Official AYA Registry

Substack

Substack: Substack is a platform that enables writers to publish and monetize their newsletters and other written content through subscriptions.

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Identification

Current Status

● INDEXED

AIO Score (AI Readability)

50/100

* This score measures how readable the company is by AIs (ChatGPT, Gemini, Claude...). The higher the score, the more visible and recommendable the company is.

Public Key (AYA ID)

2c355353-6d4a-5761-8063-c2fedacc6742

Issue date

25 mars 2026

Validity

—

Last modified: 25 mars 2026

Semantic Data (AI)

"Substack is a platform that enables writers to publish and monetize their newsletters and other written content through subscriptions."

Indexed Keywords

#newsletter publishing#independent writing#subscription content#monetized newsletters#email newsletters#paid subscriptions#content platform

Supported Protocols

✓ JSON-LD Structure
✓ ASR v3.0 Standard

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