{
  "x402Version": 2,
  "id": 7787,
  "slug": "7787",
  "resource": "https://answerpool.io/v1/technology/emerging",
  "description": "Rank the fastest-accelerating research topics across ~4,500 OpenAlex topics, weekly — returns rank, momentum z-score, growth, acceleration and citation-quality growth per topic, filterable by field. Use to find what is accelerating.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xb3ba3Ca99F9742b32fC527CF62688C83b39AED8c",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "50000",
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "type": "http"
        },
        "output": {
          "example": {
            "computed_at": "2026-08-24T06:00:00Z",
            "data_as_of": "2026-08-24",
            "last_full_year": 2025,
            "method_id": "technology_momentum_stat_v1",
            "scan_id": "scan_2026w35",
            "topics": [
              {
                "acceleration_3y": 0.6,
                "decile_growth_3y": 1.4,
                "field": "Physical Sciences",
                "growth_1y": 0.38,
                "growth_3y": 1.9,
                "growth_5y": 3.2,
                "is_emerging": true,
                "momentum_stat": 3.41,
                "name": "Quantum error correction",
                "rank": 3,
                "subfield": "Condensed Matter Physics",
                "topic_id": "T12026",
                "works_10y": 6210,
                "works_last_full_year": 1841
              }
            ],
            "universe_size": 4516
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET",
                  "HEAD",
                  "DELETE"
                ],
                "type": "string"
              },
              "queryParams": {
                "additionalProperties": false,
                "properties": {
                  "emerging_only": {
                    "default": false,
                    "description": "Only topics flagged emerging (high momentum, below-median size).",
                    "title": "Emerging Only",
                    "type": "boolean"
                  },
                  "field": {
                    "anyOf": [
                      {
                        "maxLength": 80,
                        "type": "string"
                      },
                      {
                        "type": "null"
                      }
                    ],
                    "default": null,
                    "description": "Restrict to an OpenAlex field name, e.g. 'Engineering', 'Medicine'.",
                    "title": "Field"
                  },
                  "limit": {
                    "default": 25,
                    "description": "Number of ranked topics to return.",
                    "maximum": 100,
                    "minimum": 1,
                    "title": "Limit",
                    "type": "integer"
                  },
                  "min_works": {
                    "default": 50,
                    "description": "Minimum works in the last complete year (filters noise).",
                    "minimum": 1,
                    "title": "Min Works",
                    "type": "integer"
                  }
                },
                "title": "EmergingInput",
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "computed_at": {
                    "title": "Computed At",
                    "type": "string"
                  },
                  "data_as_of": {
                    "title": "Data As Of",
                    "type": "string"
                  },
                  "disclaimer": {
                    "default": "Statistical ranking over OpenAlex (CC0) publication counts; an estimate, not ground truth.",
                    "title": "Disclaimer",
                    "type": "string"
                  },
                  "last_full_year": {
                    "title": "Last Full Year",
                    "type": "integer"
                  },
                  "method_id": {
                    "default": "technology_momentum_stat_v1",
                    "title": "Method Id",
                    "type": "string"
                  },
                  "scan_id": {
                    "title": "Scan Id",
                    "type": "string"
                  },
                  "topics": {
                    "items": {
                      "properties": {
                        "acceleration_3y": {
                          "anyOf": [
                            {
                              "type": "number"
                            },
                            {
                              "type": "null"
                            }
                          ],
                          "title": "Acceleration 3Y"
                        },
                        "decile_growth_3y": {
                          "anyOf": [
                            {
                              "type": "number"
                            },
                            {
                              "type": "null"
                            }
                          ],
                          "title": "Decile Growth 3Y"
                        },
                        "field": {
                          "anyOf": [
                            {
                              "type": "string"
                            },
                            {
                              "type": "null"
                            }
                          ],
                          "title": "Field"
                        },
                        "growth_1y": {
                          "anyOf": [
                            {
                              "type": "number"
                            },
                            {
                              "type": "null"
                            }
                          ],
                          "title": "Growth 1Y"
                        },
                        "growth_3y": {
                          "anyOf": [
                            {
                              "type": "number"
                            },
                            {
                              "type": "null"
                            }
                          ],
                          "title": "Growth 3Y"
                        },
                        "growth_5y": {
                          "anyOf": [
                            {
                              "type": "number"
                            },
                            {
                              "type": "null"
                            }
                          ],
                          "title": "Growth 5Y"
                        },
                        "is_emerging": {
                          "title": "Is Emerging",
                          "type": "boolean"
                        },
                        "momentum_stat": {
                          "anyOf": [
                            {
                              "type": "number"
                            },
                            {
                              "type": "null"
                            }
                          ],
                          "description": "Universe z-score blend of 3y growth, acceleration and lagged top-decile growth (method technology_momentum_stat_v1).",
                          "title": "Momentum Stat"
                        },
                        "name": {
                          "anyOf": [
                            {
                              "type": "string"
                            },
                            {
                              "type": "null"
                            }
                          ],
                          "title": "Name"
                        },
                        "rank": {
                          "anyOf": [
                            {
                              "type": "integer"
                            },
                            {
                              "type": "null"
                            }
                          ],
                          "title": "Rank"
                        },
                        "subfield": {
                          "anyOf": [
                            {
                              "type": "string"
                            },
                            {
                              "type": "null"
                            }
                          ],
                          "title": "Subfield"
                        },
                        "topic_id": {
                          "title": "Topic Id",
                          "type": "string"
                        },
                        "works_10y": {
                          "title": "Works 10Y",
                          "type": "integer"
                        },
                        "works_last_full_year": {
                          "title": "Works Last Full Year",
                          "type": "integer"
                        }
                      },
                      "required": [
                        "topic_id",
                        "name",
                        "field",
                        "subfield",
                        "rank",
                        "momentum_stat",
                        "growth_1y",
                        "growth_3y",
                        "growth_5y",
                        "acceleration_3y",
                        "decile_growth_3y",
                        "works_last_full_year",
                        "works_10y",
                        "is_emerging"
                      ],
                      "title": "TopicScore",
                      "type": "object"
                    },
                    "title": "Topics",
                    "type": "array"
                  },
                  "universe_size": {
                    "title": "Universe Size",
                    "type": "integer"
                  }
                },
                "required": [
                  "scan_id",
                  "computed_at",
                  "data_as_of",
                  "last_full_year",
                  "universe_size",
                  "topics"
                ],
                "title": "EmergingOutput",
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "answerpool.io",
  "lastUpdated": "2026-09-02T22:26:44.406Z",
  "quality": {
    "calls30d": 1,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-09-02T22:26:44.159Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "answerpool.io",
    "manifest_name": "answerpool.io",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}