Roundhouse

horizon-pulse.vercel.app

Horizon Pulse Signals - real RSI(14), MACD(12,26,9), Bollinger(20,2), and live perpetual funding rates for BTC/ETH/SOL. Transparent rule-based buy/hold/sell signal. No black box.

TradingLiveeip155:8453Exactvia cdp
https://horizon-pulse.vercel.app/api/signals
Calls · 30d
1→ 0%
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 11 snapshots so far.
$0.30
Verified settled volume
45 settlements proven x402 by their on-chain EIP-3009 marker.
$0.0080
Listed price
As published in the catalog. Always read the live 402 before paying.
1
Calls · 30d
Upstream's own call count for this endpoint, not ours.
1
Unique payers · 30d
Last called 2026-07-26 04:29Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0xe16A1b12404cB2EbC6e783beCA6E2A9253c3dC7E

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": "X-PAYMENT header required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0xe16A1b12404cB2EbC6e783beCA6E2A9253c3dC7E",
      "scheme": "exact",
      "network": "base",
      "mimeType": "application/json",
      "resource": "https://horizon-pulse.vercel.app/api/signals",
      "description": "Horizon Pulse Signals - real RSI(14), MACD(12,26,9), Bollinger(20,2), and live perpetual funding rates for BTC/ETH/SOL. Transparent rule-based buy/hold/sell signal. No black box.",
      "outputSchema": {
        "input": {
          "type": "http",
          "method": "GET",
          "discoverable": true
        },
        "output": {
          "type": "object",
          "required": [
            "timestamp",
            "assets",
            "methodology",
            "meta"
          ],
          "properties": {
            "meta": {
              "type": "object",
              "properties": {
                "product": {
                  "type": "string"
                },
                "sources": {
                  "type": "array",
                  "items": {
                    "type": "string"
                  }
                },
                "version": {
                  "type": "string"
                },
                "priceUsd": {
                  "type": "number"
                }
              }
            },
            "assets": {
              "type": "object",
              "description": "Per-asset signal breakdowns keyed by uppercase ticker.",
              "additionalProperties": {
                "type": "object",
                "required": [
                  "symbol",
                  "price",
                  "change_24h_pct",
                  "rsi_14",
                  "macd",
                  "bollinger",
                  "overall_signal",
                  "signal_score"
                ],
                "properties": {
                  "macd": {
                    "type": "object",
                    "properties": {
                      "line": {
                        "type": "number"
                      },
                      "signal": {
                        "type": "number"
                      },
                      "crossover": {
                        "enum": [
                          "bullish_crossover",
                          "bearish_crossover",
                          "none"
                        ],
                        "type": "string"
                      },
                      "histogram": {
                        "type": "number"
                      }
                    }
                  },
                  "price": {
                    "type": "number"
                  },
                  "rsi_14": {
                    "type": "number",
                    "maximum": 100,
                    "minimum": 0
                  },
                  "symbol": {
                    "type": "string"
                  },
                  "bollinger": {
                    "type": "object",
                    "properties": {
                      "lower": {
                        "type": "number"
                      },
                      "upper": {
                        "type": "number"
                      },
                      "middle": {
                        "type": "number"
                      },
                      "position": {
                        "type": "number",
                        "maximum": 1,
                        "minimum": 0
                      }
                    }
                  },
                  "funding_rate": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "signal_score": {
                    "type": "integer",
                    "maximum": 3,
                    "minimum": -3
                  },
                  "change_24h_pct": {
                    "type": "number"
                  },
                  "overall_signal": {
                    "enum": [
                      "buy",
                      "hold",
                      "sell"
                    ],
                    "type": "string"
                  }
                }
              }
            },
            "timestamp": {
              "type": "string",
              "format": "date-time"
            },
            "methodology": {
              "type": "string"
            }
          }
        }
      },
      "maxAmountRequired": "8000",
      "maxTimeoutSeconds": 60
    }
  ],
  "x402Version": 1
}

Accepts

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

0.008USDC≈ $0.008 USD
on Base · exact scheme

Pay 0.008 USDC on Base to 0xe16A…3dC7E. The signed payment is good for 1 minute.

Paid to
0xe16A…3dC7E
USD Coin contract
0x8335…02913
Payment window
1 minute
As published
8000 smallest units
Buys
Horizon Pulse Signals - real RSI(14), MACD(12,26,9), Bollinger(20,2), and live perpetual funding rates for BTC/ETH/SOL. Transparent rule-based buy/hold/sell signal. No black box.
Returns
application/json
The catalog’s raw entry
[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0xe16A1b12404cB2EbC6e783beCA6E2A9253c3dC7E",
    "scheme": "exact",
    "network": "base",
    "mimeType": "application/json",
    "resource": "https://horizon-pulse.vercel.app/api/signals",
    "description": "Horizon Pulse Signals - real RSI(14), MACD(12,26,9), Bollinger(20,2), and live perpetual funding rates for BTC/ETH/SOL. Transparent rule-based buy/hold/sell signal. No black box.",
    "outputSchema": {
      "input": {
        "type": "http",
        "method": "GET",
        "discoverable": true
      },
      "output": {
        "type": "object",
        "required": [
          "timestamp",
          "assets",
          "methodology",
          "meta"
        ],
        "properties": {
          "meta": {
            "type": "object",
            "properties": {
              "product": {
                "type": "string"
              },
              "sources": {
                "type": "array",
                "items": {
                  "type": "string"
                }
              },
              "version": {
                "type": "string"
              },
              "priceUsd": {
                "type": "number"
              }
            }
          },
          "assets": {
            "type": "object",
            "description": "Per-asset signal breakdowns keyed by uppercase ticker.",
            "additionalProperties": {
              "type": "object",
              "required": [
                "symbol",
                "price",
                "change_24h_pct",
                "rsi_14",
                "macd",
                "bollinger",
                "overall_signal",
                "signal_score"
              ],
              "properties": {
                "macd": {
                  "type": "object",
                  "properties": {
                    "line": {
                      "type": "number"
                    },
                    "signal": {
                      "type": "number"
                    },
                    "crossover": {
                      "enum": [
                        "bullish_crossover",
                        "bearish_crossover",
                        "none"
                      ],
                      "type": "string"
                    },
                    "histogram": {
                      "type": "number"
                    }
                  }
                },
                "price": {
                  "type": "number"
                },
                "rsi_14": {
                  "type": "number",
                  "maximum": 100,
                  "minimum": 0
                },
                "symbol": {
                  "type": "string"
                },
                "bollinger": {
                  "type": "object",
                  "properties": {
                    "lower": {
                      "type": "number"
                    },
                    "upper": {
                      "type": "number"
                    },
                    "middle": {
                      "type": "number"
                    },
                    "position": {
                      "type": "number",
                      "maximum": 1,
                      "minimum": 0
                    }
                  }
                },
                "funding_rate": {
                  "type": [
                    "number",
                    "null"
                  ]
                },
                "signal_score": {
                  "type": "integer",
                  "maximum": 3,
                  "minimum": -3
                },
                "change_24h_pct": {
                  "type": "number"
                },
                "overall_signal": {
                  "enum": [
                    "buy",
                    "hold",
                    "sell"
                  ],
                  "type": "string"
                }
              }
            }
          },
          "timestamp": {
            "type": "string",
            "format": "date-time"
          },
          "methodology": {
            "type": "string"
          }
        }
      }
    },
    "maxAmountRequired": "8000",
    "maxTimeoutSeconds": 60
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET"
      },
      "output": {
        "type": "object"
      }
    },
    "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"
            }
          }
        },
        "output": {
          "type": "object",
          "required": [
            "type"
          ],
          "properties": {
            "type": {
              "type": "string"
            }
          }
        }
      }
    }
  }
}

Provenance

Seen in the source catalog
2026-07-26 04:29Z
Last indexed by Roundhouse
2026-08-25 04:10Z
Last enriched (probe, favicon, geo)
2026-09-10 03:15Z
x402 version
1
Max timeout
60s
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. 11 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 horizon-pulse.vercel.app 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=horizon-pulse.vercel.app'
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://horizon-pulse.vercel.app/api/signals, 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.