Get a Substack category's leaderboard
Get a Substack category's leaderboard: the top publications ranked by Substack, each with its full details (subscriber badge, paid band, prices, author) and rank.
Answeringour last check, 2026-10-25
1 of 1checks answered this week
258 msmedian answer time
$0.004listed price per call
$0.004price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://x402.apidirect.io/v1/substack/category/publications
| Category | Market data |
|---|---|
| Provider host | x402.apidirect.io |
| Networks | eip155:8453 |
| Payment schemes | exact, upto |
| Self-reported calls, 30 days | 0 from 0 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-25 | valid payment request | 402 | $0.004 | 258 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"category": "technology"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"category": {
"description": "Category ID or slug, e.g. 4 or technology (bestsellers and podcasts for the site-wide boards). See Category IDs (https://apidirect.io/docs/substack-category-ids)",
"type": "string"
},
"page": {
"default": 1,
"description": "Page number (default: 1), 25 publications per page. Up to 21 pages; rising 10; bestsellers and podcasts 4",
"maximum": 21,
"minimum": 1,
"type": "integer"
},
"tier": {
"description": "all, paid or rising (bestsellers: rising; podcasts: all or paid)",
"enum": [
"all",
"paid",
"rising"
],
"type": "string"
}
},
"required": [
"category"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}