# Megalania > Send a URL. Get the page back as HTML, Markdown or JSON. We start on the cheapest route and climb only when a site blocks us. Blocks we detect are free. ## Start - [Quickstart](https://docs.megalania.io/start/quickstart.md): From zero to your first page, your agent connected over MCP, and your first batch, in about ten minutes. cURL, Python and Node.js. - [Get a key](https://docs.megalania.io/start/get-a-key.md): Sign in, make a key and keep it safe. Scrape keys and account keys. - [First request](https://docs.megalania.io/start/first-request.md): The two ways to call /v1, how to pick the output, and how to read errors and retry safely. - [Troubleshooting](https://docs.megalania.io/start/troubleshooting.md): What you see, why it happens and what to change. 401, 402, 403, 404, 409, 422, 429, 503, empty pages, schema extraction and MCP setup. ## Guides - [Fetch, extract and lists](https://docs.megalania.io/guides/fetch.md): Every parameter of POST /v1, what you get back, sessions, identities and the free lookups. - [Send many URLs as one batch](https://docs.megalania.io/guides/batches.md): Send many URLs in one call. Poll the batch, page the results, or get a webhook. - [Engines and proxy tiers](https://docs.megalania.io/guides/engines.md): Leave them empty. We start on the cheapest route and climb only when a site blocks us. - [Watch pages with monitors](https://docs.megalania.io/guides/monitors.md): Check one page or a list on a schedule, and get a signed webhook with what changed. - [MCP for agents](https://docs.megalania.io/guides/mcp.md): Connect Claude, ChatGPT, Cursor or VS Code. The fifteen tools, what they cost, how to batch and how to watch pages. - [Credits and pricing](https://docs.megalania.io/guides/credits.md): What a page costs, by route. What is free, and when you are charged. - [Your account](https://docs.megalania.io/guides/account.md): Keys, people, usage, requests and purchases over the API. - [Privacy](https://docs.megalania.io/guides/privacy.md): What we keep about your requests, and for how long. - [Reuse a recent copy](https://docs.megalania.io/guides/cache.md): A page fetched in the last few minutes is served again for a small fixed price, instead of being fetched again. - [Map a site](https://docs.megalania.io/guides/map.md): POST /v1/map lists a site's URLs from its sitemaps and its start page, without fetching their content. - [Countries](https://docs.megalania.io/guides/countries.md): The countries each route can exit from, and how to pick one. - [Python SDK](https://docs.megalania.io/guides/sdk-python.md): Scrape, map, batches, monitors and tier from Python, with typed headers and a typed error. - [Command line](https://docs.megalania.io/guides/cli.md): The megalania command scrapes pages, maps sites, runs batches and crawls, and manages monitors from a shell. - [TypeScript SDK](https://docs.megalania.io/guides/sdk-typescript.md): Scrape, map, batches, monitors and tier from TypeScript or JavaScript, with typed headers and a typed error. - [Agent skill](https://docs.megalania.io/guides/agent-skill.md): Teach Claude Code and other agents to use Megalania with one skill, plus the MCP server in one plugin. ## Integrations - [LangChain](https://docs.megalania.io/integrations/langchain.md): Load pages and crawls as LangChain documents, and give a LangChain agent scrape, map and batch tools. - [LlamaIndex](https://docs.megalania.io/integrations/llamaindex.md): Read pages and crawls as LlamaIndex documents, and connect LlamaIndex agents to our MCP tools. - [Vercel AI SDK](https://docs.megalania.io/integrations/vercel-ai-sdk.md): Give an AI SDK model scrape, map and batch tools, capped at a price you choose. - [n8n](https://docs.megalania.io/integrations/n8n.md): Scrape pages, map sites and run batches from n8n workflows and the n8n AI Agent. ## Reference - [REST API](https://docs.megalania.io/reference/api.md): POST /v1 and the two free lookups, every parameter and answer. Generated from the API contract. - [Batches](https://docs.megalania.io/reference/batches.md): Async batches of URLs. Generated from the API contract. - [Monitors](https://docs.megalania.io/reference/monitors.md): Watch pages on a schedule and get a signed webhook with the diff. Generated from the API contract. - [Billing](https://docs.megalania.io/reference/billing.md): Buy credits for your account. Sign in first. Generated from the API contract. - [Account](https://docs.megalania.io/reference/account.md): Your account, keys, people, usage, requests and purchases. Generated from the API contract. - [Referral](https://docs.megalania.io/reference/referral.md): Share a link, earn credits when the accounts you refer pay. Generated from the API contract. - [MCP tools](https://docs.megalania.io/reference/mcp-tools.md): Every tool the MCP server lists, with its inputs. Generated from the server's tool list. - [Error codes](https://docs.megalania.io/reference/errors.md): Every error code, its HTTP status, what it costs and what to change.