Rank the fastest-accelerating research topics across ~4,500 OpenAlex topics, weekly — retu
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.
50000 (raw units)
price
1
calls / 30d
1
unique payers
2026-09-02
updated
Provider
answerpool.io · discovered, not yet claimed by its owner
Payment (x402 accepts[])
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]Output schema
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"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
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"description": "Only topics flagged emerging (high momentum, below-median size).",
"title": "Emerging Only",
"type": "boolean"
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"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"
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"min_works": {
"default": 50,
"description": "Minimum works in the last complete year (filters noise).",
"minimum": 1,
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"topics": {
"items": {
"properties": {
"acceleration_3y": {
"anyOf": [
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"title": "Acceleration 3Y"
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"decile_growth_3y": {
"anyOf": [
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],
"title": "Decile Growth 3Y"
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"field": {
"anyOf": [
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],
"title": "Field"
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"title": "Growth 1Y"
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"growth_3y": {
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"growth_5y": {
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{
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],
"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": [
{
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{
"type": "null"
}
],
"title": "Rank"
},
"subfield": {
"anyOf": [
{
"type": "string"
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{
"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"
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},
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],
"title": "TopicScore",
"type": "object"
},
"title": "Topics",
"type": "array"
},
"universe_size": {
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"type": "integer"
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},
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}Use it
curl
curl "https://answerpool.io/v1/technology/emerging" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://answerpool.io/v1/technology/emerging");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://answerpool.io/v1/technology/emerging")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/7787.json, and this resource appears in /discovery/resources and /discovery/search.