Lemon is an async and lightweight API framework for python . Inspired by Koa and Sanic . Documentation https://pylemon.com Installation pip install -U pylemon Hello Lemon from lemon.app import Lemon from lemon.context import Context async def middleware(ctx: Context, nxt): ctx.body = { 'msg': 'hello lemon' } await nxt() async def handler(ctx: Context): ctx.body['ack'] = 'yeah !' app = Lemon() app.use(middleware, handler) app.listen(port=9999) Hello Lemon Router from random import random from lemon.app import Lemon from lemon.context import Context from lemon.router import Router async def middleware(ctx: Context, nxt): ctx.body = { 'msg': 'hello lemon' } await nxt() async def handler1(ctx: Context): ctx.body['ack'] = 'yeah !' ctx.body['random'] = random() async def handler2(ctx: Context): ctx.body = ctx.req.json app = Lemon(debug=True) router = Router() router.get('/handler1', middleware, handler1) router.post('/handler2', middleware, handler2) app.use(router.routes()) app.listen()