SU
Substack
Substack is a platform that allows writers to publish newsletters.
6.8k usesUpdated Jul 30, 2025
Pseudonym
SubstackNewsletterWriterAPISearchDataEnrichment
About this module
Module capabilities, behavior, and expected output.
Substack is a newsletter publishing platform; this module retrieves user profile data and subscriber statistics for a given handle.
Rate limits
Pick the right plan for higher usage limits.
| Tier | Per hour | Per day | Cooldown (s) | Action |
|---|---|---|---|---|
| Guest | 3 | 5 | 30 | Current plan |
| Free | 10 | 25 | 10 | Sign up |
| Standard | 30 | 100 | 5 | See pricing |
| Pro | 100 | 500 | 2 | See pricing |
| Advanced | 500 | 2000 | 0 | See pricing |