pip install "4mica-x402[flask]" "4mica-x402[requests]"

PRIVATE_KEY=0xYourPrivateKey
PAY_TO=0xYourSellerAddress

from flask import Flask, jsonify
from fourmica_x402.http import flask_payment_middleware_from_config

app = Flask(__name__)

routes = {
    "GET /premium-content": {
        "accepts": {
            "scheme": "4mica-credit",
            "price": "$0.10",
            "network": "eip155:11155111",
            "payTo": "0xYourAddress",
        },
        "description": "Access to premium Flask content",
    },
}

flask_payment_middleware_from_config(
    app,
    routes,
)

@app.route("/premium-content")
def premium_content():
    return jsonify({"message": "This is premium content behind a paywall"})

if __name__ == "__main__":
    app.run(port=5000)

from x402 import x402ClientSync
from x402.http.clients import x402_requests
from fourmica_x402.client_scheme import FourMicaEvmScheme

client = x402ClientSync()
client.register("eip155:11155111", FourMicaEvmScheme("0xYourPrivateKey"))

session = x402_requests(client)
response = session.get("http://localhost:5000/premium-content")
print(response.status_code, response.json())