Topup
by iomarkets.app in Markets & finance
Travel eSIMs and mobile top-ups paid in USDC via x402. A technology demonstration, limited pilot.
https://iomarkets.app/mcp
Last 30 days
- Uptime
- 100%
- Response time
- 102 ms typical, 150 ms slowest 5%
- Last check
- 2 h ago
- Next check
- in 4 h
How to call it
Add it to any MCP client that supports remote servers.
{
"mcpServers": {
"topup": {
"type": "http",
"url": "https://iomarkets.app/mcp"
}
}
}9 tools
- lookup_phone
Identify the country and mobile operator of a phone number and list the top-up offers available for it. Free. The operator is DETECTED from the number range and is a guess: MVNOs (Tesco Mobile, Giff Gaff, Lebara, Voxi, Sky…) resolve to the host network they ride on. Read the dete
- list_offers
Browse purchasable offers: mobile top-ups, travel eSIMs, prepaid bills, or international payment corridors (bank / mobile money / UPI) for a country. Free. Prices shown are indicative; the quote fixes them.
- quote
Lock a price (10 minutes) for one purchase. Returns quoteId, exact USDC price and what will be delivered. Free. ALWAYS show the human the price and the recipient before buying.
- create_pay_link
Create a checkout link a HUMAN pays from their own Algorand wallet (Pera). Use this when you have no wallet, or when the person should approve and pay themselves: they open the link, see the exact price, sign in their wallet, and the result (the eSIM QR code, or the top-up confir
- buy
Get the x402 payment challenge for a quote. This hosted server holds no wallet, so it does NOT spend your money: it returns the exact amount, asset, payTo address and facilitator for you to pay from your own Algorand wallet, then you POST the quote again with your payment signatu
- order_status
Check an order. Poll every ~3 s until `terminal` is true: delivered (confirmation + signed receipt), refunded (refund txid + signed receipt) or refund_failed.
- verify_receipt
Verify an ed25519-signed receipt: the signature, and — unless you pass onChain:false — both txids against an Algorand indexer. Give it an orderId to check one of this service's own orders, or a receipt object to check ANY receipt in this format, including one issued by another se
- fx
Indicative USDC → local-currency rate at our sale price, with an estimate for an amount. The quote is the binding price.
- ledger
Public delivery ledger: totals, delivered-or-refunded %, volume, countries, recent orders.
Security scan
- No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.
Recent checks
| When | Result | HTTP | Time |
|---|---|---|---|
| 2 h ago | Passed | 200 | 23 ms |
| 11 h ago | Passed | 200 | 150 ms |
| 19 h ago | Passed | 200 | 102 ms |
| 27 h ago | Passed | 200 | 181 ms |