# Postonus > Postonus is a social media scheduling platform: write a post once, adapt it per platform, and publish it to sixteen networks from one calendar. Plan, automate and track your social content across platforms with ease. Most pages below are also available as plain markdown by appending `.md` to the URL, which is what the links point at. Pages built as React components link to the HTML instead. Free workspaces can write and plan without a card; scheduling and publishing require a paid plan. The API, CLI and MCP server are available on every plan. Sign-up: https://postonus.com ## Pricing - [Pricing](https://postonus.com/en/pricing.md): Three paid plans plus a free workspace, priced by connected channels and published volume rather than per seat. ## Features - [All features](https://postonus.com/en/features.md): Thirteen Postonus features grouped by job — writing and composing, scheduling and queueing, reusing content, and working with a team or client. - [Activity log](https://postonus.com/en/social-media-activity-log.md): One feed of what happened: every publish, every failure with the platform’s own error, and a one-click retry, for when a client asks about last Tuesday. - [AI assistant](https://postonus.com/en/ai-social-media-assistant.md): Write the post once, then refine it into a variant that fits each platform’s length and conventions. You review every version, and credits are metered upfront. - [Auto-repurpose](https://postonus.com/en/auto-repurpose-social-media-content.md): Point a Growth Autopilot at a platform you already win on and a channel you want to grow. Postonus mines your top posts and drips reshaped drafts in for review. - [Bulk scheduling](https://postonus.com/en/bulk-schedule-social-media-posts.md): Upload up to 50 posts at once from a CSV or a folder of media, stagger them automatically at a fixed interval, then review each row before it is scheduled. - [Channel groups](https://postonus.com/en/social-media-channel-groups.md): Save the sets of channels you always publish to together and select them in one click, instead of re-picking eleven accounts every time you compose. - [Client approval calendar](https://postonus.com/en/client-approval-calendar.md): Send a client a link to their content calendar. They comment and approve in the browser without an account, and you revoke the link once the engagement ends. - [Evergreen recycling](https://postonus.com/en/evergreen-content-recycling.md): Tag your timeless posts, attach a recycle rule, and they return to the queue on a cadence you set — with a per-post cooldown so the same post does not burn out. - [First comment](https://postonus.com/en/schedule-first-comment.md): Queue the first comment with the post itself, so links and hashtags land in the comments instead of the caption — on the platforms that support it. - [Media library](https://postonus.com/en/media-library.md): Upload once and reuse across posts, or pull assets straight from Dropbox, Google Photos, OneDrive, Unsplash, and Canva without downloading them first. - [Multi-platform publishing](https://postonus.com/en/post-to-all-social-media-at-once.md): Write once and publish to 16 platforms, with per-channel overrides where the platforms differ. Limits are enforced as you type, from the rules workers use. - [Posting times](https://postonus.com/en/optimal-posting-times.md): Recommended posting windows per platform, weighted by strength and resolved in your time zone. Drop a post into the next good slot from the composer or CLI. - [Queue & reliability](https://postonus.com/en/social-media-post-queue.md): A queue that flags a post at risk before its publish time, refuses to send something an hour late, and turns a crashed worker into a retryable failure. - [Team collaboration](https://postonus.com/en/social-media-team-collaboration.md): Invite teammates with owner, admin, or member roles, leave threaded comments on a draft, and route posts through approve, reject, or request-changes first. ## Platforms - [All platforms](https://postonus.com/en/social-media-schedulers.md): Sixteen platforms Postonus schedules to, grouped by how they behave — what each one accepts, where its limits bite, and which need a business account first. - [Bluesky scheduler](https://postonus.com/en/bluesky-scheduler.md): Schedule Bluesky posts with grapheme-accurate counting against the 300-character limit, connected with an app password instead of an OAuth hop. - [Discord scheduler](https://postonus.com/en/discord-scheduler.md): Schedule announcements to a Discord channel from the same calendar as your public social posts, so a community update is not a manual task at a fixed hour. - [Facebook scheduler](https://postonus.com/en/facebook-scheduler.md): Schedule Facebook page posts with up to ten media items and a first comment queued alongside, from the same calendar as every other channel. - [Google Business Profile](https://postonus.com/en/google-business-profile-scheduler.md): Schedule Google Business Profile updates alongside your social channels, so the listing customers actually find is not the one nobody has touched in a year. - [Instagram scheduler](https://postonus.com/en/instagram-scheduler.md): Schedule Instagram posts, carousels, and Reels with a first comment queued alongside, plus free tools for splitting grids and carousel panoramas. - [LinkedIn scheduler](https://postonus.com/en/linkedin-scheduler.md): Schedule LinkedIn posts to a personal profile or a company page, with a first comment queued alongside and an accurate preview before anything publishes. - [Pinterest scheduler](https://postonus.com/en/pinterest-scheduler.md): Schedule Pins alongside your other channels, with the image dimensions that matter on Pinterest handled by a free resizer before you upload. - [Reddit scheduler](https://postonus.com/en/reddit-scheduler.md): Schedule Reddit posts from the same calendar as your other channels, with the caveat that subreddit rules, not just platform limits, decide if a post survives. - [Snapchat scheduler](https://postonus.com/en/snapchat-scheduler.md): Schedule Snapchat content from the same calendar as your other channels, with the tightest character budget of any platform handled by an accurate counter. - [Telegram scheduler](https://postonus.com/en/telegram-scheduler.md): Schedule Telegram channel posts with a bot token, and see the caption limit change when you attach media — 4,096 for a message, 1,024 with an image. - [Threads scheduler](https://postonus.com/en/threads-scheduler.md): Schedule Threads posts with a first comment queued alongside, so links land under the post instead of crowding the 500-character caption meant for your idea. - [TikTok scheduler](https://postonus.com/en/tiktok-scheduler.md): Schedule TikTok videos and photo-mode posts from the same calendar as everything else, with limits checked against what TikTok actually accepts. - [Tumblr scheduler](https://postonus.com/en/tumblr-scheduler.md): Schedule Tumblr posts with room for long-form writing — one of the highest character allowances of any platform, on the same calendar as your other channels. - [WhatsApp scheduler](https://postonus.com/en/whatsapp-scheduler.md): Schedule WhatsApp broadcasts from the same calendar as your social channels, so the highest-engagement channel you own is not the one you post to by hand. - [X (Twitter) scheduler](https://postonus.com/en/twitter-scheduler.md): Schedule X posts and threads, with URLs counted the way X counts them and a per-plan cap that reflects what X actually charges for API access. - [YouTube scheduler](https://postonus.com/en/youtube-scheduler.md): Schedule YouTube uploads with the title counted against its own 100-character limit, not the description’s, and a free checker showing where it truncates. ## Developer surfaces - [All developer surfaces](https://postonus.com/en/developers.md): Three ways to schedule social posts without the dashboard — a contract-first HTTP API, a terminal CLI, and an MCP server for Claude, Cursor and ChatGPT. - [API access](https://postonus.com/en/api.md): A contract-first HTTP API for scheduling posts: one OpenAPI document, workspace-scoped API keys, declared error codes, and no response envelope to unwrap. - [MCP server](https://postonus.com/en/mcp.md): Connect Claude, Cursor, or ChatGPT to your social media calendar over MCP. Five tools to read your queue, check posting windows, and stage scheduled posts. ## Docs - [For agents](https://postonus.com/docs/agents.md): How an assistant or a script should point itself at Postonus. - [Authentication](https://postonus.com/docs/api/authentication.md): API keys, how they are scoped, and how to create and revoke them. - [Errors](https://postonus.com/docs/api/errors.md): There is no response envelope. The HTTP status carries success, and every error has a stable code. - [API](https://postonus.com/docs/api.md): A REST API over one Zod contract, for scheduling and publishing posts from your own code. - [Pagination](https://postonus.com/docs/api/pagination.md): List responses vary by operation — check the shape before you assume one. - [Public surface](https://postonus.com/docs/api/public-surface.md): An API key reaches a subset of the API. Everything else answers 404, not 403. - [API quickstart](https://postonus.com/docs/api/quickstart.md): Schedule a post end to end with three curl requests. - [Rate limits](https://postonus.com/docs/api/rate-limits.md): Three buckets — browser, programmatic, and per-key — sized by plan, so a script can never starve your own dashboard. - [Start an OAuth connect](https://postonus.com/docs/api/reference/integrations/integrations.connectIntegration.md) - [List active integrations with health](https://postonus.com/docs/api/reference/integrations/integrations.get.md) - [Create posts in bulk](https://postonus.com/docs/api/reference/posts/posts.create.md) - [Delete a post](https://postonus.com/docs/api/reference/posts/posts.delete.md) - [Get a post](https://postonus.com/docs/api/reference/posts/posts.getById.md) - [List posts](https://postonus.com/docs/api/reference/posts/posts.list.md) - [Move a schedule to a new time](https://postonus.com/docs/api/reference/posts/posts.rescheduleSchedule.md) - [Retry a failed schedule](https://postonus.com/docs/api/reference/posts/posts.retrySchedule.md) - [Update a post](https://postonus.com/docs/api/reference/posts/posts.update.md) - [Delete a schedule](https://postonus.com/docs/api/reference/schedules/schedules.delete.md) - [Get a schedule](https://postonus.com/docs/api/reference/schedules/schedules.getById.md) - [List schedules (calendar view)](https://postonus.com/docs/api/reference/schedules/schedules.list.md) - [Get a tag](https://postonus.com/docs/api/reference/tags/tags.getById.md) - [List tags](https://postonus.com/docs/api/reference/tags/tags.list.md) - [Complete an upload once its bytes are in storage](https://postonus.com/docs/api/reference/uploads/upload.completeUpload.md) - [Delete an uploaded file](https://postonus.com/docs/api/reference/uploads/upload.deleteFile.md) - [Import a file from a public URL](https://postonus.com/docs/api/reference/uploads/upload.fromUrl.md) - [Get a signed URL to upload a file](https://postonus.com/docs/api/reference/uploads/upload.initiateUpload.md) - [Get API and MCP call totals for the workspace](https://postonus.com/docs/api/reference/usage/usage.summary.md) - [Get the current user](https://postonus.com/docs/api/reference/user/user.me.md) - [Workspaces](https://postonus.com/docs/api/workspaces.md): How the active workspace is resolved — never from a path segment. - [CI](https://postonus.com/docs/cli/ci.md): Run the CLI in a pipeline with an API key — no login step, no browser. - [Commands](https://postonus.com/docs/cli/commands.md): Every command the CLI supports, grouped by what it acts on. - [Install](https://postonus.com/docs/cli/install.md): Install the CLI and sign in with a browser-approved device code. - [Scripting](https://postonus.com/docs/cli/scripting.md): --json, stdout vs. stderr, and exit codes — how to drive the CLI from another program. - [Getting started](https://postonus.com/docs/getting-started.md): Create a workspace, connect a channel, and schedule your first post. - [Postonus docs](https://postonus.com/docs.md): Three ways to drive Postonus from outside the dashboard — an AI assistant over MCP, a REST API, and a CLI. - [Connect an assistant](https://postonus.com/docs/mcp/connect.md): Claude Desktop, Claude Code, Cursor, and ChatGPT — the same steps, no API key to paste. - [MCP](https://postonus.com/docs/mcp.md): Postonus is an MCP server, so an AI assistant can manage your queue directly. - [Limits](https://postonus.com/docs/mcp/limits.md): An assistant meets the same limits the composer does, because it calls the same services. - [Tools](https://postonus.com/docs/mcp/tools.md): The eight MCP tools — arguments, what comes back, and what each one refuses. - [Troubleshooting](https://postonus.com/docs/mcp/troubleshooting.md): Connector added but nothing happens, an expired grant, or a client that lists no tools. ## Comparisons with other schedulers - [All comparisons](https://postonus.com/en/vs.md): Ten honest comparisons against Buffer, Hootsuite, Later, and more — pricing shape, platform breadth, recycling, and approvals, compared plainly. - [vs Buffer](https://postonus.com/en/vs/buffer.md): Buffer charges per channel and covers 11 platforms. Postonus charges per workspace and covers 16. A plain look at where each one actually wins. - [vs Hootsuite](https://postonus.com/en/vs/hootsuite.md): Hootsuite starts at $99 per seat with no lower bracket. Postonus starts at $12 flat. A plain comparison of price, platforms, and what each one recycles. - [vs Later](https://postonus.com/en/vs/later.md): Later has no CSV bulk import and no evergreen recycling — both are open feature requests. See what Postonus ships instead, and where Later still wins. - [vs Metricool](https://postonus.com/en/vs/metricool.md): Compare Postonus and Metricool on pricing, platforms, and developer access — and where Metricool’s analytics-led product genuinely beats Postonus. - [vs Pallyy](https://postonus.com/en/vs/pallyy.md): Pallyy has no bulk CSV import, no evergreen recycling, and no public API or CLI found. See what it does have, and where Postonus covers more ground instead. - [vs Postiz](https://postonus.com/en/vs/postiz.md): Compare Postonus and Postiz on hosting, pricing, and platforms. Postiz ships its own MCP server and CLI too, so we compare on hosted reliability instead. - [vs Publer](https://postonus.com/en/vs/publer.md): Publer’s free plan can actually publish on 3 accounts. Postonus’s free workspace can’t. Here is the rest of the comparison, prices and platforms included. - [vs RecurPost](https://postonus.com/en/vs/recurpost.md): Compare Postonus and RecurPost on pricing, platforms, and evergreen recycling — including RecurPost’s content libraries, RSS refill, and MCP server. - [vs Sendible](https://postonus.com/en/vs/sendible.md): Compare Postonus and Sendible on pricing, platforms, and team seats — including Sendible’s unlimited users on Core and its unverified API access. - [vs SocialBee](https://postonus.com/en/vs/socialbee.md): Compare Postonus and SocialBee on pricing, platforms, recycling, and API access — including where SocialBee has no public API and its queue can stall. ## Who it is for - [For agencies](https://postonus.com/en/for/agencies): Running several client accounts from one workspace, with approval before anything publishes. - [For creators](https://postonus.com/en/for/creators): Scheduling a personal content calendar across the platforms a creator actually posts to. - [For startups](https://postonus.com/en/for/startups): Keeping a company account active without a dedicated social media hire. - [Schedule Instagram Reels](https://postonus.com/en/schedule-instagram-reels): Scheduling Reels through the official Instagram API, including the media rules Instagram enforces. - [Schedule LinkedIn posts](https://postonus.com/en/schedule-linkedin-posts): Scheduling LinkedIn posts and a follow-up first comment for personal profiles and company pages. - [Social media content calendar](https://postonus.com/en/social-media-content-calendar): One shared calendar wired to real publishing, so the plan and what goes out cannot disagree. - [Social media approval workflow](https://postonus.com/en/social-media-approval-workflow): A sign-off step in front of publishing, for a client or a manager who needs to see posts first. ## Free tools - [Character Counter](https://postonus.com/en/tools/character-counter): Count characters, words, and sentences against the real limit of every platform you publish to. - [Image Resizer](https://postonus.com/en/tools/image-resizer): Resize one image into perfectly sized exports for every platform at once, without uploading anything. - [Instagram Grid Generator](https://postonus.com/en/tools/instagram-grid-generator): Split and export perfectly aligned 3x1, 3x2, or 3x3 grids ready for Instagram feed layouts. - [Instagram Carousel Splitter](https://postonus.com/en/tools/instagram-carousel-splitter): Split a wide image into seamless, swipeable Instagram carousel slides. - [YouTube Title Checker](https://postonus.com/en/tools/youtube-title-checker): Preview how your YouTube title truncates in search, feed, sidebar, and Shorts before you publish. - [LinkedIn Text Formatter](https://postonus.com/en/tools/linkedin-text-formatter): Clean, format, and structure LinkedIn posts for maximum clarity and engagement. - [UTM Generator](https://postonus.com/en/tools/utm-generator): Build UTM-tagged campaign links with platform presets, and catch the tagging mistakes generators usually miss. - [Code to Image](https://postonus.com/en/tools/code-to-image): Beautifully render code snippets as images for your social media posts. - [Document to Markdown](https://postonus.com/en/tools/document-to-markdown): Turn a PDF, Word, PowerPoint, or Excel file into clean Markdown, converted entirely in your browser. - [Avatar Generator](https://postonus.com/en/tools/avatar-generator): Turn any handle into a friendly geometric avatar, or a whole list of them into one image for a team post. Generated in your browser, never uploaded. ## Blog - [How to Schedule Instagram Reels and TikTok Videos from One Tool](https://postonus.com/en/blog/how-to-schedule-instagram-reels-and-tiktok-videos.md): Tired of publishing by hand? Here is how to schedule Instagram Reels and TikTok videos ahead of time from one dashboard, instead of two separate apps. - [Postonus vs Buffer: An Honest Comparison for 2026](https://postonus.com/en/blog/postonus-vs-buffer.md): Read our honest comparison between Postonus and Buffer. Discover the differences in pricing, multi-account setup, auto-repurposing, and platform support. - [The Right Way to Repurpose Top-Performing Posts (Without Sounding Like a Robot)](https://postonus.com/en/blog/the-right-way-to-repurpose-top-performing-posts.md): Learn the best practices to repurpose and recycle your best social media posts. Adapt formatting, style, and tone for each platform without sounding like a bot. - [Best Times to Post on Social Media: A Complete Guide for 2026](https://postonus.com/en/blog/best-times-to-post-on-social-media.md): Learn the best times to post on Instagram, Facebook, LinkedIn, X, and TikTok to maximize engagement. Data-driven insights for optimal social media scheduling. - [Best Social Media Scheduling Tools for 2026](https://postonus.com/en/blog/best-social-media-scheduling-tools-2026.md): An in-depth comparison of the best social media scheduling tools for 2026. Features, pricing, pros and cons for Buffer, Hootsuite, SocialPilot, and more. - [Best Social Media Tools for Solopreneurs in 2026](https://postonus.com/en/blog/best-social-media-tools-solopreneurs.md): The best social media tools for solopreneurs in 2026: scheduling, design, and analytics apps compared, with notes on which fit a one-person brand. - [Best Times to Post on Instagram in 2026](https://postonus.com/en/blog/best-times-to-post-instagram-2026.md): When to post on Instagram in 2026: the best windows for feed posts, Reels, and Stories, plus how to schedule them with Postonus for stronger engagement. - [Buffer vs Hootsuite: Which Is Better in 2026?](https://postonus.com/en/blog/buffer-vs-hootsuite-2026.md): Buffer vs Hootsuite in 2026: compare pricing, features, and use cases. See which fits solopreneurs vs enterprises—and alternatives like Postonus. - [How to Schedule Instagram Reels and Stories](https://postonus.com/en/blog/how-to-schedule-instagram-reels-and-stories.md): How to schedule Instagram Reels and plan Stories ahead of time, using Postonus or Meta Business Suite, so posts go out when your audience is online. - [What Is Social Media Scheduling? A Complete Guide](https://postonus.com/en/blog/what-is-social-media-scheduling.md): What is social media scheduling? How it works, benefits, and best tools. Use Postonus to schedule posts to Instagram, Facebook, LinkedIn, TikTok, and more. - [Social Media Automation Best Practices: Work Smarter, Not Harder](https://postonus.com/en/blog/social-media-automation-best-practices.md): Master social media automation with these best practices. Learn how to automate scheduling, content distribution, and engagement while maintaining authenticity. - [AI Tools for Social Media Marketing: The Future is Here](https://postonus.com/en/blog/ai-tools-for-social-media-marketing.md): Discover the best AI tools for social media marketing. Learn how artificial intelligence can transform your content strategy and boost engagement. - [10 Content Creation Tips for Better Social Media Engagement](https://postonus.com/en/blog/content-creation-tips-for-better-engagement.md): Boost your social media engagement with these 10 proven content creation tips. Learn how to create posts that your audience will love and share. - [Getting Started with Social Media Management: A Complete Guide](https://postonus.com/en/blog/getting-started-with-social-media-management.md): A starting guide to social media management: the strategy, tools, and habits that grow a brand online without wasting your first few months. - [10 Content Creation Tips for Better Social Media Engagement](https://postonus.com/en/blog/content-creation-tips-social-media-engagement.md): 10 content creation tips that drive likes, comments, and shares. Create engaging social content and schedule it with Postonus for maximum impact. - [Social Media Management for Small Business: A Practical Guide](https://postonus.com/en/blog/social-media-management-small-business.md): A practical guide to social media management for small business: strategy, content, and scheduling tools that keep you visible without a full-time hire. - [How to Build a Social Media Content Calendar That Actually Works](https://postonus.com/en/blog/how-to-build-social-media-content-calendar.md): How to build a social media content calendar that works: planning, content mix, and the tools that keep your posting organized and consistent. - [How to Grow Your Social Media Following Organically: A Complete Guide](https://postonus.com/en/blog/how-to-grow-social-media-following-organically.md): Proven ways to grow a social media following organically: build a real, engaged audience without buying followers or running automation bots. - [Instagram Reels Strategy Guide: How to Go Viral and Grow Your Audience](https://postonus.com/en/blog/instagram-reels-strategy-guide.md): How to create Instagram Reels that get views: proven hooks, trends, and editing habits for growing an audience with short-form video content. - [LinkedIn Content Strategy for B2B: How to Build Authority and Generate Leads](https://postonus.com/en/blog/linkedin-content-strategy-b2b.md): How to build a LinkedIn content strategy for B2B: tactics for authority, engaging decision-makers, and turning posts into quality business leads. ## Legal - [Privacy policy](https://postonus.com/en/legal/privacy-policy.md) - [Terms of service](https://postonus.com/en/legal/terms.md)