Stock Trends Market Intelligence

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",
  "detail": "Payment is required to access this endpoint.",
  "pricing": {
    "unit": "request",
    "token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "scheme": "exact",
    "network": "eip155:8453",
    "amount_usd": "0.050000"
  },
  "protocol": "x402",
  "resource": "https://api.stocktrends.com/v1/selections/latest",
  "payment_required": {
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2",
          "resource": {
            "url": "https://api.stocktrends.com/v1/selections/latest",
            "tags": [
              "finance",
              "equities",
              "stock-selection",
              "probabilistic-ranking",
              "forward-returns"
            ],
            "iconUrl": "https://developer.stocktrends.com/images/stmi-icon.png",
            "mimeType": "application/json",
            "description": "Latest base ST-IM selection universe ranked by prob13wk descending, without the published STIM Select threshold filter.",
            "serviceName": "Stock Trends Market Intelligence"
          }
        },
        "payTo": "0xAEeb8EaBdC05532a26123045f99D208EB1cC00ab",
        "amount": "50000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://api.stocktrends.com/v1/selections/latest",
      "tags": [
        "finance",
        "equities",
        "stock-selection",
        "probabilistic-ranking",
        "forward-returns"
      ],
      "iconUrl": "https://developer.stocktrends.com/images/stmi-icon.png",
      "mimeType": "application/json",
      "description": "Latest base ST-IM selection universe ranked by prob13wk descending, without the published STIM Select threshold filter.",
      "serviceName": "Stock Trends Market Intelligence"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "role": "probabilistic_selection_universe",
          "input": {
            "type": "http",
            "method": "GET",
            "queryParams": {
              "limit": 25,
              "include_data": false
            }
          },
          "title": "Selections Latest",
          "family": "selections",
          "output": {
            "type": "json",
            "format": "application/json",
            "example": {
              "request_id": "req_demo"
            }
          },
          "category": "selections",
          "provider": {
            "provider_id": "stim",
            "provider_name": "Stock Trends Inference Model",
            "provider_role": "current_baseline_inference_provider",
            "provider_profile_endpoint": "/v1/meta/stim",
            "future_causal_ai_compatible": true,
            "not_final_intelligence_layer": true
          },
          "schemaUrl": "https://api.stocktrends.com/v1/ai/tools",
          "description": "Latest base ST-IM selection universe ranked by prob13wk descending, without the published STIM Select threshold filter.",
          "metadataUrl": "https://api.stocktrends.com/v1/ai/context",
          "tools_manifest": "https://api.stocktrends.com/v1/ai/tools",
          "pricing_catalog": "https://api.stocktrends.com/v1/pricing/catalog",
          "inference_contract": "/v1/meta/inference",
          "provenance_reference": {
            "semantic_continuity": "Stock Trends indicators use a consistent classification doctrine across decades of observations.",
            "interpretation_limit": "Historical depth supports research and probabilistic interpretation but does not guarantee future performance.",
            "full_metadata_endpoints": [
              "/v1/ai/context",
              "/v1/meta/indicators",
              "/v1/meta/stim"
            ],
            "classification_framework": "Stock Trends trend classification methodology",
            "approximate_observation_count": "16M+",
            "historical_coverage_start_year": 1980
          }
        },
        "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": {
                    "limit": {
                      "type": "integer",
                      "default": 2000,
                      "maximum": 20000,
                      "minimum": 1
                    },
                    "cs_only": {
                      "type": "boolean",
                      "default": true
                    },
                    "exchange": {
                      "enum": [
                        "N",
                        "Q",
                        "A",
                        "B",
                        "T",
                        "I"
                      ],
                      "type": "string"
                    },
                    "include_data": {
                      "type": "boolean",
                      "default": false
                    },
                    "include_mast": {
                      "type": "boolean",
                      "default": false
                    },
                    "min_prob13wk": {
                      "type": "number"
                    }
                  },
                  "additionalProperties": false
                }
              },
              "additionalProperties": false
            },
            "title": {
              "type": "string"
            },
            "family": {
              "type": "string"
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string",
                  "const": "json"
                },
                "format": {
                  "type": "string"
                },
                "example": {}
              },
              "description": "Latest base ST-IM selection universe ranked by prob13wk descending.",
              "additionalProperties": true
            },
            "category": {
              "type": "string"
            },
            "schemaUrl": {
              "type": "string"
            },
            "description": {
              "type": "string"
            },
            "metadataUrl": {
              "type": "string"
            },
            "tools_manifest": {
              "type": "string"
            },
            "pricing_catalog": {
              "type": "string"
            }
          },
          "additionalProperties": true
        }
      }
    },
    "x402Version": 2
  },
  "stocktrends_preview": {
    "notes": [
      "No published threshold filter is applied unless min_prob13wk is set.",
      "Use /v1/selections/published/latest for the documented three-horizon published STIM Select definition."
    ],
    "pricing": {
      "unit": "request",
      "stc_cost": "0.050000",
      "cost_source": "/v1/pricing/catalog",
      "pricing_rule_id": "selections_latest_paid",
      "effective_price_usd": "0.050000"
    },
    "endpoint": {
      "path": "/v1/selections/latest",
      "method": "GET",
      "purpose": "Retrieve latest base selection records ranked by prob13wk.",
      "category": "selections",
      "access_type": "paid",
      "workflow_role": "Selection universe discovery.",
      "requires_payment": true
    },
    "input_rule": null,
    "example_object": {
      "data": [
        {
          "prob13wk": 0,
          "symbol_exchange": "SAMPLE-N"
        }
      ],
      "count": 1,
      "weekdate": "YYYY-MM-DD",
      "request_id": "req_demo"
    },
    "input_location": "query",
    "output_summary": "Latest base ST-IM selection universe ranked by prob13wk descending.",
    "response_shape": [
      "request_id",
      "weekdate",
      "exchange",
      "min_prob13wk",
      "include_data",
      "include_mast",
      "cs_only",
      "count",
      "data[].weekdate",
      "data[].exchange",
      "data[].symbol",
      "data[].prob13wk",
      "data[].symbol_exchange"
    ],
    "analytical_role": "probabilistic_selection_universe",
    "optional_inputs": {
      "limit": {
        "type": "integer",
        "maximum": 20000,
        "minimum": 1,
        "required": false,
        "safe_default": 2000,
        "input_location": "query",
        "parameter_source": "query"
      },
      "cs_only": {
        "type": "boolean",
        "example": true,
        "required": false,
        "description": "Filter to Common Stocks only where the endpoint supports instrument type filtering.",
        "safe_default": true,
        "input_location": "query",
        "parameter_source": "query"
      },
      "exchange": {
        "enum": [
          "N",
          "Q",
          "A",
          "B",
          "T",
          "I"
        ],
        "type": "string",
        "example": "N",
        "required": false,
        "description": "Stock Trends exchange suffix. Common examples: N=NYSE, Q=NASDAQ, A=AMEX, T=TSX.",
        "input_location": "query",
        "parameter_source": "query"
      },
      "include_data": {
        "type": "boolean",
        "required": false,
        "safe_default": false,
        "input_location": "query",
        "parameter_source": "query"
      },
      "include_mast": {
        "type": "boolean",
        "required": false,
        "safe_default": false,
        "input_location": "query",
        "parameter_source": "query"
      },
      "min_prob13wk": {
        "type": "number",
        "example": 0.55,
        "required": false,
        "description": "Optional probability threshold.",
        "input_location": "query",
        "parameter_source": "query"
      }
    },
    "required_inputs": {},
    "supported_rails": [
      "subscription",
      "x402",
      "mpp"
    ],
    "parameter_source": "query",
    "related_endpoints": [
      "/v1/selections/published/latest",
      "/v1/selections/history"
    ],
    "inference_contract": {
      "endpoint": "/v1/meta/inference",
      "core_concepts": [
        "inference_provider",
        "forecast_horizon",
        "probability_distribution",
        "confidence_measure",
        "evidence",
        "uncertainty",
        "explanation",
        "signal_source",
        "reasoning_interpretation"
      ],
      "provider_agnostic": true
    },
    "inference_provider": {
      "provider_id": "stim",
      "provider_name": "Stock Trends Inference Model",
      "provider_role": "current_baseline_inference_provider",
      "provider_profile_endpoint": "/v1/meta/stim",
      "future_causal_ai_compatible": true,
      "not_final_intelligence_layer": true
    },
    "evaluation_guidance": "Before deciding whether to acquire this data, inspect the task-relevant public capability (/.well-known/x402), interpretation, evidence, and pricing resources. Those are separate categories, availability is not evidence of usefulness, and none of them require payment. Full statement: /v1/ai/context (acquisition_evaluation_guidance).",
    "provenance_reference": {
      "semantic_continuity": "Stock Trends indicators use a consistent classification doctrine across decades of observations.",
      "interpretation_limit": "Historical depth supports research and probabilistic interpretation but does not guarantee future performance.",
      "full_metadata_endpoints": [
        "/v1/ai/context",
        "/v1/meta/indicators",
        "/v1/meta/stim"
      ],
      "classification_framework": "Stock Trends trend classification methodology",
      "approximate_observation_count": "16M+",
      "historical_coverage_start_year": 1980
    },
    "safe_example_request": {
      "path": "/v1/selections/latest",
      "query": {
        "limit": 25,
        "include_data": false
      },
      "method": "GET"
    },
    "cognition_architecture": "docs/STOCK_TRENDS_COGNITION_ARCHITECTURE.md",
    "investment_agent_value": "Lets agents inspect the broad selection universe before applying published STIM Select criteria or joining signal fields.",
    "next_recommended_calls": [
      "/v1/selections/published/latest",
      "/v1/indicators/latest"
    ],
    "evaluation_guidance_source": "/v1/ai/context"
  },
  "accepted_payment_methods": [
    "subscription",
    "x402",
    "mpp"
  ]
}

Accepts

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

[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2",
      "resource": {
        "url": "https://api.stocktrends.com/v1/selections/latest",
        "tags": [
          "finance",
          "equities",
          "stock-selection",
          "probabilistic-ranking",
          "forward-returns"
        ],
        "iconUrl": "https://developer.stocktrends.com/images/stmi-icon.png",
        "mimeType": "application/json",
        "description": "Latest base ST-IM selection universe ranked by prob13wk descending, without the published STIM Select threshold filter.",
        "serviceName": "Stock Trends Market Intelligence"
      }
    },
    "payTo": "0xAEeb8EaBdC05532a26123045f99D208EB1cC00ab",
    "amount": "50000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 300
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "role": "probabilistic_selection_universe",
      "input": {
        "type": "http",
        "method": "GET",
        "queryParams": {
          "limit": 25,
          "include_data": false
        }
      },
      "title": "Selections Latest",
      "family": "selections",
      "output": {
        "type": "json",
        "format": "application/json",
        "example": {
          "request_id": "req_demo"
        }
      },
      "category": "selections",
      "provider": {
        "provider_id": "stim",
        "provider_name": "Stock Trends Inference Model",
        "provider_role": "current_baseline_inference_provider",
        "provider_profile_endpoint": "/v1/meta/stim",
        "future_causal_ai_compatible": true,
        "not_final_intelligence_layer": true
      },
      "schemaUrl": "https://api.stocktrends.com/v1/ai/tools",
      "description": "Latest base ST-IM selection universe ranked by prob13wk descending, without the published STIM Select threshold filter.",
      "metadataUrl": "https://api.stocktrends.com/v1/ai/context",
      "tools_manifest": "https://api.stocktrends.com/v1/ai/tools",
      "pricing_catalog": "https://api.stocktrends.com/v1/pricing/catalog",
      "inference_contract": "/v1/meta/inference",
      "provenance_reference": {
        "semantic_continuity": "Stock Trends indicators use a consistent classification doctrine across decades of observations.",
        "interpretation_limit": "Historical depth supports research and probabilistic interpretation but does not guarantee future performance.",
        "full_metadata_endpoints": [
          "/v1/ai/context",
          "/v1/meta/indicators",
          "/v1/meta/stim"
        ],
        "classification_framework": "Stock Trends trend classification methodology",
        "approximate_observation_count": "16M+",
        "historical_coverage_start_year": 1980
      }
    },
    "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": {
                "limit": {
                  "type": "integer",
                  "default": 2000,
                  "maximum": 20000,
                  "minimum": 1
                },
                "cs_only": {
                  "type": "boolean",
                  "default": true
                },
                "exchange": {
                  "enum": [
                    "N",
                    "Q",
                    "A",
                    "B",
                    "T",
                    "I"
                  ],
                  "type": "string"
                },
                "include_data": {
                  "type": "boolean",
                  "default": false
                },
                "include_mast": {
                  "type": "boolean",
                  "default": false
                },
                "min_prob13wk": {
                  "type": "number"
                }
              },
              "additionalProperties": false
            }
          },
          "additionalProperties": false
        },
        "title": {
          "type": "string"
        },
        "family": {
          "type": "string"
        },
        "output": {
          "type": "object",
          "required": [
            "type"
          ],
          "properties": {
            "type": {
              "type": "string",
              "const": "json"
            },
            "format": {
              "type": "string"
            },
            "example": {}
          },
          "description": "Latest base ST-IM selection universe ranked by prob13wk descending.",
          "additionalProperties": true
        },
        "category": {
          "type": "string"
        },
        "schemaUrl": {
          "type": "string"
        },
        "description": {
          "type": "string"
        },
        "metadataUrl": {
          "type": "string"
        },
        "tools_manifest": {
          "type": "string"
        },
        "pricing_catalog": {
          "type": "string"
        }
      },
      "additionalProperties": true
    }
  }
}

Provenance

Seen in the source catalog

2026-09-25 03:01Z

Last indexed by Roundhouse

2026-09-25 16:50Z

Last enriched (probe, favicon, geo)

2026-09-20 21:15Z

x402 version

2

Max timeout

300s

Liveness probe

HTTP 402