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substack API

Use Substack API Workflows Without Maintaining Your Own Publishing Stack

Narrareach team

At a glance

Substack API publishing workflow

Narrareach gives writers and teams an authenticated workflow for scheduling Substack Notes and articles, cross-posting them to social platforms, and using webhooks when publishing events happen.

Read the API docsOpen API setup
  • Substack Notes and article scheduling: so Substack content can move from draft to scheduled queue without manual posting
  • Cross-platform distribution: so the same idea can travel to Medium, LinkedIn, X, Bluesky, and Threads from the same workflow
  • Webhook event delivery: so your own tools can react when a post publishes, fails, or needs attention
  • Performance and subscriber signals: so you can see which posts deserve follow-up distribution

What this page covers

What Narrareach handles around Substack API workflowsBest fit for writers, operators, and internal tools

API and webhook access is available for authenticated Narrareach workflows.

The problem

The manual version gets old fast.

Substack API searches usually come from writers or teams who want automation, not another manual publishing checklist.

Building directly on unofficial or changing endpoints means you also need auth handling, retries, queue state, image handling, and failure recovery.

Narrareach gives that Substack-first workflow a product surface: create the content, schedule it, distribute it, and track what happened after publishing.

What Narrareach handles around Substack API workflows

The practical Substack API problem is not only sending a request. Writers need a reliable publishing workflow around that request: drafts, scheduled times, images, platform-specific versions, retry handling, and visibility into whether the post actually shipped.

Narrareach wraps those jobs in a queue that supports Substack Notes and articles alongside Medium, LinkedIn, X, Bluesky, and Threads. That means your automation can hand content to Narrareach instead of maintaining every platform integration yourself.

  • Use Narrareach for the publishing queue and platform connections rather than storing social credentials in your own scripts
  • Start with one scheduled Substack Note before expanding into article publishing and cross-posting
  • Use webhook events to update your internal calendar once content publishes or fails

Best fit for writers, operators, and internal tools

A solo writer might use the workflow to batch schedule Notes from a planning doc. A newsletter operator might connect an internal content calendar. A content team might use it as the last-mile publishing layer after AI drafting, editorial approval, or CMS import.

The key is that Narrareach is not only an API endpoint. It is the operating layer around the publishing event, with dashboard visibility and subscriber/performance signals after content goes live.

  • Keep editorial review in Narrareach even when content originates from an API call
  • Attach source URLs or internal IDs to scheduled items so downstream reporting stays traceable
  • Route high-performing Substack Notes into follow-up posts for LinkedIn, X, Bluesky, and Threads

How Narrareach solves it

Keep the publishing system close to the writing.

Substack Notes and article scheduling - so Substack content can move from draft to scheduled queue without manual posting

Cross-platform distribution - so the same idea can travel to Medium, LinkedIn, X, Bluesky, and Threads from the same workflow

Webhook event delivery - so your own tools can react when a post publishes, fails, or needs attention

Performance and subscriber signals - so you can see which posts deserve follow-up distribution

Start here

Build on a Substack-first publishing workflow

API and webhook access is available for authenticated Narrareach workflows.

Read the API docs

Questions writers ask

Does Narrareach support Substack API workflows?

Yes. Narrareach supports authenticated workflows for scheduling Substack Notes and articles, then managing distribution, queue state, and publish events from the Narrareach dashboard and API surfaces.

Do I need to manage Substack authentication myself?

No. Connect Substack in Narrareach, then use Narrareach as the publishing workflow layer. Your scripts or agents do not need to store Substack credentials directly.

Can Substack API workflows also cross-post to social platforms?

Yes. Narrareach can distribute scheduled content to supported platforms such as Medium, LinkedIn, X, Bluesky, and Threads when those accounts are connected.

Narrareach LLM connector

Connect Claude, ChatGPT, or any MCP-compatible agent to read drafts, schedule posts, and automate Substack, Medium, LinkedIn, X, Bluesky, and Threads workflows.

Read the docs