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GET
/
posts
/
latest
cURL
curl --request GET \
  --url https://api.substackapi.dev/posts/latest \
  --header 'X-API-Key: <api-key>'
import requests

url = "https://api.substackapi.dev/posts/latest"

headers = {"X-API-Key": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)
const options = {method: 'GET', headers: {'X-API-Key': '<api-key>'}};

fetch('https://api.substackapi.dev/posts/latest', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));
<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.substackapi.dev/posts/latest",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "X-API-Key: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}
package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://api.substackapi.dev/posts/latest"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("X-API-Key", "<api-key>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}
HttpResponse<String> response = Unirest.get("https://api.substackapi.dev/posts/latest")
  .header("X-API-Key", "<api-key>")
  .asString();
require 'uri'
require 'net/http'

url = URI("https://api.substackapi.dev/posts/latest")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)
request["X-API-Key"] = '<api-key>'

response = http.request(request)
puts response.read_body
[
  {
    "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"
    }
  }
]
{
  "code": 400,
  "message": "Bad Request"
}

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 posts from (e.g. example.substack.com)

​
limit
integer<int32>
default:10

The maximum number of results to return (default: 10)

Required range: 1 <= x <= 50
​
offset
integer<int32>
default:0

The offset of the results to return (default: 0)

Required range: x >= 0

Response

A list of posts

​
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