Substack Posts

Page through public publication archives with titles, dates, and engagement counts.

GET/api/v1/substack/posts

Costs 1 credit per request; failed requests are refunded. Authentication, the search_metadata envelope and error codes are the same as for every endpoint (see the API reference). Try it in the playground.

Parameters

Request parameters

Parameter	Type	Description
`publication`required	string	Substack publication name, such as lennysnewsletter or oneusefulthing.
`offset`	integer	Number of posts to skip.Default: 0.Range: 0 to 10000.
`limit`	integer	Maximum posts per page, up to 50.Default: 10.Range: 1 to 50.

Response

A JSON object with search_metadata (request id, credits used and remaining) and the result groups the page returns. Groups and fields depend on the content of each page, so treat every field as optional.

Examples

cURL

curl "https://serpfast.com/api/v1/substack/posts?publication=lennysnewsletter&limit=5" \
  -H "Authorization: Bearer $SERPFAST_KEY"

Node.js 18+

const params = new URLSearchParams({
  "publication": "lennysnewsletter",
  "limit": 5
});
const res = await fetch(`https://serpfast.com/api/v1/substack/posts?${params}`, {
  headers: { Authorization: `Bearer ${process.env.SERPFAST_KEY}` },
});
const data = await res.json();
console.log(data);

Python

import os, requests

params = {
  "publication": "lennysnewsletter",
  "limit": 5
}
res = requests.get(
    "https://serpfast.com/api/v1/substack/posts",
    params=params,
    headers={"Authorization": f"Bearer {os.environ['SERPFAST_KEY']}"},
    timeout=120,
)
print(res.json())