Search Substack publications by name or keyword. Returns name, URL, tagline, author, subscriber badge, paid-subscriber band, prices, bestseller tier and language for each publication.
curl "https://apidirect.io/v1/substack/publications?query=crypto&page=1" -H "X-API-Key: YOUR_API_KEY"
{
"count": 20,
"has_next_page": true,
"page": 1,
"publications": [
{
"author": "cryptoyall",
"author_id": "89093778",
"author_name": "Josh Rhodes - Crypto Y'all",
"author_pic_url": "https://substackcdn.com/image/fetch/$s_!e6dX!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8ff3e27c-70ae-4556-9000-a84bf76e3dd3_2973x2377.jpeg",
"author_url": "https://substack.com/@cryptoyall",
"bestseller_tier": 0,
"cover_image_url": "",
"created_at": "2025-11-06 02:36:02",
"custom_domain": "",
"description": "Tired of feeling lost in the crypto world? We’ll teach you how the market really works—so you can spot opportunities, av…",
"domain": "substack.com",
"first_post_date": "2026-06-09 15:38:18",
"founding_plan_name": "Founding Member",
"has_chat": true,
"has_podcast": true,
"has_recommendations": false,
"is_bestseller": false,
"language": "en",
"logo_url": "https://substackcdn.com/image/fetch/$s_!e6dX!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.…",
"logo_url_wide": "https://substackcdn.com/image/fetch/$s_!3X7s!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F097d2cae-589f-466e-942c-e42391021862_480x254.png",
"name": "Josh Rhodes - Crypto Y'all",
"paid_enabled": true,
"paid_subscriber_band": "",
"paid_subscriber_floor": 0,
"plans": [
{
"amount": 40.0,
"currency": "USD",
"interval": "month"
},
{
"amount": 439.0,
"currency": "USD",
"interval": "year"
}
],
"podcast": null,
"publication_id": "6822164",
"ranking_detail": "Launched 4 months ago",
"sections": [],
"source": "Substack",
"subdomain": "cryptoyall",
"subscriber_count": null,
"subscriber_count_label": "128",
"twitter_handle": "",
"type": "newsletter",
"url": "https://cryptoyall.substack.com"
}
],
"query": "crypto"
}