api.orcatrace.dev

Name: api.orcatrace.dev
Price: 0.03 USDC
Availability: InStock

Track smart money on Polymarket: whale tracking with a verifiable track record, market signals, daily digests, and $1 deep research. Pay-per-call in USDC on Base via x402 — no accounts, no API keys.

TradingLiveeip155:8453Exactvia cdp

https://api.orcatrace.dev/v1/signals

Settlements · 30d

416↓ 16%

No per-endpoint history for this service yet, so this is payments indexed to its PROVIDER's wallet over 30 days.

$52.86

Verified settled volume

3,910 settlements proven x402 by their on-chain EIP-3009 marker.

$0.030

Listed price

As published in the catalog. Always read the live 402 before paying.

Calls · 30d

Upstream's own call count for this endpoint, not ours.

Unique payers · 30d

Last called 2026-07-14 19:49Z

—

Upstream on-chain volume

Reported by the source catalog.

Paid to

0xf444abc53f5e1e73caec7df64d147ddb119514a0

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",
  "_sample": {
    "note": "Illustrative documented output for a paid call (not live data).",
    "output": {
      "data": [
        {
          "data": {},
          "type": "mover",
          "title": "Will the next US-Iran meeting be in Switzerland?",
          "createdAt": "2026-07-09T18:40:00.000Z",
          "feedIndex": 1042
        }
      ],
      "count": 1,
      "charged": true,
      "filters": {
        "type": "all",
        "count": 10,
        "since": 1000
      },
      "success": true
    }
  },
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0xf444abc53f5e1e73caec7df64d147ddb119514a0",
      "amount": "30000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://api.orcatrace.dev/v1/signals",
    "mimeType": "application/json",
    "description": "Paid ($0.03 USDC via x402). Batch Polymarket feed items (up to 20): quality-gated movers + order-book microstructure, whale entries with calibration, predetermined signals. Poll GET /v1/index (free), then ?since=N for new items; filter with &type=mover|whale_entry|predetermined. Compute-first / settle-after — you are never charged for an error."
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "type": "example",
            "count": 10,
            "since": 1
          }
        },
        "output": {
          "type": "json",
          "example": {
            "data": [
              {
                "data": {},
                "type": "mover",
                "title": "Will the next US-Iran meeting be in Switzerland?",
                "createdAt": "2026-07-09T18:40:00.000Z",
                "feedIndex": 1042
              }
            ],
            "count": 1,
            "charged": true,
            "filters": {
              "type": "all",
              "count": 10,
              "since": 1000
            },
            "success": true
          }
        }
      },
      "schema": {
        "type": "object",
        "$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",
                "required": [],
                "properties": {
                  "type": {
                    "type": "string",
                    "description": "Filter: mover, whale_entry, or predetermined."
                  },
                  "count": {
                    "type": "integer",
                    "maximum": 20,
                    "minimum": 1,
                    "description": "Max items (1-20, default 10)."
                  },
                  "since": {
                    "type": "integer",
                    "description": "Feed index to fetch items after (poll pattern)."
                  }
                }
              }
            },
            "additionalProperties": false
          },
          "output": {
            "type": "object",
            "required": [
              "type"
            ],
            "properties": {
              "type": {
                "type": "string"
              },
              "example": {
                "type": "object"
              }
            }
          }
        }
      }
    }
  },
  "_agent_hint": "Developer reading this in your agent's logs? This endpoint returns: Paid ($0.03 USDC via x402). One-command onboarding: https://api.orcatrace.dev/skill.md . Docs: https://api.orcatrace.dev/llms.txt",
  "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.

0.03USDC≈ $0.03 USD

on Base · exact scheme

Pay 0.03 USDC on Base to 0xf444…514a0. The signed payment is good for 5 minutes.

Paid to: 0xf444…514a0
USD Coin contract: 0x8335…02913
Payment window: 5 minutes
As published: 30000 smallest units

The catalog’s raw entry

[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0xf444abc53f5e1e73caec7df64d147ddb119514a0",
    "amount": "30000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 300
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET",
        "queryParams": {
          "type": "example",
          "count": 10,
          "since": 1
        }
      },
      "output": {
        "type": "json",
        "example": {
          "data": [
            {
              "data": {},
              "type": "mover",
              "title": "Will the next US-Iran meeting be in Switzerland?",
              "createdAt": "2026-07-09T18:40:00.000Z",
              "feedIndex": 1042
            }
          ],
          "count": 1,
          "charged": true,
          "filters": {
            "type": "all",
            "count": 10,
            "since": 1000
          },
          "success": true
        }
      }
    },
    "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",
              "required": [],
              "properties": {
                "type": {
                  "type": "string",
                  "description": "Filter: mover, whale_entry, or predetermined."
                },
                "count": {
                  "type": "integer",
                  "maximum": 20,
                  "minimum": 1,
                  "description": "Max items (1-20, default 10)."
                },
                "since": {
                  "type": "integer",
                  "description": "Feed index to fetch items after (poll pattern)."
                }
              }
            }
          },
          "additionalProperties": false
        },
        "output": {
          "type": "object",
          "required": [
            "type"
          ],
          "properties": {
            "type": {
              "type": "string"
            },
            "example": {
              "type": "object"
            }
          }
        }
      }
    }
  }
}

Provenance

Seen in the source catalog: 2026-07-14 19:49Z
Last indexed by Roundhouse: 2026-08-10 07:50Z
Last enriched (probe, favicon, geo): 2026-09-21 16:45Z
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

No per-endpoint history for this service yet, so this is payments indexed to its PROVIDER's wallet over 30 days. 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 api.orcatrace.dev 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.orcatrace.dev'
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.orcatrace.dev/v1/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.