One chat. Posts and replies.
Say what you shipped, drop in a conversation, or choose a reviewed Post. It adapts the source into your voice while keeping factual claims tied to your words and Facts. Edit, then post to X.
X Growth for Founders
Make your startup visible on 𝕏
Create posts from product and GitHub updates, find conversations worth joining, and keep your startup visible on 𝕏. Everything you need to show up consistently, in one place.
- No signup
- No card
You promise yourself you will post consistently this time. For a few days, you do. Then the ideas run out, the blank page wins, and X goes quiet again.
The problem is not that you have nothing to say. It is that turning a week of work into one clear post takes more time than you have. That is where PostMine comes in.
You promise yourself you'll post consistently. Then the ideas run out, the blank page wins, and X goes quiet again.
It is not that you have nothing to say. One clear post takes more time than you have. That is where PostMine comes in.
What can PostMine do?
You build. The chat writes. Posts and replies from your Facts, your words and reviewed starting points, remembered for next time.
Conversations worth joining
X, Reddit, Hacker News, Threads. Founders with your problem, why they fit, and a reply already drafted.
Facts straight from your product
Your site. Your commits. Your posts on X. What you built, for whom, what changed. Save more from the chat.
Every post builds on the last
Facts stay with the project. The next post starts where the last one stopped. Replies name what you actually shipped.
How it works
No signup. PostMine reads your site and writes the first Facts: what you build, for whom, in what words. Edit them or add your own any time.
A reviewed Post with a topic worth taking a position on, a founder's question PostMine found to answer, or one line about what happened. Hit Use.
It comes back as an independent draft in the voice you asked for. Factual claims stay tied to your words and Facts. Trim to 280, make a thread, add a fact, or just fix a word.
Hit Publish. That's it. Your Facts stay ready for the next post.
Is it hard to set up?
No. Paste your product URL - that's the whole setup. The demo opens without signup, and the first Facts about your product appear while you watch
Does marketing feel like a second job?
PostMine does the daily digging: reads what you shipped, finds founders asking about your problem on X, Reddit, Hacker News and Threads. You keep building. A post is one line in the chat away
Will the posts sound like AI?
No. Start from your Facts, your own posts on X or a reviewed Post. Main Chat keeps the source topic, writes a fresh position in the voice you ask for and never turns the source author's story into yours. You always edit before publishing
Will it find the right people?
It finds live threads where founders already ask about the problem you solve - across X, Reddit, Hacker News and Threads. You see the original post, why it fits, and a reply already drafted from your Facts
Need to promote your product, but don't have your laptop with you?
Find customers and consistently promote your product from your laptop or phone
So, how much does it cost?
Free
$0/mo
No card · start without signup
Includes
- AI credits: 100 per 7-day Growth Week
- Find clients on X, Reddit, HN and Threads: one successful manual search per 7-day Growth Week
- Posts: 3 reviewed donor examples in each of 6 directions, new selection every 7 days
- Every qualified lead, no hidden result limit
Pro
$49/mo
or $39/mo billed yearly
Includes
- AI credits: 3,000 per subscription month
- Find clients on X, Reddit, HN and Threads: one successful manual search every 24 hours
- Posts: 3 reviewed donor examples in each of 6 directions, new selection every 24 hours
- Every qualified lead, no hidden result limit
Pro
$49/mo
or $39/mo billed yearly
Includes
- AI credits: 3,000 per subscription month
- Find clients on X, Reddit, HN and Threads: one successful manual search every 24 hours
- Posts: 3 reviewed donor examples in each of 6 directions, new selection every 24 hours
- Every qualified lead, no hidden result limit
Free
$0/mo
No card · start without signup
Includes
- AI credits: 100 per 7-day Growth Week
- Find clients on X, Reddit, HN and Threads: one successful manual search per 7-day Growth Week
- Posts: 3 reviewed donor examples in each of 6 directions, new selection every 7 days
- Every qualified lead, no hidden result limit
Earn a discount. Literally
Our miner digs attention for a living. Help him clear dead posts, crickets and shadowban blocks. One key, one job
100 pts = -5% off Pro250 pts + a challenge on X = -10%That's the ceiling. We're a startup, not a charity.
What founders ask before they start
Eight straight answers before you add your URL. Still have a question? Write to us
Solo founders with a SaaS product and no marketing team. Paste one URL and PostMine keeps Facts about your product, turns what you shipped into X posts and replies in one chat, and finds founders on X, Reddit, Hacker News and Threads who already ask about the problem you solve. You keep building; a post is one line in the chat away
No. Paste your product URL: the workspace opens without signup or card, and the first Facts appear while you watch. Connect X when you want one-click publishing, and GitHub if you want releases pulled in as Facts. Both are optional: Building in public works from your Facts alone
Drafts start from your Facts, the reviewed donor post you picked, and your own posts on X, not from a category prompt. Main Chat keeps the donor's topic and central conflict without turning the author's story into yours. One chip adapts a draft to your voice, trims it to 280 or makes a thread, and you always edit before anything is published
Credits are what the chat spends on drafts, edits and replies. Guest starts with 50 lifetime AI credits, Free gets 100 per 7-day Growth Week (about 15 drafts or 4 posts), Pro gets 3,000 per subscription month (about 500 drafts or 100 posts). Free credits renew every 7 days and unused ones do not roll over; the workspace tells you exactly when the next batch arrives
Guest, Free, and Pro each include one active project and all 6 project documents. Guest also gets one successful lifetime manual Find search. Free renews every 7-day Growth Week: 100 AI credits, one successful Find search, a new selection of reviewed donor posts. Pro renews faster and bigger: 3,000 AI credits per subscription month, one successful Find search and a fresh donor selection every 24 hours, plus every competitor. Worth it when you post more than a few times a week or want new leads every morning
The first 10 Pro Monthly subscriptions get the $29 founding price, locked for as long as the subscription stays active. Monthly billing only. When all 10 seats are gone, Pro stays available at the regular $49 monthly price
The landing mini-game earns a real Pro discount: 100 points unlock -5%, and a run of 250+ points plus one click on "Challenge a friend on X" raises it to -10%, the ceiling. On monthly billing it stacks with Founding 10 while seats remain ($29 becomes $27.55 or $26.10); after that, and on yearly billing, it applies on its own
Nothing publishes until you press Publish or set a schedule. Connected publishing goes through the official X API within platform limits; without a connection the text opens in your own composer. Replies to public conversations are always posted by you. No DM, follow or comment automation, no blasting the same text everywhere, and you own every word you approve
Make your startup visible on X, from one chat
PostMine keeps the Facts about your product, finds founders who already ask about your problem, and turns both into posts and replies in one chat. You review everything before it goes to X. Start without signup: paste your URL and the workspace opens right away
