U.S. Grid — ISO Real-Time Price Feed — Central U.S. (SPP)
https://grid.ptsolutions.io/v1/prices/sppOverview
Real-time Locational Marginal Prices (LMP) for all nodes in Central U.S. (SPP). Full LMP breakdown per location: energy, congestion, and loss components. 900+ 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 15:48:01
Health
Status
healthy
Latency (p50)
326ms
Uptime (30d)
100.0%
Reliability Score
90/100
Last Checked
2026-04-21 23:12:00
Last Healthy
2026-04-21 23:12:00
Consecutive Failures
0
Macaroon Format
Format
JSON
lnget Compatible
No — JSON token (not a macaroon)
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-04-21 23:12:00 | healthy | 402 | 397ms | |
| 2026-04-21 22:45:41 | healthy | 402 | 317ms | |
| 2026-04-21 21:44:02 | healthy | 402 | 329ms | |
| 2026-04-21 20:44:37 | healthy | 402 | 321ms | |
| 2026-04-21 19:28:54 | healthy | 402 | 333ms | |
| 2026-04-21 18:50:50 | healthy | 402 | 302ms | |
| 2026-04-21 18:11:19 | healthy | 402 | 336ms | |
| 2026-04-21 17:09:49 | healthy | 402 | 316ms | |
| 2026-04-21 16:32:27 | healthy | 402 | 316ms | |
| 2026-04-21 15:39:32 | healthy | 402 | 345ms | |
| 2026-04-21 14:43:11 | healthy | 402 | 312ms | |
| 2026-04-21 13:49:12 | healthy | 402 | 317ms | |
| 2026-04-21 12:55:17 | healthy | 402 | 324ms | |
| 2026-04-21 11:48:57 | healthy | 402 | 302ms | |
| 2026-04-21 11:03:49 | healthy | 402 | 310ms | |
| 2026-04-21 10:08:53 | healthy | 402 | 330ms | |
| 2026-04-21 08:55:01 | healthy | 402 | 326ms | |
| 2026-04-21 08:11:12 | healthy | 402 | 355ms | |
| 2026-04-21 06:55:07 | healthy | 402 | 337ms | |
| 2026-04-21 05:50:27 | healthy | 402 | 332ms |