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Julian Date
by Astronomical Julian Date in Productivity & SaaS
x402 APIPassing, checked 2 h ago
Compute the astronomical Julian Date (JD, fractional, epoch noon 1 Jan 4713 BC) and Modified Julian Date (MJD = JD − 2400000.5) of a UTC instant. Unlike `calendar`'s integer Julian Day Number, this carries the time-of-day fraction.
POST https://astro.openverbs.com/v1/julian-date
Last 30 days
All checks passedSome failedAll failedNot checked
- Uptime
- 100%
- Response time
- 555 ms typical, 594 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 POST "https://astro.openverbs.com/v1/julian-date" \
-H "content-type: application/json" \
-d '{"day":1,"hour":1,"minute":1,"month":1,"year":1}'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%2Fastro.openverbs.com%2Fv1%2Fjulian-date
const res = await pay("https://astro.openverbs.com/v1/julian-date", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({"day":1,"hour":1,"minute":1,"month":1,"year":1}),
});
console.log(await res.json());Example input
{
"day": 1,
"hour": 1,
"minute": 1,
"month": 1,
"year": 1
}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 | 555 ms | $0.004 |
| 6 h ago | Passed | 402 | 594 ms | $0.004 |
| 10 h ago | Passed | 402 | 555 ms | $0.004 |
| 13 h ago | Passed | 402 | 613 ms | $0.004 |
| 17 h ago | Passed | 402 | 524 ms | $0.004 |
| 21 h ago | Passed | 402 | 562 ms | $0.004 |
| 24 h ago | Passed | 402 | 556 ms | $0.004 |
| 29 h ago | Passed | 402 | 555 ms | $0.004 |