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)
450ms
Uptime (30d)
94.7%
Reliability Score
92.4/100
Last Checked
2026-06-09 22:55:38
Last Healthy
2026-06-09 22:55:38
Consecutive Failures
0
Macaroon Format
Format
JSON
lnget Compatible
No — JSON token (not a macaroon)
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-06-09 22:55:38 | healthy | 402 | 432ms | |
| 2026-06-09 18:09:40 | healthy | 402 | 437ms | |
| 2026-06-09 12:44:57 | healthy | 402 | 432ms | |
| 2026-06-09 07:42:13 | healthy | 402 | 453ms | |
| 2026-06-09 00:33:39 | timeout | — | — | timeout |
| 2026-06-08 21:02:23 | healthy | 402 | 421ms | |
| 2026-06-08 18:27:44 | healthy | 402 | 440ms | |
| 2026-06-08 14:36:33 | healthy | 402 | 437ms | |
| 2026-06-08 11:41:38 | healthy | 402 | 448ms | |
| 2026-06-08 05:13:37 | healthy | 402 | 934ms | |
| 2026-06-08 03:04:16 | healthy | 402 | 451ms | |
| 2026-06-07 23:59:07 | healthy | 402 | 453ms | |
| 2026-06-07 20:33:15 | healthy | 402 | 436ms | |
| 2026-06-07 17:40:42 | healthy | 402 | 2603ms | |
| 2026-06-07 12:22:47 | healthy | 402 | 1372ms | |
| 2026-06-07 10:34:34 | healthy | 402 | 450ms | |
| 2026-06-07 06:56:19 | healthy | 402 | 2536ms | |
| 2026-06-07 05:28:26 | healthy | 402 | 433ms | |
| 2026-06-07 00:46:01 | degraded | 402 | 3648ms |