Developer Platform

HoodCar Developer Platform

The market intelligence layer for trading cards.

The Bloomberg + Plaid for collectibles.

Built for portfolio apps · dealer software · auction platforms · AI card assistants
8M+ verified sales analyzed
Fair Value Engine
Buy Scores
Liquidity Models
Price Indexes
AI Scan
Portfolio APIs
Per-grade comps
api.hoodcar.com44 ms
GET /v3/value?q=Jordan Fleer 57 PSA 10
Fair Value
$298,000
Buy Score
68 /100
Verdict
ACCUMULATE
Confidence
84%
Liquidity
High
32,143Verified Sales
54,882Live Listings
141,462Cards Tracked
$47.9MMarket Value Tracked

Market Pulse

live · graded-card market
437Sales · 24h
$378KGMV · 24h
$60,200Top sale · 7d
$47.9MValue tracked

Top movers · 24h

Jordan$5,481+0.9%
LeBron$9,093+0.4%
Luka$1,302+0.5%
Shaq$457+0.5%

Hottest categories

basketballbaseballfootballvintagesoccerpokemon

Indexed daily since 2026-05-29 across 19 categories. Pull any of it via /v1/index and /v1/movers.

Don't ship raw stats. Ship intelligence.

Every endpoint returns HoodCar's proprietary signals — not just averages. That's the moat competitors can't copy from public sold listings.

Fair Value Engine

A single defensible value per card with a p25–p75 range, min/max, and a per-grade ladder — derived from millions of verified sales.

Buy Score & Verdict

A 0–100 score and a plain-English call — Strong Buy, Accumulate, Hold, Reduce — so apps can act, not just display.

Liquidity Models

How fast a card actually trades, scored from sales velocity and spread — the difference between a price and a fill.

Confidence

Spread-based confidence on every value so downstream models know how much to trust each number.

Price Indexes

Daily category and label indexes since launch — chart the market, not just a single card.

AI Scan & Portfolio

Identify a card from an image and value an entire collection through one consistent intelligence layer.

Market data infrastructure for an entire industry

The category leaders own a layer. HoodCar owns collectibles.

Stripepayments
Twiliomessaging
Plaidbanking
Polygonstock data
HoodCarcollectibles

Three products. One data engine.

The same verified-sales intelligence powers everything from a single API call to an enterprise dashboard.

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Developer PlatformLive

Build on the market-data layer.

  • REST APIs
  • SDKs & OpenAPI 3.1
  • Webhooks
  • Browser Playground

Hood IntelligenceLive

Proprietary signals, not raw stats.

  • Fair Value Engine
  • Buy Scores
  • Verdicts
  • Portfolio Intelligence

Hood Market OSSoon

Dashboards for operators.

  • Dealer dashboards
  • Auction analytics
  • Enterprise & financial
  • Custom data feeds

Endpoints

Authenticate with x-api-key. Every response is a { meta, data } envelope. Derived analytics only — no raw listings leave the API.

EndpointReturns
GET /v3/valueFair Value, Buy Score, Verdict, Confidence, Liquidity, Last Sale, 90-day sales, per-grade ladder + matched cards.
GET /v1/valueHoodCar Value with p25/p75 range, min/max and per-grade ladder.
GET /v1/floorCurrent floor snapshot per category — avg, median, floor, listings, total value.
GET /v1/indexDaily price index time series per category & label.
GET /v1/soldAggregated sold-comp stats for a query, by grade, over a trailing window.
GET /v1/moversTop movers by recent price change.
GET /v1/categoriesDiscover valid categories & labels.

Full API Reference →

Quick Start

From zero to a Fair Value in under a minute.

terminal
curl -s https://api.hoodcar.com/v3/value \
  -H "x-api-key: hc_live_xxx" \
  --data-urlencode "q=Jordan Fleer 57" -G

# -> { "data": { "value": 6930, "buy_score": 63,
#      "confidence": 75, "liquidity": 65, ... } }
1
Get an API keyGrab a free key at hoodcar.com/get-key.
2
Call an endpointSend x-api-key and a query. Words may appear in any order.
3
Read the intelligenceUse Fair Value, Buy Score and Verdict directly in your product.
4
Try it liveOpen the Playground to run requests in the browser.

SDKs & Libraries

It's a plain REST API — call it from anything. One-click client generation from the OpenAPI spec.

cURL
JavaScript
Python
Node.js
Go · soon
Ruby · soon
PHP · soon
Java · soon

OpenAPI 3.1 spec → Get API Key