Discovery endpoint for x402 APIs
Discovery endpoint for x402 APIs. Send a task in natural language (or a pre-split list of sub-tasks); receive a set of routes that together address the request, plus a total price estimate.
Not tested: has real-world effectsour last check, 2026-10-20
0 of 0checks answered this week
n/amedian answer time
$0.0017listed price per call
n/aprice it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://x402helper.xyz/discovery
| Category | Market data |
|---|---|
| Provider host | x402helper.xyz |
| Networks | eip155:1329, eip155:42161, eip155:56, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 0 from 0 payers (the provider's figure, not ours) |
Our checks, last 30 days
We never call tools that send, buy, move money or file anything, not even without paying.
Example input (from the provider)
{
"body": {
"budget": {
"currency": "USDC",
"maxTotalPrice": 0.7
},
"maxRoutesPerQuery": 4,
"queries": [
"needed to payment test",
"web-read-markdown"
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"anyOf": [
{
"properties": {
"prompt": {
"minLength": 1,
"type": "string"
}
},
"required": [
"prompt"
]
},
{
"properties": {
"queries": {
"items": {
"type": "string"
},
"minItems": 1,
"type": "array"
}
},
"required": [
"queries"
]
}
],
"properties": {
"budget": {
"properties": {
"currency": {
"default": "USDC",
"type": "string"
},
"maxTotalPrice": {
"type": [
"number",
"null"
]
}
},
"type": "object"
},
"maxRoutesPerQuery": {
"default": 3,
"maximum": 5,
"minimum": 1,
"type": [
"integer",
"null"
]
},
"prompt": {
"description": "Natural-language task. At least one of prompt or queries must be non-empty.",
"type": [
"string",
"null"
]
},
"queries": {
"description": "Pre-split list of sub-tasks.",
"items": {
"type": "string"
},
"type": "array"
}
},
"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": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}