U.S. Grid — ISO Price History — Central U.S. (SPP)
https://grid.ptsolutions.io/v1/history/sppOverview
Historical LMP price data for Central U.S. (SPP) 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 15:50:13
Health
Status
healthy
Latency (p50)
320ms
Uptime (30d)
100.0%
Reliability Score
87/100
Last Checked
2026-04-20 02:13:36
Last Healthy
2026-04-20 02:13:36
Consecutive Failures
0
Macaroon Format
Format
JSON
lnget Compatible
No — JSON token (not a macaroon)
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-04-20 02:13:36 | healthy | 402 | 316ms | |
| 2026-04-20 01:40:24 | healthy | 402 | 315ms | |
| 2026-04-20 00:29:08 | healthy | 402 | 347ms | |
| 2026-04-19 23:29:21 | healthy | 402 | 322ms | |
| 2026-04-19 21:58:29 | healthy | 402 | 368ms | |
| 2026-04-19 21:20:25 | healthy | 402 | 346ms | |
| 2026-04-19 20:09:24 | healthy | 402 | 350ms | |
| 2026-04-19 19:21:16 | healthy | 402 | 304ms | |
| 2026-04-19 18:20:13 | healthy | 402 | 320ms | |
| 2026-04-19 17:40:33 | healthy | 402 | 312ms | |
| 2026-04-19 16:11:56 | healthy | 402 | 312ms |