agentscan (Tanod) known x402 clients
agentscan (Tanod) known x402 clients: is a User-Agent an x402 monitor, indexer, grader or HTTP library, what it does and how often it calls a seller. Use when an x402 seller must tell which User-Agent in its logs is a monitor, indexer, grader or HTTP library.
Answeringour last check, 2026-11-04
3 of 3checks answered this week
294 msmedian answer time
$0.001listed price per call
$0.001price 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://tanod.dev/v1/x402/clients
| Category | Everything else |
|---|---|
| Provider host | tanod.dev |
| Networks | eip155:137, eip155:42161, eip155:56, 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 |
|---|---|---|---|---|
| 2026-11-04 | valid payment request | 402 | $0.001 | 392 ms |
| 2026-11-03 | valid payment request | 402 | $0.001 | 287 ms |
| 2026-11-02 | valid payment request | 402 | $0.001 | 294 ms |
Example input (from the provider)
{
"body": {
"ua": "x402watch/1.0"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"ua": {
"anyOf": [
{
"maxLength": 512,
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "Optional: a User-Agent string to identify (at most 512 characters; not stored or echoed). Empty or absent: the whole table."
}
},
"type": "object"
},
"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": {
"description": "Abridged to fit the header. Full example: the 402 JSON body. Full schema: https://tanod.dev/openapi.json POST /v1/x402/clients",
"properties": {
"client": {
"type": [
"object",
"null"
]
},
"clients": {
"type": "array"
},
"count": {
"type": "integer"
},
"family_label": {
"type": "string"
},
"kind_means": {
"type": [
"string",
"null"
]
},
"kinds": {
"type": "object"
},
"known": {
"type": "boolean"
},
"matched_by": {
"type": [
"string",
"null"
]
},
"method": {
"type": "string"
},
"mode": {
"type": "string"
},
"note": {
"type": "string"
},
"observed_window": {
"type": [
"object",
"null"
]
},
"product_token": {
"type": [
"string",
"null"
]
},
"version": {
"type": [
"string",
"null"
]
}
},
"required": [
"mode",
"observed_window",
"note"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}