Call when you need a cheap reachability/health check before a heavier fetch
Call when you need a cheap reachability/health check before a heavier fetch. Probes a public http(s) URL (HEAD, GET fallback): status, final URL, content-type, timing. No full body download (GET peeks ≤8KB). SSRF-safe public hosts only. Not for authenticated or private network URLs.
Answeringour last check, 2026-10-18
1 of 1checks answered this week
658 msmedian answer time
$0.03listed price per call
$0.03price 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
POST https://desk.grokaiapps.com/v1/jobs/url-probe
| Category | Everything else |
|---|---|
| Provider host | desk.grokaiapps.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-18 | valid payment request | 402 | $0.03 | 658 ms |
Example input (from the provider)
{
"body": {
"method": "HEAD",
"url": "https://example.com"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"method": {
"description": "Prefer HEAD (default); GET peeks at most 8KB",
"enum": [
"HEAD",
"GET"
],
"type": "string"
},
"url": {
"description": "Public http(s) URL to probe",
"format": "uri",
"type": "string"
}
},
"required": [
"url"
]
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"contentLength": {
"type": [
"integer",
"null"
]
},
"contentType": {
"type": [
"string",
"null"
]
},
"elapsedMs": {
"type": "integer"
},
"finalUrl": {
"type": "string"
},
"methodUsed": {
"enum": [
"HEAD",
"GET"
],
"type": "string"
},
"ok": {
"type": "boolean"
},
"redirected": {
"type": "boolean"
},
"status": {
"type": "integer"
},
"url": {
"type": "string"
}
},
"required": [
"url",
"finalUrl",
"status",
"ok",
"methodUsed",
"elapsedMs"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}