tldx vs Anything API
Side-by-side comparison of features, pros & cons, pricing, and community votes (2026).
🏆 Anything API leads with 672 upvotes

Fast CLI to bulk-check domains via RDAP & MCP
tldx is a high-performance CLI tool designed for domain enthusiasts, developers, and cybersecurity professionals who need to quickly check domain availability in bulk. Built in Go, tldx leverages RDAP and MCP protocols to provide fast, reliable domain data without the typical rate limits or outdated whois parsing issues. Its concurrent processing ensures rapid results, making it ideal for large-scale domain research or bulk generation tasks. Users can mix keywords, prefixes, suffixes, or regex patterns to generate domain lists, then stream the availability data directly to stdout, JSON, or CSV formats. Additionally, tldx includes an MCP server that enables AI agents like Claude to brainstorm and verify domains automatically, streamlining complex workflows. Its open-source nature and easy installation via Homebrew make it accessible for developers who want a customizable, powerful tool for domain management and research.
Pros
- Blazing-fast bulk domain checking with concurrency
- Supports RDAP protocol for reliable data retrieval
- Open source and easy to install via Homebrew
- Includes an MCP server for AI integration and automation
- Outputs results in multiple formats (stdout, JSON, CSV)
Cons
- Requires familiarity with CLI and command-line workflows
- Limited information on ongoing support or community activity
- No built-in GUI or visual interface for non-technical users
Best for
- • Bulk domain availability checks for domain investors
- • Generating and verifying large domain lists for SEO or branding
- • Automating domain research workflows with AI agents
- • Developing custom domain monitoring tools
Pricing: Free and open source, with no apparent paid plans or licensing fees. Ideal for developers and organizations seeking a cost-effective solution.

Any website. We deliver the API.
Anything API is an innovative platform that bridges the gap for websites lacking public APIs. It empowers users to convert their browser-based interactions into robust, production-ready APIs without extensive coding. By simply describing the task, users can have custom functions built that directly call the target website, enabling seamless integration and automation. These custom API endpoints can be deployed serverless, scheduled via Cron, or accessed through standard API calls, making it highly versatile for developers, automation enthusiasts, and businesses seeking to extend functionality of web services. Its unique approach of translating manual browser work into programmable endpoints distinguishes it from traditional API providers, offering a flexible solution for accessing data or automating tasks on virtually any website.
Pros
- Transforms any website into a custom API without coding
- Flexible deployment options including serverless and scheduled tasks
- User-friendly task description process simplifies API creation
- Supports automation and integration with existing systems
- Highly versatile for various web scraping and data extraction needs
Cons
- Limited details on pricing structure and plans
- Potential challenges with highly dynamic or complex websites
- Reliance on agent-generated functions may require occasional updates
Best for
- • Extracting data from websites lacking public APIs
- • Automating repetitive browser tasks through API calls
- • Building integrations for custom web workflows
- • Monitoring website changes or content updates
Pricing: Likely operates on a pay-as-you-go or subscription-based model, with possible tiered plans depending on usage volume and features. Specific pricing details are not publicly disclosed, suggesting a custom or variable pricing approach.