Model Context Protocol server with web search, social search & LLM chat paid via x402.
ScriptMasterLabs MCP API is a free Cryptocurrency API that requires apiKey authentication, is served over HTTPS and supports CORS, so it can be called from the browser.
Details from mcp-x402.onrender.com.

Unified API suite · now live
Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.
x402 pay-per-use APIs: Polymarket signals, CEX/DEX spreads, contract risk scores, gas oracle
The ScriptMasterLabs MCP API is provided by mcp-x402 (mcp-x402.onrender.com).
Yes. The ScriptMasterLabs MCP API is listed in the Cryptocurrency category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
Yes. The ScriptMasterLabs MCP API uses apiKey authentication, so you need to register for credentials before making requests.
Yes. The ScriptMasterLabs MCP API supports CORS, so front-end JavaScript can call it directly.
Yes. The ScriptMasterLabs MCP API is served over HTTPS, so it's safe to use in production.