Overview
US Census population, median household income, and median age. Query by ZIP (?zip=20002), state FIPS (?state=06), or omit for all states. ACS 5-year estimates.
Protocol
x402
Price
$0.0080
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
x402
Indexed
2026-03-25 06:49:33
Health
Status
healthy
Latency (p50)
173ms
Uptime (30d)
100.0%
Reliability Score
92/100
Last Checked
2026-03-25 14:20:19
Last Healthy
2026-03-25 14:20:19
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"discoverable": true,
"method": "GET",
"queryParams": {
"state": {
"description": "Two-digit US state FIPS code",
"type": "string"
},
"zip": {
"description": "ZIP Code Tabulation Area",
"type": "string"
}
},
"type": "http"
}
Output Schema
{
"data": {
"count": 1,
"locations": [
{
"medianAge": 37.3,
"medianHouseholdIncome": 91905,
"name": "California",
"population": 39356104
}
],
"survey": "ACS 5-Year Estimates (2022)"
},
"source": "US Census Bureau API",
"success": true
}
Recent Health Checks
| Time |
Status |
HTTP |
Latency |
Error |
| 2026-03-25 14:20:19 |
healthy |
402 |
159ms |
|
| 2026-03-25 13:05:28 |
healthy |
402 |
161ms |
|
| 2026-03-25 12:23:28 |
healthy |
402 |
179ms |
|
| 2026-03-25 11:09:07 |
healthy |
402 |
269ms |
|
| 2026-03-25 10:14:55 |
healthy |
402 |
173ms |
|
| 2026-03-25 09:16:10 |
healthy |
402 |
178ms |
|
| 2026-03-25 08:15:06 |
healthy |
402 |
164ms |
|