Unofficial integrations
Crossposter mixes official APIs with local, unofficial flows. X / Twitter, Instagram, YouTube, Pinterest, and Hacker News may use your own browser sessions, saved cookies, private APIs, or normal web submit flows — all running locally on this machine.
Instagram and X / Twitter sign in to a dedicated, isolated browser once per account and reuse that real session, so there is no stored password. It is still automation, not an official API.
Use these only for accounts you own or manage, and keep posting occasional and human-paced. Platforms can change, challenge, rate-limit, reject, or restrict accounts for automated or high-volume activity.
X / Twitter
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Bluesky
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Dev.to
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Hacker News
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Dribbble
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inLinkedIn
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Mastodon
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YouTube
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Nostr
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