api.blockchainmoneymap.com
Compares caller-supplied x402 catalog, OpenAPI, MCP/tool metadata, and unpaid challenge samples for endpoint, method, price, currency, network, receiver, and tool drift.
The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.
Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
The payTo wallet does not resolve to a registered ERC-8004 agent. That is not a verdict on the service — most of the catalog is unregistered.
Live 402 challenge
Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.
{
"x402": {
"payTo": "0x2211E12e6Bc8Da27B48B9DD66A55f5C3388D713a",
"amount": "0.01",
"network": "base",
"currency": "USDC",
"resource": "/api/x402/x402-catalog-drift-monitor",
"caip2Network": "eip155:8453"
},
"error": "payment_required",
"message": "Payment required to use this Blockchain Money Map agent tool.",
"paymentRequired": {
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x2211E12e6Bc8Da27B48B9DD66A55f5C3388D713a",
"amount": "10000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://api.blockchainmoneymap.com/api/x402/x402-catalog-drift-monitor",
"mimeType": "application/json",
"description": "Compares caller-supplied x402 catalog, OpenAPI, MCP/tool metadata, and unpaid challenge samples for endpoint, method, price, currency, network, receiver, and tool drift."
},
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"service_url": "https://api.blockchainmoneymap.com",
"catalog_json": {
"resources": [
{
"id": "wallet_snapshot",
"path": "/api/x402/wallet-snapshot",
"price": {
"amount": "0.01",
"network": "base",
"currency": "USDC",
"receiver": "0x2211E12e6Bc8Da27B48B9DD66A55f5C3388D713a"
},
"method": "POST"
}
]
},
"openapi_json": {
"paths": {
"/api/x402/wallet-snapshot": {
"post": {
"operationId": "wallet_snapshot"
}
}
}
},
"expected_price": "0.01",
"expected_method": "POST",
"expected_network": "base",
"expected_tool_id": "wallet_snapshot",
"expected_currency": "USDC",
"expected_endpoint": "/api/x402/wallet-snapshot",
"expected_receiver": "0x2211E12e6Bc8Da27B48B9DD66A55f5C3388D713a",
"payment_challenge_json": {
"x402": {
"payTo": "0x2211E12e6Bc8Da27B48B9DD66A55f5C3388D713a",
"amount": "0.01",
"network": "base",
"currency": "USDC",
"resource": "/api/x402/wallet-snapshot"
}
}
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json"
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method",
"bodyType",
"body"
],
"properties": {
"body": {
"type": "object",
"required": [
"service_url",
"expected_endpoint"
],
"properties": {
"service_url": {
"type": "string",
"format": "uri",
"maxLength": 2048,
"description": "Public HTTPS service URL used only as a sanitized label in v1."
},
"catalog_json": {
"type": "object",
"additionalProperties": true
},
"openapi_json": {
"type": "object",
"additionalProperties": true
},
"mcp_tool_name": {
"type": "string",
"maxLength": 120
},
"expected_price": {
"type": "string",
"pattern": "^[0-9]+(\\.[0-9]{1,6})?$"
},
"expected_method": {
"enum": [
"GET",
"POST"
],
"type": "string",
"default": "POST"
},
"expected_network": {
"type": "string",
"maxLength": 40
},
"expected_tool_id": {
"type": "string",
"maxLength": 120
},
"expected_currency": {
"type": "string",
"maxLength": 20
},
"expected_endpoint": {
"type": "string",
"maxLength": 256,
"description": "Root-relative endpoint path expected by the buyer agent."
},
"expected_receiver": {
"type": "string",
"maxLength": 120
},
"payment_challenge_json": {
"type": "object",
"additionalProperties": true
}
},
"additionalProperties": false
},
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"enum": [
"json"
],
"type": "string"
},
"example": {
"type": "object",
"required": [
"product_family",
"endpoint",
"tool_id",
"version",
"request_id",
"x402_request_id",
"generated_at",
"decision",
"confidence",
"summary",
"checked_surfaces",
"mismatches",
"risk_flags",
"recommended_next_action",
"limitations"
],
"properties": {
"summary": {
"type": "string"
},
"tool_id": {
"enum": [
"x402_catalog_drift_monitor"
]
},
"version": {
"enum": [
"v0.1"
]
},
"decision": {
"enum": [
"consistent",
"minor_drift",
"major_drift",
"insufficient_evidence",
"unsafe_target"
],
"type": "string"
},
"endpoint": {
"enum": [
"x402-catalog-drift-monitor"
]
},
"metadata": {
"type": "object",
"required": [
"paymentStatus"
],
"properties": {
"paymentStatus": {
"type": "string"
}
},
"additionalProperties": false
},
"confidence": {
"enum": [
"high",
"medium",
"low"
],
"type": "string"
},
"mismatches": {
"type": "array",
"items": {
"type": "object",
"required": [
"field",
"severity",
"expected",
"observed",
"source"
],
"properties": {
"field": {
"type": "string"
},
"source": {
"type": "string"
},
"expected": {
"type": [
"string",
"number",
"boolean",
"null"
]
},
"observed": {
"type": [
"string",
"number",
"boolean",
"null"
]
},
"severity": {
"enum": [
"low",
"medium",
"high"
],
"type": "string"
},
"explanation": {
"type": "string"
}
},
"additionalProperties": false
}
},
"request_id": {
"type": "string"
},
"risk_flags": {
"type": "array",
"items": {
"type": "string"
}
},
"limitations": {
"type": "array",
"items": {
"type": "string"
}
},
"generated_at": {
"type": "string",
"format": "date-time"
},
"product_family": {
"enum": [
"agent_expansion_v2_api"
]
},
"x402_request_id": {
"type": "string",
"description": "x402 route request ID used for Supabase x402_agent_requests ledger reconciliation when available."
},
"checked_surfaces": {
"type": "array",
"items": {
"type": "string"
}
},
"recommended_next_action": {
"type": "string"
}
},
"additionalProperties": false
}
}
}
}
}
}
},
"x402Version": 2
}
}Accepts
The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.
Pay 0.01 USDC on Base to 0x2211…D713a. The signed payment is good for 5 minutes.
- Paid to
- 0x2211…D713a
- USD Coin contract
- 0x8335…02913
- Payment window
- 5 minutes
- As published
- 10000 smallest units
The catalog’s raw entry
[
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x2211E12e6Bc8Da27B48B9DD66A55f5C3388D713a",
"amount": "10000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
}
]Extensions
{
"bazaar": {
"info": {
"input": {
"body": {
"service_url": "https://api.blockchainmoneymap.com",
"catalog_json": {
"resources": [
{
"id": "wallet_snapshot",
"path": "/api/x402/wallet-snapshot",
"price": {
"amount": "0.01",
"network": "base",
"currency": "USDC",
"receiver": "0x2211E12e6Bc8Da27B48B9DD66A55f5C3388D713a"
},
"method": "POST"
}
]
},
"openapi_json": {
"paths": {
"/api/x402/wallet-snapshot": {
"post": {
"operationId": "wallet_snapshot"
}
}
}
},
"expected_price": "0.01",
"expected_method": "POST",
"expected_network": "base",
"expected_tool_id": "wallet_snapshot",
"expected_currency": "USDC",
"expected_endpoint": "/api/x402/wallet-snapshot",
"expected_receiver": "0x2211E12e6Bc8Da27B48B9DD66A55f5C3388D713a",
"payment_challenge_json": {
"x402": {
"payTo": "0x2211E12e6Bc8Da27B48B9DD66A55f5C3388D713a",
"amount": "0.01",
"network": "base",
"currency": "USDC",
"resource": "/api/x402/wallet-snapshot"
}
}
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json"
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method",
"bodyType",
"body"
],
"properties": {
"body": {
"type": "object",
"required": [
"service_url",
"expected_endpoint"
],
"properties": {
"service_url": {
"type": "string",
"format": "uri",
"maxLength": 2048,
"description": "Public HTTPS service URL used only as a sanitized label in v1."
},
"catalog_json": {
"type": "object",
"additionalProperties": true
},
"openapi_json": {
"type": "object",
"additionalProperties": true
},
"mcp_tool_name": {
"type": "string",
"maxLength": 120
},
"expected_price": {
"type": "string",
"pattern": "^[0-9]+(\\.[0-9]{1,6})?$"
},
"expected_method": {
"enum": [
"GET",
"POST"
],
"type": "string",
"default": "POST"
},
"expected_network": {
"type": "string",
"maxLength": 40
},
"expected_tool_id": {
"type": "string",
"maxLength": 120
},
"expected_currency": {
"type": "string",
"maxLength": 20
},
"expected_endpoint": {
"type": "string",
"maxLength": 256,
"description": "Root-relative endpoint path expected by the buyer agent."
},
"expected_receiver": {
"type": "string",
"maxLength": 120
},
"payment_challenge_json": {
"type": "object",
"additionalProperties": true
}
},
"additionalProperties": false
},
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"enum": [
"json"
],
"type": "string"
},
"example": {
"type": "object",
"required": [
"product_family",
"endpoint",
"tool_id",
"version",
"request_id",
"x402_request_id",
"generated_at",
"decision",
"confidence",
"summary",
"checked_surfaces",
"mismatches",
"risk_flags",
"recommended_next_action",
"limitations"
],
"properties": {
"summary": {
"type": "string"
},
"tool_id": {
"enum": [
"x402_catalog_drift_monitor"
]
},
"version": {
"enum": [
"v0.1"
]
},
"decision": {
"enum": [
"consistent",
"minor_drift",
"major_drift",
"insufficient_evidence",
"unsafe_target"
],
"type": "string"
},
"endpoint": {
"enum": [
"x402-catalog-drift-monitor"
]
},
"metadata": {
"type": "object",
"required": [
"paymentStatus"
],
"properties": {
"paymentStatus": {
"type": "string"
}
},
"additionalProperties": false
},
"confidence": {
"enum": [
"high",
"medium",
"low"
],
"type": "string"
},
"mismatches": {
"type": "array",
"items": {
"type": "object",
"required": [
"field",
"severity",
"expected",
"observed",
"source"
],
"properties": {
"field": {
"type": "string"
},
"source": {
"type": "string"
},
"expected": {
"type": [
"string",
"number",
"boolean",
"null"
]
},
"observed": {
"type": [
"string",
"number",
"boolean",
"null"
]
},
"severity": {
"enum": [
"low",
"medium",
"high"
],
"type": "string"
},
"explanation": {
"type": "string"
}
},
"additionalProperties": false
}
},
"request_id": {
"type": "string"
},
"risk_flags": {
"type": "array",
"items": {
"type": "string"
}
},
"limitations": {
"type": "array",
"items": {
"type": "string"
}
},
"generated_at": {
"type": "string",
"format": "date-time"
},
"product_family": {
"enum": [
"agent_expansion_v2_api"
]
},
"x402_request_id": {
"type": "string",
"description": "x402 route request ID used for Supabase x402_agent_requests ledger reconciliation when available."
},
"checked_surfaces": {
"type": "array",
"items": {
"type": "string"
}
},
"recommended_next_action": {
"type": "string"
}
},
"additionalProperties": false
}
}
}
}
}
}
}Provenance
- Seen in the source catalog
- 2026-10-18 16:26Z
- Last indexed by Roundhouse
- 2026-10-26 15:20Z
- Last enriched (probe, favicon, geo)
- 2026-10-03 19:45Z
- x402 version
- 2
- Max timeout
- 300s
- Liveness probe
- HTTP 402
Hand this page to an agent
Copy the prompt and paste it into Claude, an MCP client or your own agent — it will vet this service and call it over the free read API. No key, no account.
GET api.roundhouseai.io/v0/endpoints
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 31 snapshots so far. Verified volume counts only settlements with an on-chain EIP-3009 marker.
Show the promptHide the prompt
Using Roundhouse, look up the x402 service api.blockchainmoneymap.com and tell me whether it is worth paying: what a call costs, whether the endpoint answered when last probed, and what its payment record actually shows. curl -s 'https://api.roundhouseai.io/v0/endpoints?q=api.blockchainmoneymap.com' curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet returned above>' Then call it: read the price from the live 402 at https://api.blockchainmoneymap.com/api/x402/x402-catalog-drift-monitor, never from a cached figure, and pay with an x402 client. The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except /v0/unified* and /v0/endpoints. Either pay over x402 (mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402), or ask me for an organization key, which I create at https://roundhouseai.io/dashboard/connections. If you have neither, ask before going further. If you do not have Roundhouse tools or skills installed, read https://roundhouseai.io/skill.md first — it is the whole procedure.