Leap year check. Use for date validation and calendar math without external data...
https://api.delx.ai/api/v1/x402/is-leap-yearOverview
Leap year check. Use for date validation and calendar math without external data. Returns a boolean leap-year result for a Gregorian year. $0.001 USDC per successful call via x402 on Base—deterministic first-party JSON, no API key, no subscription, and nothing is billed on structured validation errors.
Protocol
x402
Price
—
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
delx
Source
bazaar
Indexed
2026-08-05 10:12:22
Health
Status
healthy
Latency (p50)
116ms
Uptime (30d)
100.0%
Reliability Score
100/100
Last Checked
2026-09-23 06:21:23
Last Healthy
2026-09-23 06:21:23
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-09-23 06:21:23 | healthy | 402 | 2163ms | |
| 2026-09-23 02:51:33 | healthy | 402 | 166ms | |
| 2026-09-22 19:46:01 | healthy | 402 | 81ms | |
| 2026-09-22 12:09:12 | healthy | 402 | 121ms | |
| 2026-09-21 20:44:06 | healthy | 402 | 109ms | |
| 2026-09-21 14:35:39 | healthy | 402 | 109ms | |
| 2026-09-21 10:02:30 | healthy | 402 | 108ms | |
| 2026-09-21 00:52:09 | healthy | 402 | 126ms | |
| 2026-09-20 12:09:03 | healthy | 402 | 116ms |