FounderDeckPack

API Substack

87
Signal
AS

API Substack

apisubstack.com
AIapisubstack.com

The posting API for Substack authors. Draft, publish, and schedule posts via Python SDK, CLI, or MCP — without the browser editor.

FounderDeck estimate
$1.6m
Valued 2026-07-28
Breakout Signal 0 portfolios
View API Substack company profile

API Substack

The posting API for Substack authors. Draft, publish, and schedule posts via Python SDK, CLI, or MCP — without the browser editor.

apisubstack.com

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Breakout SignalUnclaimed ProfileAI NativeBreakout SignalShareable
FounderDeck estimate
$1.6m
Medium confidenceValued Jul 28, 2026
0
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MarketplaceLive product
0
Momentum
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What it does

The posting API for Substack authors. Draft, publish, and schedule posts via Python SDK, CLI, or MCP — without the browser editor. FounderDeck captured this company from its public website and generated an early discovery profile from the product signals visible on the page.

Who it helps

Likely aimed at teams or operators using AI to automate workflows, speed up output, or unlock a new capability.

Why it's interesting

API Substack shows a live product footprint, a visible market angle, and enough public signal to be worth tracking early on FounderDeck.

Profile signals

Signal Score87
Product Clarity90
Founder Momentum84
Market Potential84
Website Polish97
Monetisation95
Shareability87
Buzz99

AI-assisted scores estimated from public website information only.

FounderDeck estimate

Medium confidence
$1.6m

FounderDeck estimated this early value from the public website, product clarity, market shape, monetisation cues, and overall signal strength visible on the page.

Valuation date: 2026-07-28. Estimate generated from public signals.

Portfolio saves

Added to 0 portfolios.

Portfolio saves do not represent ownership, equity, investment rights, IP rights, or affiliation.

Estimates are AI-generated from public information and are not financial advice or verified company valuations.