GET
/
post
curl --request GET \
  --url https://api.substackapi.dev/post \
  --header 'X-API-Key: <api-key>'
{
  "slug": "my-post",
  "url": "https://example.substack.com/p/my-post",
  "title": "My Post",
  "description": "This is a description of my post",
  "excerpt": "This is an excerpt of my post",
  "body_html": "<p>This is the body of my post</p>",
  "reading_time_minutes": 5,
  "audio_url": "https://example.com/my-post.mp3",
  "date": "2025-03-20T15:30:00Z",
  "likes": 100,
  "paywall": false,
  "cover_image": {
    "original": "https://example.com/my-post.jpg",
    "og": "https://example.com/my-post.jpg",
    "small": "https://example.com/my-post.jpg",
    "medium": "https://example.com/my-post.jpg",
    "large": "https://example.com/my-post.jpg"
  },
  "cover_image_color_palette": {
    "vibrant": "rgb(0, 0, 0)",
    "light_vibrant": "rgb(0, 0, 0)",
    "dark_vibrant": "rgb(0, 0, 0)",
    "muted": "rgb(0, 0, 0)",
    "light_muted": "rgb(0, 0, 0)",
    "dark_muted": "rgb(0, 0, 0)"
  },
  "author": "John Doe",
  "author_image": {
    "original": "https://example.com/my-post.jpg",
    "small": "https://example.com/my-post.jpg",
    "medium": "https://example.com/my-post.jpg",
    "large": "https://example.com/my-post.jpg"
  }
}

Authorizations

​
X-API-Key
string
header
required

Test key: sk_test_9b0j6a1bdbf4f38b1 Get production key at auth.substackapi.dev

Query Parameters

​
publication_url
string
required

The URL of the publication to retrieve the post from (e.g. example.substack.com)

​
slug
string
required

The slug of the post to retrieve (e.g. my-post)

Response

200
application/json
A single post
​
slug
string
Example:

"my-post"

​
url
string
Example:

"https://example.substack.com/p/my-post"

​
title
string
Example:

"My Post"

​
description
string
Example:

"This is a description of my post"

​
excerpt
string | null
Example:

"This is an excerpt of my post"

​
body_html
string | null
Example:

"<p>This is the body of my post</p>"

​
reading_time_minutes
number | null
Example:

5

​
audio_url
string | null
Example:

"https://example.com/my-post.mp3"

​
date
string
Example:

"2025-03-20T15:30:00Z"

​
likes
number
Example:

100

​
paywall
boolean
Example:

false

​
cover_image
object
​
cover_image_color_palette
object
​
author
string
Example:

"John Doe"

​
author_image
object
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