the402 endpoint detail

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lunar-api-production-cba9.up.railway.app lunar convert

https://lunar-api-production-cba9.up.railway.app/v1/lunar/convert

payable

Convert between solar (Gregorian) and Vietnamese/Chinese lunar dates, both directions, 1900-2100, with leap month support. Returns Can Chi of the day. Essential for birthday lookup, ancestor worship dates (ngay gio) and traditional holidays.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.005
Network
base
Pay to
0xf0BeEe7f4DB720D96241cDc1E2503525423019D5
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
342 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:13:10.205Z (4d ago)
Category
search

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Flunar-api-production-cba9.up.railway.app%2Fv1%2Flunar%2Fconvert"