Normalizes safe x402 challenge metadata from multiple provider formats
Normalizes safe x402 challenge metadata from multiple provider formats.
Answeringour last check, 2026-10-04
1 of 1checks answered this week
827 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://api.blockchainmoneymap.com/api/x402/x402-multi-provider-challenge-normalizer
| Category | Everything else |
|---|---|
| Provider host | api.blockchainmoneymap.com |
| 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 |
|---|---|---|---|---|
| 2026-10-04 | valid payment request | 402 | $0.01 | 827 ms |
Example input (from the provider)
{
"body": {
"facts": {
"challenge_json": {
"amount": "0.01",
"currency": "USDC",
"network": "base",
"receiver": "0x1111111111111111111111111111111111111111",
"resource": "/api/x402/wallet-snapshot",
"scheme": "exact"
},
"headers": {
"content_type": "application/json"
},
"provider_label": "provider-a",
"resource_url_label": "https://api.example.com/api/x402/wallet-snapshot",
"status_code": 402
},
"mode": "normalize"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"facts": {
"additionalProperties": false,
"properties": {
"challenge_json": {
"additionalProperties": true,
"maxProperties": 50,
"type": "object"
},
"headers": {
"additionalProperties": false,
"maxProperties": 10,
"properties": {
"cache-control": {
"maxLength": 160,
"type": "string"
},
"content-length": {
"maxLength": 40,
"type": "string"
},
"content_type": {
"maxLength": 120,
"type": "string"
},
"x-provider": {
"maxLength": 120,
"type": "string"
},
"x-request-id": {
"maxLength": 160,
"type": "string"
},
"x-version": {
"maxLength": 80,
"type": "string"
}
},
"type": "object"
},
"provider_label": {
"maxLength": 500,
"type": "string"
},
"resource_url_label": {
"maxLength": 500,
"type": "string"
},
"status_code": {
"type": "number"
}
},
"required": [
"provider_label",
"status_code",
"headers",
"challenge_json"
],
"type": "object"
},
"mode": {
"enum": [
"normalize"
]
},
"policy": {
"additionalProperties": true,
"type": "object"
},
"reference_facts": {
"additionalProperties": false,
"properties": {
"challenge_json": {
"additionalProperties": true,
"maxProperties": 50,
"type": "object"
},
"headers": {
"additionalProperties": false,
"maxProperties": 10,
"properties": {
"cache-control": {
"maxLength": 160,
"type": "string"
},
"content-length": {
"maxLength": 40,
"type": "string"
},
"content_type": {
"maxLength": 120,
"type": "string"
},
"x-provider": {
"maxLength": 120,
"type": "string"
},
"x-request-id": {
"maxLength": 160,
"type": "string"
},
"x-version": {
"maxLength": 80,
"type": "string"
}
},
"type": "object"
},
"provider_label": {
"maxLength": 500,
"type": "string"
},
"resource_url_label": {
"maxLength": 500,
"type": "string"
},
"status_code": {
"type": "number"
}
},
"required": [
"provider_label",
"status_code",
"headers",
"challenge_json"
],
"type": "object"
}
},
"required": [
"mode",
"facts"
],
"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"
}
},
"required": [
"input"
],
"type": "object"
}