Check whether a domain name is free across up to 10 TLDs such as com, net, org,
Check whether a domain name is free across up to 10 TLDs such as com, net, org, io and ai using registry RDAP, with registration and expiry dates when taken
Answers HTTP 404 without x402 payment termsour last check, 2026-10-18
0 of 1checks answered this week
n/amedian answer time
$0.01listed price per call
n/aprice it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://saylorinnovations.com/api/domain/availability
| Category | Company and compliance |
|---|---|
| Provider host | saylorinnovations.com |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-18 | no x402 terms | 404 | 16 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"name": "zxqvbnm-example",
"tlds": "com,net,org,io"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"POST",
"PUT",
"PATCH",
"DELETE",
"HEAD"
],
"type": "string"
},
"queryParams": {
"properties": {
"name": {
"description": "Domain label such as mybrand (a trailing .tld is also accepted)",
"type": "string"
},
"tlds": {
"description": "optional comma list, default com,net,org,io,ai,co,dev,app, max 10",
"type": "string"
}
},
"required": [
"name"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"available": {
"type": "array"
},
"checked": {
"description": "Locations that were checked",
"type": "number"
},
"name": {
"description": "Name",
"type": "string"
},
"note": {
"description": "Caveat or context for reading the result",
"type": "string"
},
"registered": {
"description": "Registration date",
"type": "array"
},
"results": {
"description": "List of matching results",
"type": "array"
},
"source": {
"description": "Data source the values come from",
"type": "string"
},
"unknown": {
"type": "array"
}
},
"required": [
"name",
"available",
"results"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}