Resources
Learn social media scheduling, AI content and automation, try 57 free tools, or set up the API and MCP for your AI agent.
Free plan, no credit card. Paid plans include a 14-day free trial.
Practical guides to social media with AI, scheduling, analytics and automation.
TikTok's app takes captions of up to 4,000 characters, but scheduling tools get 2,200 through TikTok's API. What counts, emoji math and how to write one.
Bluesky has drafts but no scheduling. How to schedule Bluesky posts and threads with PostBoost, from the composer, the REST API or an AI assistant.
A Threads post holds 500 characters, but Meta counts each emoji as its UTF-8 bytes. All Threads limits: links, topic tags, media, alt text, attachments.
Count characters, check a post before it goes out, find a posting time or turn a blog post into social posts. Free to use.
Paste a blog post URL and get AI captions for Facebook, Instagram, X, LinkedIn, Pinterest, YouTube, TikTok and Mastodon, sized for each network. Free.
Open toolCheck a post before posting: character limits, hashtags, media count, video length and see-more cut-offs for X, Instagram, LinkedIn, TikTok and more.
Open toolFree character counter for X, Threads, Bluesky, Instagram, LinkedIn, TikTok and more. Counts as each network does, live in your browser.
Open toolBest times to post on Instagram, Facebook, LinkedIn, X and TikTok by weekday, from Sprout Social, Buffer and Hootsuite, side by side with sources.
Open toolBuild UTM-tagged links for social posts in your browser: network presets, live preview, naming warnings and saved presets. Free, no signup.
Open toolImage sizes for Instagram, Facebook, LinkedIn, X, TikTok, YouTube, Pinterest and more, each with its source. Crop and resize your image in the browser.
Open toolMCP, the REST API and webhooks are included on every plan, including Free.
Set up Claude, ChatGPT, Cursor, VS Code and other MCP clients.
Concepts, quickstart, authentication and guides.
Every endpoint, built from the OpenAPI spec.
9 SDKs, including a CLI, generated from the same spec.
Get told when a post publishes, fails or an account disconnects.
What changed in the API, newest first.
Side-by-side pages with sources, and two roundups for teams choosing an API or an MCP server.
A real person reads every message. First reply within one business day (Monday to Friday, 08:00–18:00 UTC).
Contact supportSee why a network drops a connection and how to reconnect it.
Read the guidePostBoost publishes for teams and their AI agents on 15 channels. This hub links to everything that is free to read or use: 17 guides on /learn, 57 free tools, the docs and API reference, the MCP setup for AI agents, comparison pages and support. Support answers by email at [email protected], Monday to Friday, 08:00–18:00 UTC.
page: https://postboost.co/resources
learn: https://postboost.co/learn (feed: https://postboost.co/learn/feed.xml, index: https://postboost.co/learn.md)
tools: https://postboost.co/tools (57 free tools)
docs: https://postboost.co/docs/intro/
api_reference: https://postboost.co/docs/api/postboost-api/
openapi: https://postboost.co/docs/openapi/postboost-api.yaml
mcp: https://postboost.co/mcp (setup: https://postboost.co/agents.md)
changelog: https://postboost.co/docs/changelog/
compare: https://postboost.co/compare
pricing: https://postboost.co/pricing.md
llms: https://postboost.co/llms.txt
support: https://postboost.co/contact ([email protected], Monday to Friday, 08:00–18:00 UTC)
signup: https://postboost.co/app/registerFree plan, no credit card.