Api Endpoint

draconic21 Signal Topic Trace

One Daily Agent Signal thread's path across stored editions: each date, rank, vs_prior, headline, judgment, action hint. Body { id } (from signal_latest/continuity) or { topic } (exact tag, 09-19..09-25 editions only), days 1..90. Bad body or no match: free 400/404 with sample ids, no charge.

Open interactive test console

Offering

Provider
draconic21-x402-api.onrender.com
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Prediction Markets
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://draconic21-x402-api.onrender.com/v1/signal_topic_trace
MIME type
application/json
First seen
2026-10-16T01:50:32.458Z
Last seen
Tags
agent-economy, topic-search, mention-history, daily-brief, trace

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.06 USDC
Atomic price: 60000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
0.06 USDC
Atomic price: 60000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "60000",
    "payTo": "0x1520Ef5530AA71350049BE2903Cf078B38c40AE5"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "60000",
    "payTo": "6mc4GhWFyNcMh7gAVDWrKeYjDqFtEKWKQuZ9RTw2VkfM"
  }
]

Observed health

Status
Healthy
Latest latency
110 ms
Average latency
242 ms
HTTP status
204
Last checked
Reachability
100% over 6 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "POST"
      ]
    },
    "bodyType": {
      "type": "string",
      "enum": [
        "json",
        "form-data",
        "text"
      ]
    },
    "body": {
      "type": "object",
      "properties": {
        "id": {
          "type": "string",
          "maxLength": 120,
          "description": "Signal id (send id or topic)"
        },
        "topic": {
          "type": "string",
          "maxLength": 80,
          "description": "Exact topic tag"
        },
        "days": {
          "type": "integer",
          "minimum": 1,
          "maximum": 90,
          "description": "Default 90"
        }
      },
      "required": [],
      "additionalProperties": true
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string"
    },
    "example": {
      "type": "object",
      "required": [
        "schema",
        "query",
        "archive_day_count",
        "archive_latest",
        "window",
        "matched_dates",
        "signal_count",
        "traces",
        "disclaimer"
      ],
      "properties": {
        "schema": {
          "type": "string"
        },
        "brand": {
          "type": "string"
        },
        "product": {
          "type": "string"
        },
        "query": {
          "type": "object",
          "properties": {
            "mode": {
              "type": "string",
              "enum": [
                "topic",
                "id"
              ]
            },
            "topic": {
              "type": [
                "string",
                "null"
              ]
            },
            "id": {
              "type": [
                "string",
                "null"
              ]
            }
          }
        },
        "archive_day_count": {
          "type": "integer"
        },
        "archive_earliest": {
          "type": "string"
        },
        "archive_latest": {
          "type": "string"
        },
        "window": {
          "type": "object",
          "properties": {
            "requested_days": {
              "type": "integer"
            },
            "days_in_window": {
              "type": "integer"
            },
            "dates": {
              "type": "array",
              "items": {
                "type": "string"
              }
            }
          }
        },
        "matched_dates": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "matched_day_count": {
          "type": "integer"
        },
        "signal_count": {
          "type": "integer"
        },
        "traces": {
          "type": "array",
          "items": {
            "type": "object",
            "required": [
              "id",
              "first_seen",
              "last_seen",
              "days_present",
              "trajectory",
              "ranks",
              "vs_prior_path",
              "appearances"
            ],
            "properties": {
              "id": {
                "type": "string"
              },
              "first_seen": {
                "type": "string"
              },
              "last_seen": {
                "type": "string"
              },
              "days_present": {
                "type": "integer"
              },
              "coverage_ratio": {
                "type": "number"
              },
              "trajectory": {
                "type": "string",
                "enum": [
                  "stable",
                  "rising",
                  "new",
                  "fading",
                  "intermittent",
                  "seed"
                ]
              },
              "rank_delta": {
                "type": [
                  "integer",
                  "null"
                ]
              },
              "headline_drift": {
                "type": "boolean"
              },
              "judgment_drift": {
                "type": "boolean"
              },
              "ranks": {
                "type": "array",
                "items": {
                  "type": "object"
                }
              },
              "vs_prior_path": {
                "type": "array",
                "items": {
                  "type": "object"
                }
              },
              "headlines": {
                "type": "array",
                "items": {
                  "type": "object"
                }
              },
              "judgments": {
                "type": "array",
                "items": {
                  "type": "object"
                }
              },
              "action_hints": {
                "type": "array",
                "items": {
                  "type": "object"
                }
              },
              "appearances": {
                "type": "array",
                "items": {
                  "type": "object",
                  "properties": {
                    "date": {
                      "type": "string"
                    },
                    "rank": {
                      "type": [
                        "integer",
                        "null"
                      ]
                    },
                    "headline": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "judgment": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "vs_prior": {
                      "type": [
                        "string",
                        "null"
                      ]
                    }
                  }
                }
              },
              "topics": {
                "type": "array",
                "items": {
                  "type": "string"
                }
              },
              "confidence_latest": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "headline_latest": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "judgment_latest": {
                "type": [
                  "string",
                  "null"
                ]
              }
            }
          }
        },
        "summary": {
          "type": "object"
        },
        "moat": {
          "type": "object"
        },
        "machine": {
          "type": "object"
        },
        "disclaimer": {
          "type": "string"
        }
      }
    }
  },
  "required": [
    "type"
  ]
}