Monitor public web pages for changes. One call checks many URLs; returns changed...
https://api.firstmention.uk/s/chgwatch/diffmultiOverview
Monitor public web pages for changes. One call checks many URLs; returns changed=true/false plus added/removed lines, so alert agents pay per poll instead of per page.
Protocol
x402
Price
$0.01
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
chgwatch
Source
bazaar
Indexed
2026-10-29 22:34:46
Health
Status
healthy
Latency (p50)
156ms
Uptime (30d)
100.0%
Reliability Score
92/100
Last Checked
2026-10-29 23:10:57
Last Healthy
2026-10-29 23:10:57
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"baseline": "stored",
"mode": "text",
"urls": "https://example.com/,https://news.ycombinator.com/"
},
"type": "http"
}
Output Schema
{
"example": {
"any_changed": true,
"changed_count": 1,
"checked": 2,
"error_count": 0,
"need_baseline_count": 0,
"ok": true,
"results": [
{
"added_count": 2,
"changed": true,
"current_hash": "0a080719be9f",
"ok": true,
"removed_count": 1,
"url": "https://example.com/"
}
]
},
"type": "json"
}
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-29 23:10:57 | healthy | 402 | 156ms |