U.S. Grid — ISO Real-Time Price Feed — Western EIM (WEIM)
https://grid.ptsolutions.io/v1/prices/weimOverview
Real-time Locational Marginal Prices (LMP) for all nodes in Western EIM (WEIM). Full LMP breakdown per location: energy, congestion, and loss components. 209+ nodes updated every 5 minutes. L402 Lightning payment, 10 sats per request.
Protocol
L402
Price
10 sats
Payment Asset
BTC
Payment Network
Lightning
Category
real-time-data
Provider
Prime Technology
Source
self-registered
Indexed
2026-04-19 15:48:09
Health
Status
healthy
Latency (p50)
433ms
Uptime (30d)
100.0%
Reliability Score
95/100
Last Checked
2026-07-28 19:33:18
Last Healthy
2026-07-28 19:33:18
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 19:33:18 | healthy | 402 | 425ms | |
| 2026-07-28 16:36:31 | healthy | 402 | 450ms | |
| 2026-07-28 10:54:33 | healthy | 402 | 431ms | |
| 2026-07-28 09:00:57 | healthy | 402 | 436ms | |
| 2026-07-28 02:29:06 | healthy | 402 | 457ms | |
| 2026-07-27 22:27:58 | healthy | 402 | 457ms | |
| 2026-07-27 19:12:50 | healthy | 402 | 432ms | |
| 2026-07-27 13:24:07 | healthy | 402 | 448ms | |
| 2026-07-27 07:20:22 | healthy | 402 | 974ms | |
| 2026-07-27 03:36:31 | healthy | 402 | 477ms | |
| 2026-07-27 01:06:21 | healthy | 402 | 446ms | |
| 2026-07-26 22:35:22 | healthy | 402 | 430ms | |
| 2026-07-26 16:18:44 | healthy | 402 | 428ms | |
| 2026-07-26 11:08:59 | healthy | 402 | 432ms | |
| 2026-07-26 06:37:22 | healthy | 402 | 421ms | |
| 2026-07-26 04:52:19 | healthy | 402 | 428ms | |
| 2026-07-26 00:27:09 | healthy | 402 | 418ms | |
| 2026-07-25 20:59:23 | healthy | 402 | 433ms |