Grow faster on X
Hook new followers with replies built to spark engagement, whether you’re farming reach or nurturing community.
On-brand crypto replies in seconds.
Grow your X account faster with replies you can send instantly. Bring your own OpenAI key - there’s no subscription or middleman fee.
Built by @BtcBlackthorneWhy growth-focused creators love it
Ship replies that grow your audience without leaving X. Use your own API key, keep it private, and speak in any voice you need.
Bring your own key
Connect your OpenAI account and pay only for your usage. No subscriptions, markups, or vendor lock-in.
Native to the composer
Generate inside X with contextual awareness. No extra tabs, no copy-paste gymnastics.
Built-in growth voices
Pick from curated crypto-native personas tuned for hype cycles, education, skepticism, and more.
Custom voices, any niche
Import or export personas for your own brand, team, or non-crypto projects and swap instantly.
Fast replies
From idea to post in seconds with hotkeys, smart defaults, and minimal clicks.
Cancellable requests
Stop generations mid-flight if the market moves or you change your mind.
Private & local
Your API key and history stay on device. Nothing is uploaded, logged, or shared.
How it works
Crypto Reply Guy runs entirely in the browser, integrated with the composer you already use.
Open reply on X
Hit reply on any post and the extension adds a subtle AI button to your composer.
Pick tone or persona
Select a preset voice or your own custom persona to guide the model.
Generate → edit → post
Review the draft, tweak if needed, and ship. Cancel anytime if you want to pivot.
See it in action
Watch the full workflow—from opening a tweet to posting your reply in under 3 minutes.
Ready to try Crypto Reply Guy?
Install the extension, connect your OpenAI key, and start shipping replies your followers actually want to read.
Stay in the loop
Follow the product accounts for updates, changelogs, and walkthroughs.