scholar paper id (40-hex, CorpusId:n, DOI:..., ARXIV:...) - Fields returned: `content.id`, `content.title`, `content.year`, `content.url`, `engagement.citations` - Reference: https://onekey.dev/docs/api/semanticscholar/citations.md ### semanticscholar.paper Semantic Scholar paper by id. - Price: 1 credit per fresh call. Status: stable. Returns: one record. - Request: `GET https://api.onekey.dev/v1/semanticscholar/paper?id=649def34f8be52c8b66281af98ae884c09aef38b` with header `x-api-key: YOUR_API_KEY` - Parameters: - `id` (string, required): Semantic Scholar paper id (40-hex, CorpusId:n, DOI:..., ARXIV:...) - Fields returned: `content.id`, `content.title`, `content.year`, `content.url`, `paper.venue`, `engagement.citations`, `content.text` - Reference: https://onekey.dev/docs/api/semanticscholar/paper.md ### semanticscholar.references Papers referenced by a Semantic Scholar paper. - Price: 5 credits per fresh call. Status: stable. Returns: a list. - Request: `GET https://api.onekey.dev/v1/semanticscholar/references?id=649def34f8be52c8b66281af98ae884c09aef38b` with header `x-api-key: YOUR_API_KEY` - Parameters: - `id` (string, required): Semantic Scholar paper id (40-hex, CorpusId:n, DOI:..., ARXIV:...) - Fields returned: `content.id`, `content.title`, `content.year`, `content.url`, `engagement.citations` - Reference: https://onekey.dev/docs/api/semanticscholar/references.md ### semanticscholar.search Search Semantic Scholar papers. - Price: 5 credits per fresh call. Status: stable. Returns: a list. - Request: `GET https://api.onekey.dev/v1/semanticscholar/search?q=attention` with header `x-api-key: YOUR_API_KEY` - Parameters: - `q` (string, required): Search query - Fields returned: `content.id`, `content.title`, `content.year`, `content.url`, `paper.venue`, `engagement.citations` - Reference: https://onekey.dev/docs/api/semanticscholar/search.md ## Sample request ```bash curl "https://api.onekey.dev/v1/semanticscholar/author?id=1741101" \ -H "x-api-key: YOUR_API_KEY" ```