Blog
What our live checks of paid APIs and MCP servers show, and practical guides for the people who build, sell and buy them.
x402 endpoint not showing in the Bazaar? 7 causes and fixes
x402 catalogs fill themselves from settled payments, not a form. Seven reasons an endpoint never shows up in the Bazaar, and how to check each one.
x402 facilitators compared: Coinbase CDP vs PayAI vs Dexter
What Coinbase CDP, PayAI, Dexter and self-hosting charge per x402 settlement, which catalog each lists you in, and which to pick for sub-cent APIs.