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)
461ms
Uptime (30d)
100.0%
Reliability Score
95/100
Last Checked
2026-07-28 10:36:06
Last Healthy
2026-07-28 10:36:06
Consecutive Failures
0
Macaroon Format
Format
JSON
lnget Compatible
No — JSON token (not a macaroon)
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-07-28 10:36:06 | healthy | 402 | 804ms | |
| 2026-07-28 07:36:35 | healthy | 402 | 451ms | |
| 2026-07-28 05:00:13 | healthy | 402 | 453ms | |
| 2026-07-27 21:19:56 | healthy | 402 | 706ms | |
| 2026-07-27 18:54:41 | healthy | 402 | 426ms | |
| 2026-07-27 13:56:48 | healthy | 402 | 461ms | |
| 2026-07-27 08:50:00 | healthy | 402 | 420ms | |
| 2026-07-27 03:37:06 | healthy | 402 | 430ms | |
| 2026-07-27 02:46:35 | healthy | 402 | 420ms | |
| 2026-07-26 21:37:24 | healthy | 402 | 464ms | |
| 2026-07-26 16:41:29 | healthy | 402 | 465ms | |
| 2026-07-26 12:18:33 | healthy | 402 | 429ms | |
| 2026-07-26 08:05:25 | healthy | 402 | 427ms | |
| 2026-07-26 04:22:58 | healthy | 402 | 462ms | |
| 2026-07-26 00:06:28 | healthy | 402 | 433ms | |
| 2026-07-25 20:58:07 | healthy | 402 | 823ms | |
| 2026-07-25 17:32:16 | healthy | 402 | 465ms | |
| 2026-07-25 13:16:33 | healthy | 402 | 504ms |