← All ideas IDEA-013 6.9 us micro-saas-utility developed

Founder-shaped social scheduler — batch a month of posts in 30 minutes, auto-fire on Stripe/MRR milestones, never feels like agency software.

Problem

Indie founders past initial-launch ($1K-10K MRR) burn 8+ hrs/week manually posting to X/LinkedIn/Threads because they're scared to lose presence. Buffer/Hootsuite/Later are agency-tools — $25-100/mo, multi-account focus, feature-bloated. Founders want a simple 'batch monthly → schedule → forget' tool that triggers off product events (MRR milestones, new customers) — and no big tool offers that.

Audience

Indie founders / solopreneurs at $1K-10K MRR, build-in-public creators on X/LinkedIn, podcasters and writers shipping 1-2 products solo; ~500K active across IndieHackers + #buildinpublic Twitter + r/SideProject globally.

Reasoning

What we ship

**Core features (MVP)**

One queue across X / LinkedIn / Threads: a single chronological queue for all platforms, drag-to-reorder, batch-import from CSV or Markdown.
Stripe-event-trigger config UI: visual builder "When MRR crosses $5K → post draft #12 to X+LinkedIn"; supports `subscription.created` / `customer.created` / `invoice.paid`.
Per-platform tone preview: one draft, three previews adapted for X (concise + thread), LinkedIn (professional + long-form), Threads (casual). Claude Sonnet 4.6 rephrasing.
Batch composer: a 30-min "write 10 posts at once" mode with AI-assisted variations (5 one-liner versions of a single draft).
BYO-token mode for X: Solo-tier users plug in their own X dev credentials, sidestepping the $200/mo X API floor; Pro+ tiers ride the shared token.

**Primary user flow**

1. Indie founder at $3K MRR finds us via a #buildinpublic thread "I scheduled a month of posts in 30 min".

2. Connects X (BYO-token), LinkedIn, Threads OAuth in 5 minutes; imports 20 drafts from their notes file.

3. Configures a Stripe trigger: "When new `customer.created` → post 'Welcome customer #{count}!' to X+LinkedIn"; webhook live in 2 minutes.

4. Week two — hits the $5K MRR milestone, auto-post fires to all 3 platforms in sync; week three is bookkeeping-free, upgrades to $19/mo Pro.

**What it looks like**

**Landing page**: hero "Batch a month. Forget for a month." Slick GIF — founder pastes 10 lines, AI expands into a 3-platform queue, a Stripe-icon stamp reads "post on $10K MRR". CTA: "Connect Stripe — try free for 14 days".
**Main app screen**: 3-pane layout — (1) Queue: chronological list of scheduled posts with per-platform chips and preview toggle, (2) Composer: text area + AI buttons "Make thread", "Rephrase for LinkedIn", "Generate 5 variations", (3) Triggers: visual builder Stripe-event → post-template, list of active triggers.
**Output format**: posts publish natively to X / LinkedIn / Threads (appear as normal posts on each platform); weekly summary email "12 posts shipped, 4 triggered by MRR milestone, +340 followers".

**MVP build plan (11 days)**

Day 1-2: FastAPI + Postgres + Celery (Redis) on Railway, JWT, Stripe Subscriptions, R2 for image attachments.
Day 3: X/Twitter API v2 client (write tier) + BYO-token flow for Solo plan.
Day 4: LinkedIn Marketing API OAuth + posting (developer review submitted on day 1).
Day 5: Threads API OAuth + posting; Celery scheduler for timed posts.
Day 6: Stripe webhook receiver + event-trigger engine (`subscription.*`, `customer.*`, `invoice.*`).
Day 7-8: React + Tailwind UI — Queue (drag-reorder), Composer, Triggers (visual builder).
Day 9: Claude Sonnet 4.6 for tone-rephrasing per platform + 5-variation generator.
Day 10: Cloudflare Pages landing, pricing page, BYO-token onboarding wizard.
Day 11: ProductHunt + Indie Hackers assets, end-to-end smoke test, ship.

Source signals

**SIG-20260425-us-micro-saas-utility-social-media-batch-scheduler**: "Crossed 2K MRR and realized I was still manually posting like it's 2015" — RECURRING via OnlyTiming, Hypefury, Typefully, Postiz
**SIG-20260425-us-micro-saas-utility-no-code-glue-overhead** (adjacent): solo founders' day eaten by manual ops — social posting is one of the worst loops

Reasoning

The signal directly named the pain (8 hrs/week manual posting at $2K MRR) and the gap (Buffer/Hootsuite are agency tools, not founder tools). Hypefury and Typefully prove WTP at $15-30/mo Twitter-only — but neither integrates Stripe webhooks to trigger posts on MRR milestones, customer wins, or feature launches. That's the differentiation: "post when MRR hits $10K" out of the box. Stack fits cleanly: Railway FastAPI + Celery for scheduled posting, Twitter/LinkedIn/Threads API clients, Stripe webhook for product-event triggers, Claude for cross-platform rephrasing. Build 11 days. Recurring revenue durable while product lives. Risk: competitive_pressure 4 (Hypefury, Typefully are big), but the founder-segment + product-event-trigger combo is white-space.

Quick competitive read

**Hypefury** ($29-$199/mo, ~$70K MRR) — X-first power tool; multi-platform is afterthought; no event triggers
**Typefully** ($8-$39/mo, ~$20K MRR) — writer/thought-leader tool with beautiful UX; no Stripe triggers
**Postiz** (free self-host / $29 cloud, ~21K GitHub stars) — open-source, technical setup; Zapier-glued triggers only
**Buffer** ($6/channel; $120 Agency) — per-channel pricing penalizes multi-platform founders
**OnlyTiming** — niche, mentioned in SIG

Market density: **high (5+ established players)**. White-space CONFIRMED at the **Stripe/product-event-triggered + cross-platform first-class + founder-positioning** intersection. Hypefury and Typefully validated $20-70K MRR ceilings on adjacent slices; we own the "post when MRR hits $10K" automation that none of them ship.

Initial pricing hypothesis

$9/mo Solo (1 account/platform, 50 scheduled/mo) → $19/mo Pro (3 accounts/platform, unlimited, AI variations, Stripe triggers) → $39/mo Studio (5 accounts, white-label, collab). Anchored on Hypefury/Typefully $15-30/mo with cross-platform discount.

Distribution hypothesis

Three waves:

1. **Build-in-public on X** — milestone screenshots of own dashboard

2. **Indie Hackers + r/SideProject + r/SaaS** — "I made $X MRR by automating my posts" angle

3. **ProductHunt launch** + cross-post to Designer News, after 100 paying customers

Score breakdown

market_size	7/10
pain_severity	7/10
build_feasibility	6/10
speed_to_revenue	7/10
regulatory_safety	9/10
competitive_pressure	5/10
recurring_revenue_fit	6/10

MVP stack

frontend	Cloudflare Pages + React + TailwindCSS v4
backend	Railway + FastAPI + Postgres + Celery (Redis)
ai	Claude Sonnet 4.6 via API for content variation + thread expansion + cross-platform rephrasing
payments	Stripe Subscriptions
storage	Postgres (scheduled posts, accounts, triggers) + Cloudflare R2 (image attachments)
external_integrations	['X/Twitter API v2', 'LinkedIn API', 'Threads API', 'Stripe webhook (incoming for MRR triggers)']

Estimated build: 11 days

Regulatory

clean

Standard B2B SaaS using documented platform APIs. X/Twitter API v2 (paid Basic tier $200/mo for write access as of 2024; budget anchor!), LinkedIn Marketing API (developer review required, ~2-4 week approval), Threads API (public + open since Q2 2024). All three are legitimate publishing endpoints — no scraping, no ToS soft-block. Operational risks (not regulatory but build-stage): (1) X API tier-cost — must price Solo/Pro tiers above $200/mo X API floor cost or use BYO-token model where each user supplies own X dev credentials (recommended for Solo $9/mo tier), (2) LinkedIn rate limits + posting volume caps (200 posts/day/account default), (3) Threads API still maturing — feature parity with X may lag 6-12 months. Stripe webhook handling for product-event triggers is standard B2B integration — no SCA/PSD2 issues because product handles only its own subscription billing (not customer billing on behalf of others). Region (us): CCPA applies (consumer-adjacent because solo founders are partly individuals) — standard privacy policy + DSR endpoints sufficient. No COPPA exposure (audience: adult founders). FTC endorsement guides irrelevant (product doesn't generate paid testimonials). No DMA/DSA EU exposure for US-only launch. Build GO.

Competitors (4)

Buffer — $6/monthly
Buffer's per-channel pricing penalizes multi-platform users — exactly our target audience (founders publishing to X+LinkedIn+Threads). 3 channels at $6 = $18/mo vs our $19 Pro all-in. Plus, Buffer is
Hypefury — $29/monthly
Hypefury is built X-first — every other platform is a derivative cross-post. We're built **Stripe-trigger first + cross-platform first-class**: X / LinkedIn / Threads are equal citizens, and the entir
Postiz — $29/monthly
Postiz serves technical founders who'll self-host (10-min Railway setup). We serve non-technical founders who want turn-key SaaS without DevOps. Postiz CAN imitate Stripe-triggers via N8N → Postiz API
Typefully — $8/monthly
Typefully owns the writer/thought-leader segment with beautiful UX. We target the operational founder segment who wants posts triggered by product events (MRR milestone, customer signup, feature ship)