Agent-to-agent task handoffs can fail because payload shape, mode support, statu
Agent-to-agent task handoffs can fail because payload shape, mode support, status handling, auth disclosure, or failure behavior is unclear.
Answeringour last check, 2026-10-04
1 of 1checks answered this week
378 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-a2a-handoff-readiness-boarding-pass
| 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 | $0.01 | 378 ms |
Example input (from the provider)
{
"body": {
"facts": {
"failureModes": [
"unsupported_input",
"insufficient_evidence"
],
"handoffPayload": {
"failureReturn": "structured error",
"status": "ready",
"task": "wallet risk summary"
},
"inputModes": [
"json"
],
"outputModes": [
"json"
],
"sourceAgent": {
"name": "Buyer Router",
"outputModes": [
"json"
]
},
"statusFields": [
"ready",
"completed",
"failed"
],
"targetAgent": {
"inputModes": [
"json"
],
"name": "Wallet Reporter",
"outputModes": [
"json"
]
}
},
"mode": "check"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"facts": {
"additionalProperties": false,
"properties": {
"failureModes": {
"maxItems": 10,
"type": "array"
},
"handoffPayload": {
"additionalProperties": true,
"maxProperties": 50,
"type": "object"
},
"inputModes": {
"maxItems": 10,
"type": "array"
},
"outputModes": {
"maxItems": 10,
"type": "array"
},
"sourceAgent": {
"additionalProperties": true,
"maxProperties": 50,
"type": "object"
},
"statusFields": {
"maxItems": 10,
"type": "array"
},
"targetAgent": {
"additionalProperties": true,
"maxProperties": 50,
"type": "object"
}
},
"required": [
"handoffPayload",
"sourceAgent",
"targetAgent"
],
"type": "object"
},
"mode": {
"enum": [
"check"
]
},
"policy": {
"additionalProperties": true,
"type": "object"
},
"reference_facts": {
"additionalProperties": false,
"properties": {
"failureModes": {
"maxItems": 10,
"type": "array"
},
"handoffPayload": {
"additionalProperties": true,
"maxProperties": 50,
"type": "object"
},
"inputModes": {
"maxItems": 10,
"type": "array"
},
"outputModes": {
"maxItems": 10,
"type": "array"
},
"sourceAgent": {
"additionalProperties": true,
"maxProperties": 50,
"type": "object"
},
"statusFields": {
"maxItems": 10,
"type": "array"
},
"targetAgent": {
"additionalProperties": true,
"maxProperties": 50,
"type": "object"
}
},
"required": [
"handoffPayload",
"sourceAgent",
"targetAgent"
],
"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"
}