Roundhouse AI

contextiq.trango-compute.com

AI context engineering and agentic commerce for LLMs & AI applications — RAG Chunk Inspector, Memory Architecture Visualizer, Agent Trace Inspector, and Agent Commerce Gate for x402 + ERC-8004 pre-payment checks.

InfraLiveeip155:8453Exactvia cdp
https://contextiq.trango-compute.com/api/v1/policy-check/x402-v2
Calls · 30d
11↑ 26%
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 13 snapshots so far.
$1.50
Verified settled volume
75 settlements proven x402 by their on-chain EIP-3009 marker.
$0.020
Listed price
As published in the catalog. Always read the live 402 before paying.
11
Calls · 30d
Upstream's own call count for this endpoint, not ours.
2
Unique payers · 30d
Last called 2026-09-18 23:53Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0x4eba5ea3cf0f3fc307099317e17e54390f7a4c58

The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.

Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Provider

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.

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

0.02USDC≈ $0.02 USD
on Base · exact scheme

Pay 0.02 USDC on Base to 0x4eba…a4c58. The signed payment is good for 5 minutes.

Paid to
0x4eba…a4c58
USD Coin contract
0x8335…02913
Payment window
5 minutes
As published
20000 smallest units
The catalog’s raw entry
[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0x4eba5ea3cf0f3fc307099317e17e54390f7a4c58",
    "amount": "20000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 300
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "POST",
        "schema": {
          "type": "object",
          "required": [
            "endpoint",
            "network"
          ],
          "properties": {
            "agentId": {
              "type": "string",
              "description": "The counterparty's ERC-8004 agent ID"
            },
            "network": {
              "type": "string",
              "description": "Network the agent is registered on: ethereum, base, base-sepolia, arbitrum, polygon, avalanche, or bnb"
            },
            "endpoint": {
              "type": "string",
              "description": "The x402 payment URL of the counterparty about to be paid"
            }
          }
        }
      },
      "output": {
        "schema": {
          "type": "object",
          "properties": {
            "score": {
              "type": "number"
            },
            "reasons": {
              "type": "array",
              "items": {
                "type": "object",
                "properties": {
                  "check": {
                    "type": "string"
                  },
                  "detail": {
                    "type": "string"
                  },
                  "points": {
                    "type": "number"
                  },
                  "maxPoints": {
                    "type": "number"
                  }
                }
              }
            },
            "decision": {
              "type": "string",
              "description": "allow, warn, or block"
            },
            "maxScore": {
              "type": "number"
            }
          }
        },
        "example": {
          "score": 95,
          "reasons": [
            {
              "check": "erc8004_identity_found",
              "detail": "Agent #1 is registered on Base",
              "points": 15,
              "maxPoints": 15
            }
          ],
          "decision": "allow",
          "maxScore": 100
        }
      }
    },
    "schema": {
      "type": "object",
      "properties": {
        "score": {
          "type": "number"
        },
        "reasons": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "check": {
                "type": "string"
              },
              "detail": {
                "type": "string"
              },
              "points": {
                "type": "number"
              },
              "maxPoints": {
                "type": "number"
              }
            }
          }
        },
        "decision": {
          "type": "string",
          "description": "allow, warn, or block"
        },
        "maxScore": {
          "type": "number"
        }
      }
    }
  }
}

Provenance

Seen in the source catalog
2026-09-18 23:53Z
Last indexed by Roundhouse
2026-09-25 03:10Z
Last enriched (probe, favicon, geo)
2026-09-11 20:45Z
x402 version
2
Max timeout
300s
Liveness probe
HTTP 405
Report

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. 13 snapshots so far. Verified volume counts only settlements with an on-chain EIP-3009 marker.

Open skill.md
Show the prompt
Using Roundhouse, look up the x402 service contextiq.trango-compute.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=contextiq.trango-compute.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://contextiq.trango-compute.com/api/v1/policy-check/x402-v2, 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. Mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402,
or use an organization key from https://roundhouseai.io/dashboard/team.

If you do not have Roundhouse tools or skills installed, read
https://roundhouseai.io/skill.md first — it is the whole procedure.