Verify many crawler visitors (IP + user-agent) in one call
Verify many crawler visitors (IP + user-agent) in one call: real Googlebot, GPTBot, ClaudeBot or impostor, billed per item.
Answeringour last check, 2026-10-31
2 of 2checks answered this week
287 msmedian answer time
$0.01listed price per call
$0.01price 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://how.is/v1/bot/verify/batch
| Category | Search and research |
|---|---|
| Provider host | how.is |
| Networks | eip155:8453 |
| 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 |
|---|---|---|---|---|
| 2026-10-31 | valid payment request | 402 | $0.01 | 288 ms |
| 2026-10-29 | valid payment request | 402 | $0.01 | 286 ms |
Example input (from the provider)
{
"body": {
"items": [
{
"ip": "66.249.66.1",
"ua": "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)"
},
{
"ip": "164.92.64.1",
"ua": "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"items": {
"description": "1-100 visitors; price is per item",
"items": {
"additionalProperties": false,
"properties": {
"ip": {
"description": "The visitor's public IPv4 or IPv6 address",
"type": "string"
},
"ja4": {
"description": "Optional TLS JA4 fingerprint, e.g. t13d1516h2_8daaf6152771_02713d6af862",
"maxLength": 80,
"type": "string"
},
"ua": {
"description": "The User-Agent header it sent (omit or empty if none)",
"maxLength": 1000,
"type": "string"
}
},
"required": [
"ip"
],
"type": "object"
},
"maxItems": 100,
"minItems": 1,
"type": "array"
}
},
"required": [
"items"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}