Agent Extraction API: link-check
https://freetier-agent-api.pages.dev/api/link-checkOverview
Check up to 20 URLs in one call: HTTP status, final URL after redirects, redirect count, latency, content-type, ok flag. $0.001 per call in USDC on Base (x402). 1 free call per caller; failed calls are never charged.
Protocol
x402
Price
$0.0025
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
tools
Provider
FreeTier Kits
Source
self-registered
Indexed
2026-10-17 20:30:50
Health
Status
healthy
Latency (p50)
524ms
Uptime (30d)
97.0%
Reliability Score
88.5/100
Last Checked
2026-10-31 07:02:23
Last Healthy
2026-10-31 07:02:23
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"urls": "https://example.com,https://example.org/missing"
},
"type": "http"
}
Output Schema
{
"example": {
"broken": 1,
"checked": 2,
"results": [
{
"content_type": "text/html; charset=utf-8",
"final_url": "https://example.com/",
"ms": 177,
"ok": true,
"redirected": false,
"status": 200,
"url": "https://example.com"
},
{
"content_type": "text/html; charset=utf-8",
"final_url": "https://example.org/missing",
"ms": 177,
"ok": false,
"redirected": false,
"status": 404,
"url": "https://example.org/missing"
}
],
"sources": [
{
"name": "Live HTTP requests by FreeTierAgentAPI at 2026-10-24T18:11:05.040Z"
}
]
},
"type": "json"
}