> ## Documentation Index > Fetch the complete documentation index at: https://developer.box.com/llms.txt > Use this file to discover all available pages before exploring further. # Free developer plan > Build and test full-featured Box applications at no cost with a free developer plan. export const Link = ({href, children, className, ...props}) => { const localizedHref = localizeLink(href); return {children} ; }; Build and test full-featured Box applications with enterprise-grade APIs at no cost. The free developer plan allows you to prototype, integrate, and validate your workflows before you scale. With a free developer plan, you get: * **1,000 AI units** per month for Box AI features like asking questions, extracting structured and freeform metadata, and generating text * **10 GB** storage, a **250 MB** file upload limit, and **1** file version * **Box Sign** with **5** documents for e-signature per month * Full API access with OAuth 2.0, JWT, and Client Credentials Grant (CCG) authentication * Developer Console access to create apps, generate credentials, and manage your integration * Support through the Box Community forum ### Included APIs With the free developer plan, you can access key endpoints including: * **AI**: Ask questions, extract structured and freeform metadata, and generate text * **Authorization**: Implement OAuth 2.0, JWT, or Client Credentials Grant (CCG) * **Content**: Upload, download, preview, version, and manage files and folders * **Hubs**: Create content portals, curate the items they contain, and manage hub collaborations * **Metadata**: Read, write, and extend metadata on files and folders * **Webhooks**: Build real-time, event-driven applications * **Search**: Implement powerful content discovery features * **Sign**: Send documents for e-signature and track request status * **Users & Groups**: Create users, manage group memberships, and control access Box Automate and Box Doc Gen are not included in the free developer plan. ## Sign up as a Box developer 1. Visit the developer signup page. 2. Enter your name, email address, and create a password. 3. Accept the terms and select **Get Started**. Confirm your email address to activate your developer account. Now you have access to the Developer Console, where you can create applications, generate credentials, and start exploring APIs. ### Default application and authorization A default application using Client Credentials Grant (CCG) authentication is created for you automatically. On a free developer account, this app is also authorized automatically, so you don't need separate admin approval before making API calls. ## Upgrade your free developer plan 1. Log into your Box account and select **Back to My Account**, if not already in Box Drive. 2. From the top of the screen, select **Upgrade Plan**. 3. Choose the plan that aligns with your requirements. 4. Complete checkout and enter payment information to activate your upgraded features immediately. Your existing developer applications, API credentials, and integrations stay the same during the upgrade process. You do not need to reconfigure or redeploy. ## Select the right plan Upgrading from the free developer plan unlocks higher storage and upload limits, multi-user enterprise administration, licensed API capacity, direct support, and access to additional Box products. Exact limits change over time, so use the Plans and Pricing page as the source of truth before you commit to production. ### What paid plans add in general Compared with the free developer plan, paid Business and Enterprise accounts typically include: * **More capacity** — Higher storage, per-file upload limits, file version history, and Box Sign volume. * **Enterprise administration** — Admin Console, managed users and groups, platform app authorization workflows, and optional developer sandboxes for team-based testing. * **Access to more Box products** — Higher tiers and add-ons unlock Box AI, Box AI Studio, Box Sign, Box Doc Gen, Box Hubs, Box Relay, Box Governance, Box Shield, Box Archive, and Box Automate. The tiers below show where each becomes available. * **Licensed API usage** — Business plans include a monthly API call allocation per enterprise; see licensing-based rate limits and the pricing page for defaults. * **Direct support** — Business and Enterprise plans include technical support options that differ by tier. ### Business and Business Plus Best when you need a multi-user production environment with core platform APIs: | Area | What you gain | | ----------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------- | | **Platform APIs** | Full content, metadata, search, webhooks, users, and groups APIs at production scale | | **Box Sign** | Box Sign API on Business, Business Plus, Enterprise, Enterprise Suites, Enterprise Plus, and Enterprise Advanced | | **Box AI** | Box AI API (ask, extract, text generation) on Business plans and above | | **Metadata** | Custom metadata templates on Business Plus and above | | **Upload limits** | Up to **5 GB** per file on Business and **15 GB** on Business Plus ([direct upload limits](/guides/uploads/direct)) | ### Enterprise, Enterprise Plus, and Enterprise Advanced Best when you need higher scale, advanced automation, or specialized products: | Plan tier | Notable limits | Box products and APIs commonly unlocked | | ----------------------- | -------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | **Enterprise** | Up to **50 GB** per-file upload limit | Box Sign, Box AI, Box Relay API (when Relay is enabled), Box Hubs API (when Hubs is enabled) | | **Enterprise Plus** | Up to **150 GB** per-file upload limit | Same core products as Enterprise, with higher capacity | | **Enterprise Advanced** | Up to **500 GB** per-file upload limit | Box Doc Gen, Box AI Studio, Box Archive, and Box Automate (when enabled for your organization) | Enterprise Advanced is required for several APIs documented in this developer site, including Box Doc Gen, Box AI Studio, and Box Archive. Box Automate and Box Hubs also depend on your plan and how your admin enables the product. ### Add-on products Some capabilities are sold as add-ons and enabled separately in the Admin Console: | Add-on | Available on | Developer-facing capabilities | | ------------------ | ---------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------- | | **Box Governance** | Business Plus, Enterprise, or Enterprise Advanced (add-on) | Retention policies and legal holds APIs | | **Box Shield** | Purchased add-on for qualifying enterprises | Security classifications, threat detection, and related Shield event triggers | Other factors to consider when you choose a plan: * Enterprise plans offer advanced security, compliance, and custom configurations * Higher-tier Enterprise plans include increased AI query limits and advanced capabilities * Business and Enterprise plans support unlimited storage and direct technical support, with support offerings that differ depending on the plan For further guidance on selecting the right plan, contact Box's sales team or visit the Plans and Pricing page.