Build agents that issue payment cards

# Create an anonymous account. Returns seed + Bearer token (ONE TIME).
curl -X POST https://cryptotopcard.com/api/v1/auth/signup \
  -H "Content-Type: application/json" \
  -d '{"name":"my-agent"}'

import requests
r = requests.post(
    "https://cryptotopcard.com/api/v1/auth/signup",
    json={"name": "my-agent"},
).json()
TOKEN = r["data"]["token"]
SEED  = r["data"]["seed"]    # persist both!
auth  = {"Authorization": f"Bearer {TOKEN}"}

const r = await fetch("https://cryptotopcard.com/api/v1/auth/signup", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({ name: "my-agent" }),
}).then(r => r.json());
const TOKEN = r.data.token;       // persist!
const SEED  = r.data.seed;
const auth  = { "Authorization": `Bearer ${TOKEN}` };

# Create a top-up: request $100 net in USDT (TRC-20).
# Returns the deposit address + exact crypto amount (gross, includes 2% fee).
curl -X POST https://cryptotopcard.com/api/v1/topups \
  -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"coin":"USDTTRC","amount":100}'
# {... "deposit_address":"T...", "crypto_amount":"102.92", "net_credit_usd":100}

t = requests.post(
    "https://cryptotopcard.com/api/v1/topups",
    json={"coin": "USDTTRC", "amount": 100},
    headers=auth,
).json()["data"]
# Send t["crypto_amount"] USDT-TRC20 to t["deposit_address"].
# When confirmed (poll GET /topups/<id>), $100 lands on the balance.

const t = (await fetch("https://cryptotopcard.com/api/v1/topups", {
  method: "POST",
  headers: { ...auth, "Content-Type": "application/json" },
  body: JSON.stringify({ coin: "USDTTRC", amount: 100 }),
}).then(r => r.json())).data;
// Send t.crypto_amount USDT-TRC20 to t.deposit_address.

# Once the balance shows the credited amount, issue a card.
curl -X POST https://cryptotopcard.com/api/v1/cards \
  -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"bin_id":"471938","amount":150,"label":"meta-acct-7"}'
# {... "card_number":"4719 ...", "card_exp":"02/29", "card_cvv":"136"}

c = requests.post(
    "https://cryptotopcard.com/api/v1/cards",
    json={"bin_id": "471938", "amount": 150, "label": "meta-acct-7"},
    headers=auth,
).json()["data"]
print(c["card_number"], c["card_exp"], c["card_cvv"])

const c = (await fetch("https://cryptotopcard.com/api/v1/cards", {
  method: "POST",
  headers: { ...auth, "Content-Type": "application/json" },
  body: JSON.stringify({ bin_id: "471938", amount: 150, label: "meta-acct-7" }),
}).then(r => r.json())).data;
console.log(c.card_number, c.card_exp, c.card_cvv);

# When the card has served its purpose, delete it. Remaining balance refunds instantly.
curl -X DELETE https://cryptotopcard.com/api/v1/cards/$CARD_ID \
  -H "Authorization: Bearer $TOKEN"

requests.delete(
    f"https://cryptotopcard.com/api/v1/cards/{c['card_id']}",
    headers=auth,
).json()  # {"ok":true,"data":{"deleted":true,"refunded_usd":150.0}}

await fetch(`https://cryptotopcard.com/api/v1/cards/${c.card_id}`, {
  method: "DELETE", headers: auth,
}).then(r => r.json());