Syndicate newsletters across platforms, diversify revenue instantly.
Freelancers building newsletters for creators lose entire revenue streams due to platform dependency and sudden policy changes.
FluxSend lets freelancers auto-publish newsletters to multiple platforms like Substack, Beehiiv, and email lists simultaneously, protecting against single-platform policy shifts. It tracks unified analytics and revenue from all sources in one dashboard. Freelancers can pause any platform without losing audience or income.
Freelancers specializing in building newsletters for creators
Multi-platform syndication with revenue reconciliation, no data silos.
friendly
Publish once, sync to 5+ platforms.
Aggregate analytics and revenue from all platforms.
API integrations for Substack, ConvertKit, etc.
Track MRR per platform and total.
Detect policy changes and suggest pauses.
Reusable templates for quick syndication.
Test variants across platforms.
Generate platform-specific summaries.
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| text | No | |
| created_at | timestamp | No |
Relationships:
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| user_id | uuid | No |
| platforms | text[] | No |
Relationships:
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| newsletter_id | uuid | No |
| platform | text | No |
| revenue | int | Yes |
| published_at | timestamp | No |
Relationships:
/api/connect/:platformConnect platform API
/api/newsletters/:id/publishSyndicate content
/api/dashboardUnified analytics
/api/revenue/:newsletterIdFetch revenue data
/api/alertsPlatform policy alerts
100 syncs/mo
10k syncs/mo
None
| Month | Users | Conversion | MRR | ARR |
|---|---|---|---|---|
| Month 1 | 100 | 3% | $90 | $1,080 |
| Month 6 | 450 | 7% | $945 | $11,340 |
Syndicate your newsletters everywhere and track all revenue in one place.
Target Twitter freelancers tweeting about Substack issues, offer free 1-month Pro for feedback, join Facebook groups for newsletter builders and run a giveaway for first syncs.
Email automation
No multi-platform sync
Cross-platform revenue unification
Integration network effects; more platforms = more value.
Platforms fragmenting audiences, freelancers seeking hedges.
API changes by platforms
Modular connectors + monitoring
Sync reliability
Queue system + retries
Success: 50 signups
Success: 10 beta users
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