Endpoint Playground
Returns one page of the writers credited on a publication, ranked as Substack ranks them. Rows include each writer's handle, profile URL, and bestseller badge tier, so a publication can be fanned out into individual /substack/user lookups. Large publications return several hundred contributors on the first page.
14 Oct 2026: 911 contributors; 0 fields had a value in every checked item and 8 varied between items.
Sample value profiles: bestseller_tier: 100 to 10,000, median 1,000; photo_url: substackcdn.com and 2 other hosts; is_byline_only: true in 468 of 500.
curl 'https://api.crawlora.net/api/v1/substack/publication/contributors?publication=www.thefp.com' \
-H "x-api-key: $CRAWLORA_API_KEY"| Parameter | Type | Required | Prefilled value | Description |
|---|---|---|---|---|
| publication | string | Yes | www.thefp.com | Publication subdomain or custom domain |
| page | integer | No | Zero-based page |
{
"code": 200,
"data": {
"publication": "www.thefp.com",
"page": 0,
"contributors": [
{
"id": 29561926,
"name": "Sergiu Klainerman",
"handle": "sergiuklainerman",
"bio": "Higgins professor of mathematics at Princeton University",
"url": "https://substack.com/@sergiuklainerman",
"is_byline_only": true
}
]
},
"msg": "success"
}The sample response, schema and code snippets below work without an account. Sending a live request needs an API key.