U.S. Grid — ISO Price History — Western EIM (WEIM)
https://grid.ptsolutions.io/v1/history/weimOverview
Historical LMP price data for Western EIM (WEIM) with per-interval average, min, and max over rolling windows up to 7 days. 5-minute resolution, 30-day retention. Pass ?hours=N to control window. L402 Lightning payment, 100 sats per request.
Protocol
L402
Price
100 sats
Payment Asset
BTC
Payment Network
Lightning
Category
real-time-data
Provider
Prime Technology
Source
self-registered
Indexed
2026-04-19 15:50:21
Health
Status
healthy
Latency (p50)
318ms
Uptime (30d)
100.0%
Reliability Score
87/100
Last Checked
2026-04-20 03:03:20
Last Healthy
2026-04-20 03:03:20
Consecutive Failures
0
Macaroon Format
Format
JSON
lnget Compatible
No — JSON token (not a macaroon)
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-04-20 03:03:20 | healthy | 402 | 316ms | |
| 2026-04-20 02:16:14 | healthy | 402 | 304ms | |
| 2026-04-20 01:44:51 | healthy | 402 | 330ms | |
| 2026-04-20 00:13:09 | healthy | 402 | 319ms | |
| 2026-04-19 23:40:11 | healthy | 402 | 318ms | |
| 2026-04-19 22:15:47 | healthy | 402 | 308ms | |
| 2026-04-19 21:34:36 | healthy | 402 | 321ms | |
| 2026-04-19 20:15:08 | healthy | 402 | 318ms | |
| 2026-04-19 19:04:06 | healthy | 402 | 317ms | |
| 2026-04-19 18:10:42 | healthy | 402 | 327ms | |
| 2026-04-19 17:07:24 | healthy | 402 | 323ms | |
| 2026-04-19 16:02:16 | healthy | 402 | 315ms |