S&P 500 index series with FRED primary and Yahoo fallback.
https://x402.aurelianflo.com/api/sp500Overview
S&P 500 index series with FRED primary and Yahoo fallback.
Protocol
x402
Price
$0.0080
Payment Asset
USD Coin
Payment Network
Base
Category
data/finance
Provider
x402
Source
bazaar
Indexed
2026-03-28 21:49:20
Health
Status
degraded
Latency (p50)
193ms
Uptime (30d)
100.0%
Reliability Score
100/100
Last Checked
2026-05-31 06:49:55
Last Healthy
2026-04-07 08:16:00
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Invalid
Asset Verified
—
Facilitator
—
Input Schema
{
"discoverable": true,
"method": "GET",
"queryParams": {
"limit": {
"description": "Max observations to return",
"type": "string"
}
},
"type": "http"
}
Output Schema
{
"data": {
"latest": {
"date": "2026-03-27",
"value": 5792.15
},
"seriesId": "SP500"
},
"source": "FRED API",
"success": true
}
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-05-31 06:49:55 | degraded | 404 | 183ms | |
| 2026-05-31 00:31:15 | degraded | 404 | 155ms | |
| 2026-05-30 20:58:05 | degraded | 404 | 167ms | |
| 2026-05-30 18:18:46 | degraded | 404 | 149ms | |
| 2026-05-30 15:39:08 | degraded | 404 | 196ms | |
| 2026-05-30 08:40:00 | degraded | 404 | 204ms | |
| 2026-05-30 04:18:29 | degraded | 404 | 283ms | |
| 2026-05-30 00:31:53 | degraded | 404 | 149ms | |
| 2026-05-29 23:41:05 | degraded | 404 | 194ms | |
| 2026-05-29 19:29:42 | degraded | 404 | 193ms | |
| 2026-05-29 13:50:36 | degraded | 404 | 169ms | |
| 2026-05-28 21:54:34 | degraded | 404 | 199ms | |
| 2026-05-28 09:58:21 | degraded | 404 | 244ms |