← All APIs
Substack API
1 endpoint returning Substack data as JSON, with the same API key, response envelope and credits as every other serpfast API.
Endpoints
| Path | Description |
|---|---|
| /substack/posts | Posts · Page through public publication archives with titles, dates, and engagement counts. |
Example request
Posts
curl "https://serpfast.com/api/v1/substack/posts?publication=lennysnewsletter&limit=5" \
-H "Authorization: Bearer $SERPFAST_KEY"Pricing
One credit per request on every Substack endpoint. Failed requests are refunded automatically. Start with 5,000 free credits.
Pricing
