Rare Index Data API

Alternative Asset Data Infrastructure

Name: Rare Index Collectibles Market Dataset
Creator: Rare Index
License: https://www.therareindex.com/methodology

Programmatic access to daily prices, confidence scores, liquidity signals, and auction intelligence across 633,000+ collectible assets.

API Access: Request Early Access

Portfolio Valuation

Daily pricing for insurance, lending, and portfolio reporting workflows.

Quantitative Research

Index series, correlation data, and volatility metrics for systematic strategy development.

Platform Integration

Embed Rare Index pricing and intelligence into existing wealth management or fintech platforms.

Example Endpoints

GET /api/v1/assets/{asset_id}

Returns current price, confidence score, source, category, and liquidity tier for a single asset.

GET /api/v1/market/indices

Returns daily index values across all RI categories with benchmark comparisons.

GET /api/v1/watch-auctions/reference-liquidity-score?reference={ref}

Returns RI Liquidity Score (0-100), tier classification, and auction market context for a watch reference.

GET /api/v1/market/correlation-matrix

Returns rolling 12-month correlation coefficients between RI indices and traditional benchmarks.

Sample Response

json

{
  "item_id": "ri_ref_rolex_116500",
  "current_price": 39420,
  "confidence_score": 0.88,
  "source": "watchcharts",
  "category": "watches",
  "liquidity_score": 39.5,
  "liquidity_tier": "Medium",
  "liquidity_context": "auction_market",
  "last_updated": "2026-03-17"
}

Data Coverage

Category	Assets	Sources	Update Frequency
Trading Cards	504,000+	11	Daily
Watches	10,600+	6	Daily
Toys & Collectibles	10,200+	7	Daily
Video Games	100,200+	1	Daily
Wine	Coming Soon	Liv-ex	TBD

Request API Access

The Rare Index Data API is currently available to institutional partners and qualified developers. Submit a request to discuss data needs, pricing, and integration requirements.

Existing platform users can access the API via their account settings once access is approved.