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bulkpublish-api

Schedule and publish posts across 15 social networks from one place. Hosted server at mcp.bulkpublish.com/mcp with tools for posts, schedules, media uploads, labels, approvals and analytics

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About this tool

BulkPublish API is a free social media API built for automation, AI agents, and LLMs, enabling programmatic publishing to 15 platforms with a single API call. It emphasizes a headless design: no browser, no UI, and no OAuth pop-ups at runtime; accounts only need to be connected once in the dashboard, after which everything is automated through the API.

Main capabilities

  • Platform coverage: Facebook, Instagram, X/Twitter, TikTok, YouTube, Threads, Bluesky, Pinterest, Google Business Profile, LinkedIn, Mastodon, Discord, Telegram, Tumblr, Snapchat, 15 platforms in total.
  • Scheduling: Supports scheduling posts for any future time, supports time zones, and can also let queue time slots choose the best time; supports daily, weekly, biweekly, or monthly recurring schedules.
  • Media upload: Supports images (JPEG, PNG, WebP, GIF) and videos (MP4, MOV, WebM), up to 100 MB.
  • Analytics and link tracking: Tracks impressions, likes, comments, shares, and engagement; each platform reports a different subset of metrics, and responses indicate supportedMetrics / supportedTotals. Link tracking can be enabled per organization or per post (linkTrackingOverride), rewriting links through bulkpubli.sh and counting clicks, reported as linkClicks / totalLinkClicks.
  • Organization features: Color labels, hashtag groups, templates, review links (people without an account can view posts read-only), calendar notes (pin events, holidays, and reminders to calendar days), bulk operations (delete or retry multiple posts in a single request).
  • Post formats: Threads multi-part threads (X, Threads, Bluesky, Mastodon), automatic first comment after publishing, all post types (Reels, Stories, Carousels, Threads, Shorts, Video, configurable per platform via postTypeOverrides), platform-specific content and options (such as Instagram collaborators, TikTok privacy, YouTube category, Pinterest board).

AI agent integration

  • MCP server (for Claude, Cursor, Windsurf, Claude Code): a local (stdio) server with 79 tools, including create_post, list_channels, upload_media, get_analytics, and the interactive compose_post editor (MCP Apps), among others. Hosted server https://mcp.bulkpublish.com/mcp（OAuth 2.1) Provides 20 core tool configurations: channels, posts, media, analytics, and interactive panels. The 27-tool inbox configuration adds reading and replying to direct messages, comments, and reviews. See mcp-server/README.md for details.
  • Social content skills: Includes a library of 24 skills for AI agents to plan, adapt, review, schedule, and publish social content.
  • LLM tool use / function calling: Provides ready-made tool definitions for autonomous AI agents, including Claude tool_use examples (Anthropic SDK), OpenAI function calling examples (GPT-4), and LangChain tool examples, all complete runnable scripts with error handling.

How to use

  1. Create a free account at app.bulkpublish.com.
  2. Create an API key in the dashboard under Settings > Developer. The key starts with bp_ and is shown only once.
  3. Connect social accounts under Channels in the dashboard. The API uses connected channels to publish.
  4. Install the SDK (Python and Node SDKs are supported via Homebrew), or call the REST API directly with any HTTP client such as curl, fetch, or requests.
  5. Make your first API call. Official complete interactive API documentation (app.bulkpublish.com/docs) and an OpenAPI specification are provided.

Use cases

  • AI social media management: Let Claude, GPT, or a custom agent autonomously schedule and publish posts.
  • Content pipelines: Automation from RSS to social, blog to social, and email newsletter to social.
  • Bulk scheduling: Upload a CSV or enter a content calendar to schedule weeks of posts programmatically.
  • Cross-platform sync: Publish to all platforms at once and optimize content per platform.
  • Analytics dashboards: Pull engagement data into your own tools, spreadsheets, or AI analysis.
  • Zapier/n8n/Make alternative: Direct API access, no middleware, lower latency, and greater control.
  • LLM-driven content creation: Generate content with AI, publish with BulkPublish, track performance, and iterate.

Limits and pricing

  • Rate limits: The documentation provides burst limits, daily quotas, and best practices; in the reference table, repeated scheduling is 10 at one tier and Unlimited at another; see the official rate limit guide for the specific tiers.
  • Platform differences: Each platform reports a different subset of metrics, which will be indicated in the response; 0 does not mean unmeasured.
  • Content limits: Media files are up to 100 MB; see above for supported formats.
  • Authentication and keys: Uses API key authentication; the key is shown only once and must be stored securely.
  • Specific fees and pricing information are not currently provided in the supplied materials.

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