Crypto payment gateway. As simple as a wire transfer.

// Node 18+ — native fetch, no library
const api = await fetch("https://api.abyxo.app/v1/checkout/sessions", {
  method: "POST",
  headers: {
    Authorization: "Bearer sk_live_…",
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    amount: 4990,            // 49,90 €
    currency: "EUR",
    accept: ["BTC", "ETH", "USDC", "SUI"],
    success_url: "https://shop.io/ok",
  }),
});

const session = await api.json();
res.redirect(session.url);

# plain HTTP — requests, no vendor lib
import requests

session = requests.post(
    "https://api.abyxo.app/v1/checkout/sessions",
    headers={"Authorization": "Bearer sk_live_…"},
    json={
        "amount": 4990,            # 49,90 €
        "currency": "EUR",
        "accept": ["BTC", "ETH", "USDC", "SUI"],
        "success_url": "https://shop.io/ok",
    },
).json()

return redirect(session["url"])

// stdlib only — net/http + encoding/json
body, _ := json.Marshal(map[string]any{
    "amount":      4990,
    "currency":    "EUR",
    "accept":      []string{"BTC", "ETH", "USDC", "SUI"},
    "success_url": "https://shop.io/ok",
})

req, _ := http.NewRequest("POST",
    "https://api.abyxo.app/v1/checkout/sessions",
    bytes.NewReader(body))
req.Header.Set("Authorization", "Bearer sk_live_…")

resp, _ := http.DefaultClient.Do(req)
var s map[string]any
json.NewDecoder(resp.Body).Decode(&s)

http.Redirect(w, r, s["url"].(string), 303)

# one POST — that's the whole integration
curl https://api.abyxo.app/v1/checkout/sessions \
  -H "Authorization: Bearer sk_live_…" \
  -d "amount=4990" \
  -d "currency=EUR" \
  -d "accept[]=BTC" \
  -d "accept[]=ETH" \
  -d "accept[]=USDC" \
  -d "accept[]=SUI" \
  -d "success_url=https://shop.io/ok"