Esim Purchase
by x402card Freeland Travel eSIM in Weather & location
Buy a prepaid Freeland travel eSIM and privately receive its installation QR and activation data. Pay native USDC on Base through x402; no API key or provider account is required.
https://api.x402card.org/api/esim/purchase- Price
- $0.47
- per call in USDC
- Uptime
- 100%
- last 30 days
- Response time
- 468 ms
- 760 ms slowest 5%
- Last check
- Passed
- 2 h ago, next any minute now
Reliability
How to call it
POST https://api.x402card.org/api/esim/purchase
Each call costs $0.47 in USDC on Base, paid with the request over x402.
Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.
Example request
From the listing.
POST https://api.x402card.org/api/esim/purchase
content-type: application/json
{
"idempotencyKey": "agent-esim-purchase-001",
"planId": "96c4f20d5c328ce41d166c3bb9114c74"
}Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
idempotencyKey | string | Yes | Stable caller-generated key. Reuse it after an ambiguous response; never generate a replacement to retry payment. |
planId | string | No | Live plan id from GET /api/esim/plans. Omit to buy the cheapest currently available plan. |
Example response
The provider's example. We can't check it without paying.
{
"credentials": {
"esimPassportUrl": "<owner-only-passport-link-or-null>",
"iccid": "<owner-only-iccid>",
"iosTapLink": "<owner-only-ios-install-link-or-null>",
"qrCode": "<owner-only-installation-qr>"
},
"delivery": {
"header": "X-Esim-Delivery-Token",
"next": "Preserve the token privately. Use the continuation URLs only when credentials are not returned inline.",
"token": "<private-order-delivery-token>"
},
"ok": true,
"product": "esim",
"seller": "Freeland",
"status": "fulfilled"
}Call it from code
The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.47.
curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.x402card.org/api/esim/purchase' \
-H 'content-type: application/json' \
--data-raw '{"idempotencyKey":"agent-esim-purchase-001","planId":"96c4f20d5c328ce41d166c3bb9114c74"}'
# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://api.x402card.org/api/esim/purchase' \
-H 'content-type: application/json' \
--data-raw '{"idempotencyKey":"agent-esim-purchase-001","planId":"96c4f20d5c328ce41d166c3bb9114c74"}' \
| grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decodeJavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";
// Pays at most $0.47 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.47" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);
// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.47 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.x402card.org%2Fapi%2Fesim%2Fpurchase&method=POST
const res = await pay("https://api.x402card.org/api/esim/purchase", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({
"idempotencyKey": "agent-esim-purchase-001",
"planId": "96c4f20d5c328ce41d166c3bb9114c74"
}),
});
console.log(res.status, await res.text());Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client
# Pays at most $0.47 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.47"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))
with x402_requests(client) as session:
res = session.post(
"https://api.x402card.org/api/esim/purchase",
json={
"idempotencyKey": "agent-esim-purchase-001",
"planId": "96c4f20d5c328ce41d166c3bb9114c74",
},
)
print(res.status_code, res.text)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 | Price |
|---|---|---|---|---|
| 2 h ago | Passed | 402 | 810 ms | $0.47 |
| 6 h ago | Passed | 402 | 558 ms | $0.47 |
| 10 h ago | Passed | 402 | 795 ms | $0.47 |
| 14 h ago | Passed | 402 | 720 ms | $0.47 |
| 18 h ago | Passed | 402 | 496 ms | $0.47 |
Show 10 older checks
| 22 h ago | Passed | 402 | 568 ms | $0.47 |
| 26 h ago | Passed | 402 | 420 ms | $0.47 |
| 30 h ago | Passed | 402 | 285 ms | $0.47 |
| 34 h ago | Passed | 402 | 501 ms | $0.47 |
| 37 h ago | Passed | 402 | 437 ms | $0.47 |
| 41 h ago | Passed | 402 | 340 ms | $0.47 |
| 44 h ago | Passed | 402 | 325 ms | $0.47 |
| 2 days ago | Passed | 402 | 313 ms | $0.47 |
| 2 days ago | Passed | 402 | 347 ms | $0.47 |
| 2 days ago | Passed | 402 | 760 ms | $0.47 |