80trust / 100
Buy Adam De Mattos
by underground.substratesymposium.com in Weather & location
x402 APIPassing, checked 2 h ago
The Remarkable Adventures of Adam de Mattos — Historical fiction with time travel for understanding perspective shifts and temporal complexity.
GET https://underground.substratesymposium.com/buy/adam_de_mattos
Last 30 days
All checks passedSome failedAll failedNot checked
- Uptime
- 100%
- Response time
- 110 ms typical, 116 ms slowest 5%
- Last check
- 2 h ago
- Next check
- any minute now
How to call it
# See the payment challenge (nothing is charged)
curl -i -X GET "https://underground.substratesymposium.com/buy/adam_de_mattos"import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";
const client = new x402Client().register(
"eip155:8453",
new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);
// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Funderground.substratesymposium.com%2Fbuy%2Fadam_de_mattos
const res = await pay("https://underground.substratesymposium.com/buy/adam_de_mattos");
console.log(await res.json());Example input
{}Example output
{
"content": "Historical fiction with time travel for understanding perspective shifts and temporal complexity.",
"delivered_at": "2026-04-24T10:00:00Z",
"product": "adam_de_mattos",
"title": "The Remarkable Adventures of Adam de Mattos"
}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 | 116 ms | $0.01 |
| 6 h ago | Passed | 402 | 111 ms | $0.01 |
| 9 h ago | Passed | 402 | 109 ms | $0.01 |
| 14 h ago | Passed | 402 | 110 ms | $0.01 |
| 17 h ago | Passed | 402 | 120 ms | $0.01 |
| 21 h ago | Passed | 402 | 110 ms | $0.01 |
| 25 h ago | Passed | 402 | 108 ms | $0.01 |
| 27 h ago | Passed | 402 | 109 ms | $0.01 |
| 33 h ago | Passed | 402 | 108 ms | $0.01 |