NOW IN BETA — 0+ WRITERS ALREADY MATCHED

Find your perfect Substack cross-promotion partner

PostPair auto-matches Substack writers by hyper-niche community — so you grow with readers who actually care about what you write.

Join the Waitlist — Free
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Join 0+ writers already on the waitlist
✦INDIE GAME DEVS✦SOLOPRENEUR FOUNDERS✦CRYPTO TRADERS✦PERSONAL FINANCE WRITERS✦AI RESEARCHERS✦PRODUCT DESIGNERS✦CLIMATE TECH FOUNDERS✦SCI-FI AUTHORS✦DTC BRAND BUILDERS✦DEV TOOL CREATORS✦MINDFULNESS COACHES✦STARTUP LAWYERS✦WEB3 BUILDERS✦GROWTH HACKERS✦SAAS FOUNDERS✦INDIE GAME DEVS✦SOLOPRENEUR FOUNDERS✦CRYPTO TRADERS✦PERSONAL FINANCE WRITERS✦AI RESEARCHERS✦PRODUCT DESIGNERS✦CLIMATE TECH FOUNDERS✦SCI-FI AUTHORS✦DTC BRAND BUILDERS✦DEV TOOL CREATORS✦MINDFULNESS COACHES✦STARTUP LAWYERS✦WEB3 BUILDERS✦GROWTH HACKERS✦SAAS FOUNDERS

Why PostPair

Built for writers who want real growth

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Smart matching

Niche-matched partners

Our algorithm pairs you with writers whose audiences overlap yours in interest — not just in size. Indie game dev meets indie game dev.

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Zero friction

Automated swap coordination

No awkward DMs, no scheduling chaos. PostPair handles outreach, scheduling, and follow-ups — you just write.

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Proven growth

Grow your subscriber count

Writers using cross-promotion see 15–40% subscriber growth per swap. Stack swaps, stack subscribers.

How it works

Three steps to your first swap

01

Join the waitlist

Tell us your Substack niche and audience size

02

Get matched

We find your ideal cross-promo partner algorithmically

03

Swap & grow

We coordinate the swap — you just approve and publish

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Writers on waitlist
15–40%
Avg subscriber growth per swap
48hr
Average time to first match
Free
Forever for early members

Writers love PostPair

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Finally — a tool that gets that indie game dev audiences are completely different from generic tech audiences. My last cross-promo brought in 340 new subs.

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Alex R.
Indie game dev writer
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I wasted months DMing Substack writers who had the wrong audience. PostPair matched me with three perfect partners in a week. Game changer.

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Priya K.
Solopreneur newsletter
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The automation is what gets me. I used to spend 2 hours coordinating each swap. Now it's 10 minutes and a click.

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Marcus T.
Crypto & DeFi writer

Early Access

Join the waitlist today. Grow tomorrow.

0+ Substack writers are already waiting for their match. Secure your spot before we open to the public.

No spam. No credit card. Cancel anytime.

✦ PostPair Pro

Want priority access?

Skip the queue. Get 5 niche-matched partners/month, priority matching, and an analytics dashboard — for $29/month.

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