# PostNitro Documentation

> PostNitro (https://postnitro.ai) is an AI-powered carousel generator for social media (LinkedIn, Instagram, TikTok, and more). This documentation covers the PostNitro app, the Embed API (REST API for automated carousel generation), the Embed SDK (JavaScript library for embedding the carousel editor in web apps), and no-code integrations.

Every page listed below is available as raw markdown by appending `.md` to its page URL. The complete documentation in one file is at https://postnitro.ai/docs/llms-full.txt.

Key facts:

- MCP server for AI agents: `https://mcp.postnitro.ai/mcp` (Streamable HTTP, `Authorization: Bearer <api-key>` header) — connect it to create carousels directly via 12 built-in tools
- Embed API base URL: `https://embed-api.postnitro.ai`, authenticated via the `embed-api-key` HTTP header
- Embed API OpenAPI 3.1 specification: https://postnitro.ai/docs/openapi.json
- Carousel generation is asynchronous: initiate (`POST /post/initiate/generate` or `POST /post/initiate/import`), poll `GET /post/status/{embedPostId}` until `COMPLETED`, then fetch files from `GET /post/output/{embedPostId}`
- Embed SDK npm package: `@postnitro/embed`
- Support: support@postnitro.ai

## Embed API (programmatic carousel generation)

REST API for generating carousels programmatically. Base URL: https://embed-api.postnitro.ai — authenticate with the `embed-api-key` header.

- [Embed Documentation](https://postnitro.ai/docs/embed.md): Learn how to get started with PostNitro's Embed SDK and Embed APIs to seamlessly integrate our AI-powered carousel maker into your web application.
- [Obtaining an API Key](https://postnitro.ai/docs/embed/obtaining-an-api-key.md): Find out how to obtain your PostNitro Embed SDK API key to authenticate and access the full functionality of our carousel maker.
- [PostNitro Embed API - Automate Carousel Creation](https://postnitro.ai/docs/embed/api.md): Integrate PostNitro's AI-powered carousel generation into your workflows. Automate social media content creation with our REST API for marketing agencies and developers.
- [AI Generation API - Create Carousels with AI](https://postnitro.ai/docs/embed/api/initiate/generate.md): Generate carousel posts using AI with PostNitro's generate API. Create content from topics, articles, or text with customizable presets.
- [Content Import API - Upload Your Own Slides](https://postnitro.ai/docs/embed/api/initiate/import.md): Import your own slide content to create custom carousels. Full control over headings, descriptions, and images with PostNitro's import API.
- [Check Post Status - Monitor Carousel Generation](https://postnitro.ai/docs/embed/api/request-status.md): Track the progress of your carousel generation requests. Get real-time status updates and processing logs for PostNitro API requests.
- [Get Post Output - Retrieve Generated Carousels](https://postnitro.ai/docs/embed/api/post-output.md): Download your generated carousel posts as PNG images or PDF documents. Complete API reference for retrieving PostNitro carousel outputs.
- [Embed API Subscription Plans & Pricing](https://postnitro.ai/docs/embed/api/subscription.md): Choose the right PostNitro Embed API plan for your needs. Free tier with 5 credits, paid plans from $10/month. Scale from 250 to 25,000 credits.

## MCP Server (direct AI-agent integration)

Model Context Protocol server at `https://mcp.postnitro.ai/mcp` — AI assistants (Claude, Cursor, etc.) can create carousels directly through 12 built-in tools, using the same API key and credits as the Embed API.

- [PostNitro MCP Server - Connect AI Agents](https://postnitro.ai/docs/embed/mcp.md): Connect Claude, Cursor, and other AI agents directly to PostNitro via the Model Context Protocol (MCP). Generate carousels conversationally with 12 built-in tools.

## Embed SDK (in-browser carousel editor)

JavaScript SDK (`@postnitro/embed`) for embedding the carousel editor into a web application.

- [Welcome to PostNitro.ai Embed SDK](https://postnitro.ai/docs/embed/sdk.md): Learn how to integrate PostNitro's carousel maker directly into your web application with our powerful Embed SDK.
- [Installing the Embed SDK](https://postnitro.ai/docs/embed/sdk/installation.md): Discover the step-by-step process to install PostNitro's Embed SDK and start creating stunning carousels in your web app.
- [Initializing the Embed SDK](https://postnitro.ai/docs/embed/sdk/initialization.md): Learn how to initialize the PostNitro Embed SDK in your web application to start creating and editing carousels seamlessly.
- [Create & Update Carousels with Embed SDK](https://postnitro.ai/docs/embed/sdk/creating-updating-carousels.md): Discover how to create and update engaging carousels using PostNitro's Embed SDK, directly from your web application.
- [Embed SDK Implementation Example](https://postnitro.ai/docs/embed/sdk/examples.md): Explore practical examples of implementing PostNitro's Embed SDK to create captivating carousels in various web app scenarios.

## How-To Guides

- [How to bulk import slides content for carousel?](https://postnitro.ai/docs/how-to/bulk-import-slide-content.md): Learn how to bulk import slides for PostNitro carousels using Text or CSV. Step-by-step guide to easily map content onto carousel slides.
- [Getting Started with PostNitro](https://postnitro.ai/docs/how-to/getting-started.md): The complete guide to getting started with PostNitro. Learn how to create stunning carousels with our easy-to-use visual editing tool and AI assistants.
- [Additional Limits](https://postnitro.ai/docs/how-to/manage-subscription/additional-limits.md): Add additional limits to your active subscription.
- [How to cancel a subscription?](https://postnitro.ai/docs/how-to/manage-subscription/cancel.md): Learn how to cancel your PostNitro subscription. Our step-by-step guide ensures a smooth cancellation process, giving you full control over your account.
- [How to manage your subscription settings in Lemon Squeezy?](https://postnitro.ai/docs/how-to/manage-subscription/customer-portal.md): Learn to manage your PostNitro subscription in Lemon Squeezy. Our guide covers essential steps for efficient billing management.
- [How to purchase a subscription plan?](https://postnitro.ai/docs/how-to/manage-subscription/purchase.md): Learn how to purchase a subscription plan on PostNitro and unlock advanced features. Follow our step-by-step guide to choose the perfect plan for your needs.
- [How to resume a subscription cancelled plan?](https://postnitro.ai/docs/how-to/manage-subscription/resume-cancelled.md): Our guide explains how to resume your subscription quickly and easily, so you can continue creating stunning carousels.
- [How to update payment method?](https://postnitro.ai/docs/how-to/manage-subscription/update-payment-method.md): Easily update your payment method on PostNitro to ensure uninterrupted access to your subscription. Our guide walks you through the process step by step.
- [How to upgrade or downgrade a subscription plan?](https://postnitro.ai/docs/how-to/manage-subscription/upgrade-downgrade.md): Discover how to upgrade or downgrade your PostNitro subscription plan to match your changing needs. Follow the instructions for a seamless transition.
- [How to manage headshots?](https://postnitro.ai/docs/how-to/manage/headshots.md): Easily upload, edit and organize all your headshot images and branding elements like logos and handles for use in carousels with PostNitro.
- [How to publish a carousel post on social platforms?](https://postnitro.ai/docs/how-to/publish-carousel-on.md): You've made the most perfect carousel post, and now it is time to publish it. Showcase your work for everyone to see.
- [How to publish a carousel post on Instagram](https://postnitro.ai/docs/how-to/publish-carousel-on/instagram.md): Find out how to design high-converting Instagram carousel posts in a flash using PostNitro's user-friendly design suite and Instagram publishing.
- [How to publish a carousel post On LinkedIn](https://postnitro.ai/docs/how-to/publish-carousel-on/linkedin.md): Learn how to quickly publish stunning, optimized carousel posts created through PostNitro that drive more views, reactions, and shares on LinkedIn.
- [How to publish a carousel post on Reddit](https://postnitro.ai/docs/how-to/publish-carousel-on/reddit.md): Learn how to export carousel posts from PostNitro and seamlessly publish them to Reddit profiles or communities.
- [How to publish a carousel post on TikTok](https://postnitro.ai/docs/how-to/publish-carousel-on/tiktok.md): Discover how to design eye-catching carousel posts in PostNitro optimized for TikTok, then export and upload to TikTok to boost views and engagement.
- [How to save carousel design?](https://postnitro.ai/docs/how-to/save-carousel-design.md): Save any carousel created in PostNitro to your account with one click for easy access later. Retrieve, edit, or reuse saved carousels whenever needed.
- [How to save a carousel design as template?](https://postnitro.ai/docs/how-to/save-carousel-design/as-template.md): Transform any carousel into a template to repurpose its design. Easily update saved templates and apply them to create new carousels in just a few clicks.
- [How to save a carousel design updating an existing template](https://postnitro.ai/docs/how-to/save-carousel-design/update-template.md): Customize your templates anytime by updating colors, fonts, layouts, images. Apply changes across new carousels in a single click for design consistency.
- [How to set a background image on a carousel slide](https://postnitro.ai/docs/how-to/set-background-image.md): Enhance visual appeal in social carousels by uploading and tailoring background images per individual slide or across entire carousels.
- [How to add a background image to a carousel slide](https://postnitro.ai/docs/how-to/set-background-image/add-new.md): Upload and adjust background images to complement content visually using PostNitro's intuitive background image configuration feature.
- [How to modify a background image on a carousel slide](https://postnitro.ai/docs/how-to/set-background-image/modify.md): Take control over background image appearance, alignment, opacity, and more to craft stunning and optimized social media carousels.
- [How to set carousel colors to fit your branding](https://postnitro.ai/docs/how-to/set-carousel-colors.md): Customize carousel colors to match branding. Learn how to set background, text, accent & box colors using pre-made color palette or apply custom colors.
- [How to set custom fonts for carousels?](https://postnitro.ai/docs/how-to/set-carousel-custom-fonts.md): Easily upload and apply custom fonts to your carousels in PostNitro. Learn how to add brand fonts, set font pairings, and ensure consistent across designs.
- [How to set carousel headshot?](https://postnitro.ai/docs/how-to/set-carousel-headshot.md): Follow best practices by adding your logo, name, and social media handle as a headshot to carousels using PostNitro.
- [How to set carousel name](https://postnitro.ai/docs/how-to/set-carousel-name.md): Easily name and organize carousel projects in PostNitro. Step-by-step guide on setting a clear carousel title to quickly identify and manage saved designs.
- [Customize Carousel Size for Seamless Social Media Display](https://postnitro.ai/docs/how-to/set-carousel-size.md): Learn how to tailor carousel slide size for a flawless fit across social platforms using PostNitro's flexible sizing options.
- [How to generate carousel content with AI](https://postnitro.ai/docs/how-to/use-ai-to-generate.md): PostNitro offers advanced AI capabilities to effortlessly produce high-quality text, images and videos for your social media carousels.
- [How to use AI to generate content for Carousel from Article](https://postnitro.ai/docs/how-to/use-ai-to-generate/content-from-article.md): Let PostNitro's AI instantly analyze any published article link to automatically create visually captivating, rich carousel content optimized for social media.
- [How to use AI To generate content for Carousels from Text](https://postnitro.ai/docs/how-to/use-ai-to-generate/content-from-text.md): Input up to 5k characters of descriptive text. PostNitro's AI will instantly leverage the context to generate complete carousel posts ready for customization.
- [How to use AI to generate content for Carousels from Topic](https://postnitro.ai/docs/how-to/use-ai-to-generate/content-from-topic.md): Enter a topic, and PostNitro's AI will instantly create a complete, visually optimized carousel post with multiple slides ready for customization.

## Integrations (Zapier, Make.com)

- [Getting Started with Integrations](https://postnitro.ai/docs/integrations/getting-started.md): Learn how to connect PostNitro to external platforms like Google Drive, Dropbox, Slack, MailChimp, and more to enhance capabilities.
- [Automate PostNitro Workflows with Make.com](https://postnitro.ai/docs/integrations/make.md): Automate PostNitro workflows with Make.com. Connect to thousands of apps, streamline creation and distribution.
- [Connecting PostNitro with Make](https://postnitro.ai/docs/integrations/make/connect-with-make.md): Integrate workflows between PostNitro and thousands of apps, including email, CRM, and social media platforms, using Make's automation tool.
- [Creating PostNitro Triggers in Make](https://postnitro.ai/docs/integrations/make/create-postnitro-trigger.md): Guide on setting up PostNitro triggers in Make to track events like new carousels generated, exported or modified to activate workflows.
- [Exporting PostNitro Carousels to Make](https://postnitro.ai/docs/integrations/make/export-to-make.md): Tutorial on exporting completed carousels from PostNitro into Make for seamless sharing, storage and usage in connected platforms.
- [Get your Make authentication key from PostNitro](https://postnitro.ai/docs/integrations/make/get-authentication-key.md): Complete walkthrough on connecting your PostNitro account to Make for setting up carousel automation workflows.
- [Connect PostNitro to Apps via Zapier](https://postnitro.ai/docs/integrations/zapier.md): Use PostNitro's integration with Zapier to link and automate workflows with thousands of apps. Distribute carousels, pull data, monitor analytics etc.
- [Connecting PostNitro with Zapier](https://postnitro.ai/docs/integrations/zapier/connect-with-zapier.md): Integrate workflows between PostNitro and thousands of apps, including email, CRM, and social media platforms, using Zapier's automation tool.
- [Creating PostNitro Actions in Zapier](https://postnitro.ai/docs/integrations/zapier/create-an-action.md): Using PostNitro actions in Zapier allows automating distribution, data insertion and more. Step-by-step guide on setup.
- [Creating PostNitro Triggers in Zapier](https://postnitro.ai/docs/integrations/zapier/create-postnitro-trigger.md): Guide on setting up PostNitro triggers in Zapier to track events like new carousels generated, exported or modified to activate workflows.
- [Exporting PostNitro Carousels to Zapier](https://postnitro.ai/docs/integrations/zapier/export-to-zapier.md): Tutorial on exporting completed carousels from PostNitro into Zapier for seamless sharing, storage and usage in connected platforms.
- [Get your Zapier authentication key from PostNitro](https://postnitro.ai/docs/integrations/zapier/get-authentication-key.md): Complete walkthrough on connecting your PostNitro account to Zapier for setting up carousel automation workflows.

## Plans & Pricing

- [Pricing & Plans](https://postnitro.ai/docs/plans.md): PostNitro is a social carousel post generation platform and the following explains each subscription plan we offer.

## Optional

- [Documentation](https://postnitro.ai/docs/index.md): PostNitro is an AI-powered platform that creates visually captivating carousels and helps you schedule them across social media.
- [PostNitro's Mission](https://postnitro.ai/docs/about-us/mission.md): PostNitro's mission is to revolutionize visual content creation through AI that empowers anyone to make optimized, high-converting content.
- [PostNitro's Vision](https://postnitro.ai/docs/about-us/vision.md): PostNitro envisions a world where people globally unlock their greatest engagement potential through effortless, optimized creativity powered by our platform.
- [Meet the Team](https://postnitro.ai/docs/about-us/team.md): Learn about the team behind PostNitro who are building the social carousel post generation platform of the future.