Buyer agents need one portable object to decide whether a paid service is unders
Buyer agents need one portable object to decide whether a paid service is understandable, evidenced, and worth using.
Answeringour last check, 2026-10-04
1 of 1checks answered this week
368 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-agent-buyer-trust-passport-plus
| 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 | $0.01 | 368 ms |
Example input (from the provider)
{
"body": {
"facts": {
"agent_card_summary": "Agent card describes wallet triage skill.",
"buyer_promise": "Helps buyer agents triage public wallet evidence.",
"limitations": "Public-chain evidence only.",
"mcp_metadata": "MCP tool name and input schema are listed.",
"output_description": "Decision, confidence, findings, and limitations.",
"price": "0.01 USD",
"proof_links": [
"sample output",
"docs excerpt"
],
"seller_wallet_label": "seller receiver label",
"service_name": "Wallet Snapshot"
},
"mode": "check"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"facts": {
"additionalProperties": false,
"properties": {
"agent_card_summary": {
"maxLength": 500,
"type": "string"
},
"buyer_promise": {
"maxLength": 500,
"type": "string"
},
"limitations": {
"maxLength": 500,
"type": "string"
},
"mcp_metadata": {
"maxLength": 500,
"type": "string"
},
"output_description": {
"maxLength": 500,
"type": "string"
},
"price": {
"maxLength": 500,
"type": [
"string",
"number"
]
},
"proof_links": {
"maxItems": 10,
"type": "array"
},
"seller_wallet_label": {
"maxLength": 500,
"type": "string"
},
"service_name": {
"maxLength": 500,
"type": "string"
}
},
"required": [
"service_name",
"buyer_promise",
"price",
"output_description"
],
"type": "object"
},
"mode": {
"enum": [
"check"
]
},
"policy": {
"additionalProperties": true,
"type": "object"
},
"reference_facts": {
"additionalProperties": false,
"properties": {
"agent_card_summary": {
"maxLength": 500,
"type": "string"
},
"buyer_promise": {
"maxLength": 500,
"type": "string"
},
"limitations": {
"maxLength": 500,
"type": "string"
},
"mcp_metadata": {
"maxLength": 500,
"type": "string"
},
"output_description": {
"maxLength": 500,
"type": "string"
},
"price": {
"maxLength": 500,
"type": [
"string",
"number"
]
},
"proof_links": {
"maxItems": 10,
"type": "array"
},
"seller_wallet_label": {
"maxLength": 500,
"type": "string"
},
"service_name": {
"maxLength": 500,
"type": "string"
}
},
"required": [
"service_name",
"buyer_promise",
"price",
"output_description"
],
"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"
}