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)
443ms
Uptime (30d)
100.0%
Reliability Score
95/100
Last Checked
2026-06-25 07:57:59
Last Healthy
2026-06-25 07:57:59
Consecutive Failures
0
Macaroon Format
Format
JSON
lnget Compatible
No — JSON token (not a macaroon)
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-06-25 07:57:59 | healthy | 402 | 482ms | |
| 2026-06-25 04:23:31 | healthy | 402 | 432ms | |
| 2026-06-24 07:16:45 | healthy | 402 | 432ms | |
| 2026-06-24 04:56:05 | healthy | 402 | 443ms | |
| 2026-06-22 12:29:12 | healthy | 402 | 431ms |