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VQV Signal

CREATOR TOOLS SOURCE-BACKED PRACTICAL

New Unofficial Substack Posting API Enables Content Publishing Features

An unofficial Substack API has been released that focuses on posting content, including creating tags, adding images, and saving drafts. Unlike other APIs, it is designed specifically for publishing rather than fetching or searching posts.

Source: Hacker News Newest · apisubstack.com Published 2026-08-08T08:12:22+00:00 Detected 2026-08-08T09:17:26+00:00
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An unofficial Substack API has been released that focuses on posting content, including creating tags, adding images, and saving drafts. Unlike other APIs, it is designed specifically for publishing rather than fetching or searching posts.

AI-assisted summary based on the listed source.

A couple of days ago, I released my version of an unofficial Substack API. The main difference between it and all the other solutions available on the market is that it can actually post content, create tags, add images, save drafts, and so on. In other words, it is specifically a posting API. It is not designed...

This API provides enhanced functionality for content creators who want to automate and streamline the publishing process on Substack. It fills a gap by enabling direct content management rather than just content retrieval.

Signal Strength 95% Technical label SOURCE-BACKED Public Interest 38 Category CREATOR TOOLS Reader Depth PRACTICAL

Signal Strength reflects source quality, relevance, freshness and evidence. Public Interest helps organize discovery; it is not proof of truth.

Public Interest components
Recognizable Entity Score 0 Practical Impact Score 38 Novelty Interest Score 94 Consequence Score 34 Curiosity Score 16 Shareability Score 52

VQV surfaced this signal because it is recent, relevant to AI Agents, connected to Hacker News Newest.