Can I filter the API search results?

Yes, you can refine your API searches using optional filters for network, maximum price (in USDC), and the limit on the number of results returned.

Do I need to register an account to use X402 Search?

No, account registration is not required. You only need a wallet private key and USDC on the Base mainnet (eip155:8453) to cover the search fees.

How does X402 Search integrate with AI agents?

It offers direct integration with MCP-compatible AI agents such as Claude Desktop, Cursor, and Windsurf, enabling seamless utilization of its powerful API search functionality.

X402 Search allows AI agents to dynamically discover and interact with over 13,000 x402-enabled HTTP APIs, expanding their capabilities and access to real-world data and services.

What is the cost model for using X402 Search?

X402 Search operates on a pay-per-search model, costing $0.01 USDC per search executed on the Base mainnet. There are no subscriptions or hidden fees.

X402 Search

Name: X402 Search
Author: x402-index

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Empower AI agents to discover and interact with over 13,000 x402-enabled HTTP APIs dynamically.

This MCP server tool provides AI agents with the capability to search and integrate with a vast ecosystem of over 13,000 x402-enabled HTTP APIs. Powered by x402search.xyz, it facilitates dynamic API discovery based on natural language queries, allowing agents to access various services from weather data to image generation. The service operates on a microtransaction model, costing $0.01 USDC per search on the Base mainnet, requiring only a wallet private key and no traditional account setup. It seamlessly integrates with popular AI agent platforms like Claude Desktop, Cursor, and Windsurf.

Key Features

01Pay-per-search model at $0.01 USDC on Base mainnet

02No account registration required, only a wallet private key for payments

030 GitHub stars

04Access to a network of 13,000+ x402-enabled HTTP APIs

05Search functionality with optional filters for network, max price, and result limit

06Direct integration with MCP-compatible AI agents (Claude Desktop, Cursor, Windsurf)

Use Cases

01Enabling AI agents to dynamically find and consume relevant APIs based on user prompts

02Facilitating automated API discovery and interaction for intelligent systems

03Integrating AI models with external services for real-time data or specialized functionality