PokéGemGrader
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Developer API

Grade at scale

Integrate AI card grading directly into your app, marketplace, or tool. RESTful JSON API with webhook support.

99.9%

Uptime SLA

< 3s

Avg response time

100

Free trial requests

Quick Start

Get started in minutes

Authenticate with your API key and start grading cards with a single HTTP request.

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curl -X POST https://api.pokegemhq.com/v1/grade \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: multipart/form-data" \
  -F "image=@card_front.jpg" \
  -F "standards=psa,bgs,cgc,sgc"

Response Schema

Example response

Every grading request returns a structured JSON object with grades, subgrades, and detailed analysis.

200 OK · application/json
{
  "id": "grade_8a7f3b2c1d",
  "card": "Charizard Holo · Base Set · #4/102",
  "grades": {
    "psa": { "grade": 9, "label": "Mint" },
    "bgs": { "grade": 9.0, "label": "Mint", "subgrades": { "centering": 9.5, "corners": 9.0, "edges": 8.5, "surface": 9.5 } },
    "cgc": { "grade": 9, "label": "Mint" },
    "sgc": { "grade": 90, "label": "Mint" }
  },
  "analysis": {
    "centering": "52/48 L-R · 53/47 T-B",
    "corners": "Light wear on top-right",
    "edges": "Minor chipping on right edge",
    "surface": "No scratches detected"
  },
  "confidence": 0.94,
  "processing_ms": 2341
}

Endpoints

API reference

Base URL: https://api.pokegemhq.com

MethodEndpointDescription
POST/v1/gradeGrade a single card from an image
POST/v1/grade/binderGrade all cards in a binder page photo
POST/v1/identifyIdentify a card from an image (no grade)
GET/v1/setsList all tracked Pokémon TCG sets
GET/v1/historyRetrieve your grading history
POST/v1/alertsCreate a price alert for a card

Pricing

Simple, transparent pricing

Start free. Scale when you’re ready. View full pricing ›

TrialFree

$0

Start building immediately

  • 100 requests total
  • All 4 grading standards
  • JSON response
  • Community support
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Most popular
Business

$49

per month

  • 10,000 requests/month
  • All 4 grading standards
  • Webhook support
  • Binder scan API
  • Priority support
  • Full API access
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Need higher volume? See enterprise plans →

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