x101.fun is a lightweight, developer-focused API provider offering a small set of endpoints on the 'base' network for testing and prototyping. With extremely low per-request pricing ($0.0010–$0.0100), it is ideal for CI/QA tasks, automation, and any workflow where cost and simplicity matter. Available sample endpoints (/test5 — "test" and /test4 — no description) make it easy to validate request/response flows and integrate quick sanity checks into developer tools.