download ngrok-v3-stable-windows-amd64 from ngrok website and run ngrok http 5000
copy forwarding url to postman POST, make sure add /webhook ex: https://b9aa-154-47-24-95.ngrok-free.app/webhook
you can check serverside messages on ngrok web interface here http://127.0.0.1:4040/inspect/http
payload for sell / buy
{
"token_address": "4G86CMxGsMdLETrYnavMFKPhQzKTvDBYGMRAdVtr72nu",
"slippageBps": 50,
"tradeMode": "sell",
"amount": 100
}
amount in sol for buy and % for sell