Endpoint Playground
Return the stable authenticated paper source registry, including arXiv search and MED-backed Europe PMC metadata, licensed text and citation operations.
14 Oct 2026: 2 items; 7 fields had a value in every checked item and 1 varied between items.
Sample value profiles: name: “arXiv” and 1 other value; url: arxiv.org and 1 other host; operations: median 3 entries.
curl 'https://api.crawlora.net/api/v1/research/sources' \
-H "x-api-key: $CRAWLORA_API_KEY"No request parameters
{
"code": 200,
"msg": "OK",
"data": {
"items": [
{
"source_id": "arxiv",
"name": "arXiv",
"corpus": "papers",
"url": "https://arxiv.org",
"state": "ready",
"operations": [
"search",
"metadata",
"read"
],
"filters": [
"authors",
"published_from",
"published_to"
],
"artifact_types": [],
"corpus_revision": "papers-v2-20261010"
},
{
"source_id": "europepmc",
"name": "Europe PMC",
"corpus": "MED-backed biomedical and life-sciences metadata with licensed PMC full text",
"url": "https://europepmc.org",
"state": "ready",
"operations": [
"metadata",
"read",
"references",
"citers"
],
"filters": [],
"artifact_types": [],
"corpus_revision": "papers-v2-20261010"
}
],
"next_cursor": "",
"has_more": false,
"registry_revision": "papers-v2-20261010"
}
}The sample response, schema and code snippets below work without an account. Sending a live request needs an API key.