SU

Substack

Substack is a platform that makes it simple for writers to start and run paid newsletters.

5.8k usesUpdated Jul 28, 2025
Email Address
SubstackEmail OSINTUser ProfilingNewsletterBansData Enrichment

About this module

Module capabilities, behavior, and expected output.

The module identifies a Substack user by banning a provided email address, retrieves the user’s ID, and then fetches the public profile to extract details such as name, handle, bio, setup date, and linked URLs.

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Rate limits

Pick the right plan for higher usage limits.

TierPer hourPer dayCooldownAction
Guest6 req/h10 req/day2sCurrent plan
Free40 req/h120 req/day2sSign up
Standard60 req/h200 req/day2sSee pricing
Pro100 req/h500 req/day2sSee pricing
Advanced500 req/h2000 req/day0sSee pricing

Frequently Asked Questions

What impacts module results and how to interpret changes across executions.

Results depend on source platform availability, anti-automation controls, and temporary service limits. A valid target can still return partial or empty data when the upstream platform is rate-limited or unavailable.