Roundhouse

Live Crypto Market Snapshot

Fetch current USD price, market capitalization, 24-hour trading volume, 24-hour percentage change, and source update time for up to 20 crypto assets in one call.

TradingLiveeip155:8453Exactvia cdp
https://ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/crypto_market_snapshot
Market-dataPriceVolumeMarket-capCoingecko
Calls · 30d
8↓ 20%
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 30 snapshots so far.
$8.76
Verified settled volume
236 settlements proven x402 by their on-chain EIP-3009 marker.
$0.0040
Listed price
As published in the catalog. Always read the live 402 before paying.
8
Calls · 30d
Upstream's own call count for this endpoint, not ours.
6
Unique payers · 30d
Last called 2026-09-08 23:27Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0x8647F7D7a1368a467Ad1FF757fBc2e7167973558

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.

Live 402 challenge

Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.

{
  "error": "Payment Required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x8647F7D7a1368a467Ad1FF757fBc2e7167973558",
      "amount": "4000",
      "scheme": "exact",
      "network": "eip155:8453",
      "mimeType": "application/json",
      "resource": "https://ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/crypto_market_snapshot",
      "maxAmountRequired": "4000",
      "maxTimeoutSeconds": 300
    }
  ],
  "message": "This route accepts the x402 v2 PAYMENT-SIGNATURE flow on Base Mainnet. The legacy transaction-hash flow remains available for existing clients.",
  "resource": {
    "url": "https://ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/crypto_market_snapshot",
    "tags": [
      "market-data",
      "price",
      "volume",
      "market-cap",
      "coingecko"
    ],
    "iconUrl": "https://ai-data-marketplace-1042299154756.us-central1.run.app/favicon.svg",
    "mimeType": "application/json",
    "description": "Fetch current USD price, market capitalization, 24-hour trading volume, 24-hour percentage change, and source update time for up to 20 crypto assets in one call.",
    "serviceName": "Live Crypto Market Snapshot"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "queryParams": {
            "symbols": "btc,eth,sol,xrp"
          }
        },
        "output": {
          "type": "json",
          "example": {
            "count": 4,
            "assets": [
              {
                "id": "bitcoin",
                "price_usd": 100000,
                "market_cap_usd": 2000000000000,
                "volume_24h_usd": 50000000000,
                "change_24h_percent": 1.2
              }
            ],
            "success": true,
            "quote_currency": "USD"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET",
                  "HEAD",
                  "DELETE"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {
                  "symbols": {
                    "type": "string",
                    "description": "One to 20 comma-separated supported symbols or CoinGecko IDs. Defaults to bitcoin, ethereum, and solana."
                  }
                },
                "additionalProperties": true
              }
            },
            "additionalProperties": false
          },
          "output": {
            "type": "object",
            "required": [
              "type"
            ],
            "properties": {
              "type": {
                "type": "string"
              },
              "example": {
                "type": "object",
                "required": [
                  "success",
                  "quote_currency",
                  "count",
                  "assets"
                ],
                "properties": {
                  "count": {
                    "type": "integer"
                  },
                  "assets": {
                    "type": "array",
                    "items": {
                      "type": "object",
                      "required": [
                        "id",
                        "price_usd",
                        "market_cap_usd",
                        "volume_24h_usd",
                        "change_24h_percent"
                      ],
                      "properties": {
                        "id": {
                          "type": "string"
                        },
                        "price_usd": {
                          "type": "integer"
                        },
                        "market_cap_usd": {
                          "type": "integer"
                        },
                        "volume_24h_usd": {
                          "type": "integer"
                        },
                        "change_24h_percent": {
                          "type": "number"
                        }
                      },
                      "additionalProperties": true
                    }
                  },
                  "success": {
                    "type": "boolean"
                  },
                  "quote_currency": {
                    "type": "string"
                  }
                },
                "additionalProperties": true
              }
            }
          }
        }
      }
    }
  },
  "x402Version": 2,
  "x402_invoice": {
    "amount": "0.004",
    "currency": "USDC",
    "payment_id": "71690068-5e2c-4d11-9e50-ad08dc8c5545",
    "description": "One request to /api/v1/crypto_market_snapshot",
    "submit_headers": [
      "x-402-payment-tx",
      "x-402-payment-id"
    ],
    "accepted_networks": [
      {
        "asset": "USDC",
        "network": "base",
        "chain_id": 8453,
        "asset_contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "destination_address": "0x8647F7D7a1368a467Ad1FF757fBc2e7167973558"
      }
    ],
    "expires_in_seconds": 900
  },
  "marketplace_metadata": {
    "source": "CoinGecko Simple Price API",
    "billable": true,
    "data_mode": "live_source",
    "availability": "operational"
  }
}

Accepts

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

0.004USDC≈ $0.004 USD
on Base · exact scheme

Pay 0.004 USDC on Base to 0x8647…73558. The signed payment is good for 5 minutes.

Paid to
0x8647…73558
USD Coin contract
0x8335…02913
Payment window
5 minutes
As published
4000 smallest units
The catalog’s raw entry
[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0x8647F7D7a1368a467Ad1FF757fBc2e7167973558",
    "amount": "4000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 300
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET",
        "queryParams": {
          "symbols": "btc,eth,sol,xrp"
        }
      },
      "output": {
        "type": "json",
        "example": {
          "count": 4,
          "assets": [
            {
              "id": "bitcoin",
              "price_usd": 100000,
              "market_cap_usd": 2000000000000,
              "volume_24h_usd": 50000000000,
              "change_24h_percent": 1.2
            }
          ],
          "success": true,
          "quote_currency": "USD"
        }
      }
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "required": [
        "input"
      ],
      "properties": {
        "input": {
          "type": "object",
          "required": [
            "type",
            "method"
          ],
          "properties": {
            "type": {
              "type": "string",
              "const": "http"
            },
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "type": "object",
              "properties": {
                "symbols": {
                  "type": "string",
                  "description": "One to 20 comma-separated supported symbols or CoinGecko IDs. Defaults to bitcoin, ethereum, and solana."
                }
              },
              "additionalProperties": true
            }
          },
          "additionalProperties": false
        },
        "output": {
          "type": "object",
          "required": [
            "type"
          ],
          "properties": {
            "type": {
              "type": "string"
            },
            "example": {
              "type": "object",
              "required": [
                "success",
                "quote_currency",
                "count",
                "assets"
              ],
              "properties": {
                "count": {
                  "type": "integer"
                },
                "assets": {
                  "type": "array",
                  "items": {
                    "type": "object",
                    "required": [
                      "id",
                      "price_usd",
                      "market_cap_usd",
                      "volume_24h_usd",
                      "change_24h_percent"
                    ],
                    "properties": {
                      "id": {
                        "type": "string"
                      },
                      "price_usd": {
                        "type": "integer"
                      },
                      "market_cap_usd": {
                        "type": "integer"
                      },
                      "volume_24h_usd": {
                        "type": "integer"
                      },
                      "change_24h_percent": {
                        "type": "number"
                      }
                    },
                    "additionalProperties": true
                  }
                },
                "success": {
                  "type": "boolean"
                },
                "quote_currency": {
                  "type": "string"
                }
              },
              "additionalProperties": true
            }
          }
        }
      }
    }
  }
}

Provenance

Seen in the source catalog
2026-09-08 23:27Z
Last indexed by Roundhouse
2026-09-24 07:20Z
Last enriched (probe, favicon, geo)
2026-09-22 01:45Z
x402 version
2
Max timeout
300s
Liveness probe
HTTP 402
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. 30 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 Live Crypto Market Snapshot 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=Live%20Crypto%20Market%20Snapshot'
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://ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/crypto_market_snapshot, 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.