# Foldset

> Monetize your content, APIs, and tools with x402 micropayments

## Docs

- [Express](https://docs.foldset.com/frameworks/express.md): Add Foldset payment gating to your Express application
- [FastAPI](https://docs.foldset.com/frameworks/fastapi.md): Add Foldset payment gating to your FastAPI application
- [Flask](https://docs.foldset.com/frameworks/flask.md): Add Foldset payment gating to your Flask application
- [Hono](https://docs.foldset.com/frameworks/hono.md): Add Foldset payment gating to your Hono application
- [Next.js](https://docs.foldset.com/frameworks/nextjs.md): Add Foldset payment gating to your Next.js application
- [Other Languages](https://docs.foldset.com/frameworks/other.md): SDKs for Go, Rust, and more
- [Introduction](https://docs.foldset.com/introduction.md): Monetize your APIs and MCP tools with x402 micropayments

## OpenAPI Specs

- [openapi](https://docs.foldset.com/api-reference/openapi.json)