Properties
| Name | Type | Description |
|---|---|---|
| category | stringnull | The category asked for, or null for the whole market. |
| index | object | With a category: its index. |
| sales | object | With a category: its sales over 7 and 30 days. |
| movers | object | With a category: the 5 biggest rising and falling cards (GET /api/v1/market/movers). |
| indexes | array | Without a category: every category index. |
| gainers7d | array | Without a category: the 3 biggest 7-day gainers. |
| losers7d | array | Without a category: the 3 biggest 7-day losers. |
| playerIndexes | object | The 5 biggest 7-day rises and falls among player indexes with at least 25 sales in 30 days and 10 basket cards. |
| updatedAt | stringnull | When the indexes were last read. |
JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "https://artifacts.apis.io/hobbycardindex-com/json-schema/hobbycardindex-com-market-summary-schema.json",
"title": "MarketSummary",
"x-generated": "2026-11-11",
"x-method": "derived",
"x-generator": "derive-json-schema.py",
"x-source": "openapi/hobbycardindex-com-openapi.json#/components/schemas/MarketSummary",
"type": "object",
"properties": {
"category": {
"type": [
"string",
"null"
],
"description": "The category asked for, or null for the whole market."
},
"index": {
"anyOf": [
{
"$ref": "#/$defs/MarketIndex"
},
{
"type": "null"
}
],
"description": "With a category: its index."
},
"sales": {
"anyOf": [
{
"$ref": "#/$defs/IndexSales"
},
{
"type": "null"
}
],
"description": "With a category: its sales over 7 and 30 days."
},
"movers": {
"anyOf": [
{
"type": "object",
"properties": {
"period": {
"type": "string",
"description": "`7 days`."
},
"up": {
"type": "array",
"items": {
"$ref": "#/$defs/Mover"
}
},
"down": {
"type": "array",
"items": {
"$ref": "#/$defs/Mover"
}
},
"updatedAt": {
"type": [
"string",
"null"
],
"format": "date-time",
"description": "When the movers list was rebuilt."
}
}
},
{
"type": "null"
}
],
"description": "With a category: the 5 biggest rising and falling cards (GET /api/v1/market/movers)."
},
"indexes": {
"type": "array",
"items": {
"$ref": "#/$defs/MarketIndex"
},
"description": "Without a category: every category index."
},
"gainers7d": {
"type": "array",
"items": {
"$ref": "#/$defs/MarketIndex"
},
"description": "Without a category: the 3 biggest 7-day gainers."
},
"losers7d": {
"type": "array",
"items": {
"$ref": "#/$defs/MarketIndex"
},
"description": "Without a category: the 3 biggest 7-day losers."
},
"playerIndexes": {
"type": "object",
"properties": {
"up": {
"type": "array",
"items": {
"$ref": "#/$defs/MarketIndex"
}
},
"down": {
"type": "array",
"items": {
"$ref": "#/$defs/MarketIndex"
}
}
},
"required": [
"up",
"down"
],
"description": "The 5 biggest 7-day rises and falls among player indexes with at least 25 sales in 30 days and 10 basket cards."
},
"updatedAt": {
"type": [
"string",
"null"
],
"format": "date-time",
"description": "When the indexes were last read."
}
},
"required": [
"category",
"playerIndexes"
],
"$defs": {
"IndexChange": {
"type": "object",
"properties": {
"1d": {
"type": [
"number",
"null"
],
"description": "Percent change from the newest value on or before 1 day before `date`; null when the index is younger."
},
"7d": {
"type": [
"number",
"null"
],
"description": "Percent change over 7 days."
},
"30d": {
"type": [
"number",
"null"
],
"description": "Percent change over 30 days."
}
}
},
"IndexSales": {
"type": "object",
"properties": {
"last7d": {
"type": [
"integer",
"null"
],
"description": "Sales in the 7 days through `throughDate`."
},
"last30d": {
"type": [
"integer",
"null"
],
"description": "Sales in the 30 days through `throughDate`."
},
"dollarVolume7d": {
"type": [
"number",
"null"
],
"description": "Those 7 days' sales in US dollars."
},
"dollarVolume30d": {
"type": [
"number",
"null"
],
"description": "Those 30 days' sales in US dollars."
},
"throughDate": {
"type": [
"string",
"null"
],
"description": "The last day counted (YYYY-MM-DD). Verified sold sales by the day they sold; the counts grow as we add marketplaces."
}
}
},
"MarketIndex": {
"type": "object",
"properties": {
"id": {
"type": "string",
"description": "The index id the other index endpoints take: a category id (`pokemon`) or `player-` plus the player (`player-shohei-ohtani`)."
},
"type": {
"type": "string",
"description": "`category` or `player`.",
"enum": [
"category",
"player"
]
},
"name": {
"type": "string",
"description": "The category or player name."
},
"category": {
"type": [
"string",
"null"
],
"description": "The category id; a player's is the category of the top card in the basket."
},
"date": {
"type": "string",
"description": "The day of the latest value (YYYY-MM-DD)."
},
"value": {
"type": "number",
"description": "The latest index value."
},
"change": {
"$ref": "#/$defs/IndexChange"
},
"basketSize": {
"type": [
"integer",
"null"
],
"description": "Cards in the basket."
},
"sales": {
"anyOf": [
{
"$ref": "#/$defs/IndexSales"
},
{
"type": "null"
}
]
},
"methodology": {
"type": [
"string",
"null"
],
"description": "How the index is built, in one sentence."
}
},
"required": [
"id",
"type",
"name",
"date",
"value",
"change"
]
},
"Mover": {
"type": "object",
"properties": {
"id": {
"type": "integer"
},
"externalId": {
"type": [
"string",
"null"
],
"description": "Secondary id."
},
"name": {
"type": "string",
"description": "Card name."
},
"playerName": {
"type": [
"string",
"null"
],
"description": "Player or character."
},
"year": {
"type": [
"integer",
"null"
],
"description": "Year."
},
"setName": {
"type": [
"string",
"null"
],
"description": "Set name."
},
"cardNumber": {
"type": [
"string",
"null"
],
"description": "Card number."
},
"parallel": {
"type": "string",
"description": "The parallel, or `Base`."
},
"category": {
"type": "string",
"description": "The category."
},
"imageUrl": {
"type": [
"string",
"null"
],
"description": "Picture through our image link, or null.",
"format": "uri"
},
"direction": {
"type": "string",
"enum": [
"up",
"down"
]
},
"priceChangePct": {
"type": "number",
"description": "How far the average raw price moved over the period, as a percentage, one decimal."
},
"price": {
"type": [
"number",
"null"
],
"description": "The current raw price."
},
"averagePrice": {
"type": [
"number",
"null"
],
"description": "The average raw price over the period."
},
"prices": {
"type": "object",
"properties": {
"loose": {
"type": [
"number",
"null"
],
"description": "Raw"
},
"psa10": {
"type": [
"number",
"null"
],
"description": "PSA 10"
},
"psa9": {
"type": [
"number",
"null"
],
"description": "PSA 9"
}
}
},
"hciUrl": {
"type": [
"string",
"null"
],
"description": "The card's page on hobbycardindex.com.",
"format": "uri"
}
},
"required": [
"id",
"name",
"direction",
"priceChangePct"
]
}
}
}Work with this as data
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