# AgentKey > One key that connects your AI agent to web search, scraping, social media, crypto/on-chain, finance, e-commerce and business data — one subscription, zero setup. ## Docs - [account](https://docs.agentkey.app/api-reference/account.md): Check remaining credits and upstream health — always free. - [describe_tool](https://docs.agentkey.app/api-reference/describe-tool.md): Get a tool's parameters, per-call cost, and a ready-to-run template. - [Errors](https://docs.agentkey.app/api-reference/errors.md): Common error responses and how to resolve them. - [execute_tool](https://docs.agentkey.app/api-reference/execute-tool.md): Run a tool by its Provider/Operation name. - [find_tools](https://docs.agentkey.app/api-reference/find-tools.md): Discover the right tool from natural-language intent. - [API Reference](https://docs.agentkey.app/api-reference/introduction.md): The four core tools that power every AgentKey workflow. - [Authentication](https://docs.agentkey.app/authentication.md): How AgentKey authenticates usage with your master key. - [Business](https://docs.agentkey.app/capabilities/business.md): Company, acquisition, and entity intelligence. - [Crypto](https://docs.agentkey.app/capabilities/crypto.md): Market data, on-chain analytics, NFTs, DEX, wallets, and prediction markets. - [E-commerce](https://docs.agentkey.app/capabilities/ecommerce.md): Product search, details, and best-seller rankings. - [Finance](https://docs.agentkey.app/capabilities/finance.md): Technical indicators, commodities, and traditional market data. - [Capabilities Overview](https://docs.agentkey.app/capabilities/overview.md): Everything your agent can reach through AgentKey. - [Scrape](https://docs.agentkey.app/capabilities/scrape.md): Turn any URL into clean, LLM-ready content — and bypass anti-bot pages. - [Search](https://docs.agentkey.app/capabilities/search.md): Web, news, image, and LLM-context search across multiple providers. - [Social](https://docs.agentkey.app/capabilities/social.md): Real-time data across major social platforms. - [Auto Failover](https://docs.agentkey.app/concepts/auto-failover.md): When a provider goes down, your agent keeps running. - [Discover → Describe → Execute](https://docs.agentkey.app/concepts/discover-describe-execute.md): The three-step model every AgentKey call follows. - [Subscription & Billing](https://docs.agentkey.app/concepts/subscription.md): A monthly plan with included credits, plus usage-based overage. - [One Unified Key](https://docs.agentkey.app/concepts/unified-key.md): A single master key for every provider. - [Installation](https://docs.agentkey.app/connect/install.md): Install AgentKey into any of 22 supported agents — by one-line command, a prompt, or desktop config. - [Supported Agents](https://docs.agentkey.app/connect/supported-agents.md): The 22 agents AgentKey supports, and how each one installs. - [FAQ](https://docs.agentkey.app/faq.md): Common questions about AgentKey. - [AgentKey](https://docs.agentkey.app/index.md): One key that connects your AI agent to the entire digital world. - [Quickstart](https://docs.agentkey.app/quickstart.md): Install AgentKey, connect your key, and make your first tool call in minutes. - [Support](https://docs.agentkey.app/support.md): Get help and stay up to date.