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Substack Trending Posts
x402
Substack Trending Posts is a paid API for AI agents from x402.apidirect.io, paid per call via x402, $0.004/call, status unknown (last checked 2026-10-30).
Returns the posts currently trending across all of Substack, as featured on its explore page.
Price / call$0.004
Success—
StatusUnknown
How this service works
Get the posts currently trending across all of Substack, as featured on its explore page.
Output
A list of trending Substack posts as featured on the Substack explore page, likely including post titles, author/publication names, URLs, and associated metadata such as like counts, comment counts, or topic categories.
Example use cases
Daily Substack trend briefing
“Pull up the trending posts on Substack right now and give me a quick summary of what topics and themes are dominating the explore page today.”
Competitor newsletter research
“What's currently trending on Substack? I want to see what kinds of articles are getting the most traction so I can spot content gaps for my own newsletter.”
Content inspiration for writers
“Show me what's blowing up on Substack's explore page right now — I'm looking for trending stories and angles to get writing inspiration.”
Technical details
Endpoint
GEThttps://x402.apidirect.io/v1/substack/trending?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a real-time snapshot of what's trending across all of Substack platform-wide, rather than within a specific publication or topic. It mirrors what Substack itself surfaces on its explore page, making it ideal for content discovery, trend monitoring, and competitive research without needing a Substack account or credentials.
Side effects
- Substack API or scraping layer is unavailable — returns a 5xx error
- Rate limit exceeded — returns 429 with retry guidance
- Substack changes its explore page structure, causing empty or malformed results
- No trending posts available at the moment — returns an empty list
- Payment not settled — returns 402 requiring x402 payment flow
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| required | string | |
| properties | string |
Tags
x402
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