Check when a domain appeared in the registry zone file, left it, came back or ch...
https://how.is/v1/domain/changesOverview
Check when a domain appeared in the registry zone file, left it, came back or changed nameservers, from daily gTLD and .com/.net zone files. A sudden nameserver move signals a hijack or sale; a brand-new name signals phishing.
Protocol
x402 (POST)
Price
$0.01
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
how.is
Source
bazaar
Indexed
2026-10-27 23:28:43
Health
Status
unknown
Latency (p50)
—
Uptime (30d)
—
Reliability Score
—
Last Checked
Never
Last Healthy
Never
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
—
Asset Verified
—
Facilitator
—
Input Schema
{
"body": {
"domain": "github.com"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Output Schema
{
"example": {
"data": {
"_shape": "data: in_zone_now, first_seen, first_seen_is_coverage_start, last_seen, current_ns, events[{type: appeared|disappeared|reappeared|ns_changed, dates, from, to, message}], changed_last_30_days, coverage{daily_since, first_zone_file, runs}, ns_runs, note."
},
"receipt": {
"charge_usd": 0.01,
"rail": "x402",
"settlement_tx": "0x…",
"tool": "changes"
},
"result": "Domain change history for the requested subject"
},
"type": "json"
}