---
title: "Crosspost — send your tweet.app posts straight to X"
description: "Connect your tweet.app account and your own X developer keys, then let every new post go out to X automatically or after a quick review."
canonical: "https://tweet.mikedemo.dev/"
last-updated: "2026-10-03"
---

# Crosspost

Crosspost watches a tweet.app account and reposts new posts to X, automatically or after a quick review, using each person's own X developer keys.

## How it works

1. **Connect your tweet.app account** — sign in and choose the account to watch.
2. **Add your X developer keys** — your own X developer app, set to Read and Write.
3. **Pick your posting behavior** — automatic posting, or review-first where you approve each post before it goes out.

Crosspost never uses a shared account. You bring your own tweet.app account and your own X developer app, so everything posts as you and stays under your control.

## Pricing

Crosspost is free to use. You bring your own X developer account and your own tweet.app account; any costs from those services are between you and them.

## Documentation

- [Setup guide](https://tweet.mikedemo.dev/docs/setup)
- [Posting](https://tweet.mikedemo.dev/docs/posting)
- [Tokens and keys](https://tweet.mikedemo.dev/docs/tokens)
- [Security](https://tweet.mikedemo.dev/docs/security)
- [Troubleshooting](https://tweet.mikedemo.dev/docs/troubleshooting)
- [Changelog](https://tweet.mikedemo.dev/changelog)

## Legal

- [Terms of Service](https://tweet.mikedemo.dev/terms)
- [Privacy Policy](https://tweet.mikedemo.dev/privacy)
- [Licenses](https://tweet.mikedemo.dev/licenses)

## For agents

Crosspost has no public API. Signing in, saving keys, and posting are for people only. Reading and indexing public pages is welcome. See [llms.txt](https://tweet.mikedemo.dev/llms.txt) and the [agent card](https://tweet.mikedemo.dev/.well-known/agent.json).

Crosspost is an independent service and is not affiliated with, endorsed by, or sponsored by X Corp. or Operation Bluebird, Inc.