Endpoint Playground
Returns the publications a given publication recommends to its own readers, as a publication-to-publication graph. Useful for discovering publications beyond the 675-per-category ceiling on /substack/category. publication_id is the numeric id returned by /substack/publication, /substack/category, or /substack/user.
14 Oct 2026: 15 recommendations; 11 fields had a value in every checked item and 1 varied between items.
Sample value profiles: url: tarotcapital.substack.com and 14 other hosts; explicit: true in 0 of 15; hero_text: median 139 characters.
curl 'https://api.crawlora.net/api/v1/substack/publication/recommendations?publication_id=6349492' \
-H "x-api-key: $CRAWLORA_API_KEY"| Parameter | Type | Required | Prefilled value | Description |
|---|---|---|---|---|
| publication_id | integer | Yes | 6349492 | Numeric publication id |
{
"code": 200,
"data": {
"publication_id": 6349492,
"recommendations": [
{
"id": 1421308,
"name": "Tarot Capital",
"subdomain": "tarotcapital",
"url": "https://tarotcapital.substack.com",
"subscribers": {
"total_hidden": true
},
"subscription": {
"plans": []
}
}
]
},
"msg": "success"
}The sample response, schema and code snippets below work without an account. Sending a live request needs an API key.