Card Grading Arbitrage API

API ID 13733

Find profitable trading cards to grade. Search any Pokemon, sports, or TCG card and get raw market price, PSA graded prices for grade 9 and grade 10, the spread after grading fees, and projected

API Documentation

Endpoints

Request
Search any trading card by name and receive a grading profitability analysis for each match. Every result includes the raw ungraded market price, PSA grade 9 and grade 10 sale prices, the net spread after your grading fee, projected return on investment percentage per grade, and the single best grade to target.
Endpoint ID: 31469
GET https://zylalabs.com/api/13733/card+grading+arbitrage+api/31469/card+arbitrage+lookup
INPUT PARAMETERS

Free test requests remaining: 3 of 3.


INPUT PARAMETERS

This endpoint does not require any input parameters.

API EXAMPLE RESPONSE
JSON
{
    "success": true,
    "gradingFee": 25,
    "count": 5,
    "results": [
        {
            "title": "Charizard [1st Edition] #4",
            "platform": "Pokemon Base Set",
            "cardNumber": "4",
            "rawPrice": 10100,
            "gradingFee": 25,
            "grades": {
                "grade9": {
                    "gradedPrice": 46693.05,
                    "spread": 36568.05,
                    "roi": 361.2
                },
                "grade10": {
                    "gradedPrice": 343098,
                    "spread": 332973,
                    "roi": 3288.6
                }
            },
            "best": {
                "grade": "grade10",
                "gradedPrice": 343098,
                "spread": 332973,
                "roi": 3288.6
            },
            "productUrl": "https://www.pricecharting.com/game/pokemon-base-set/charizard-1st-edition-4"
        },
        {
            "title": "Charizard #4",
            "platform": "Pokemon Base Set",
            "cardNumber": "4",
            "rawPrice": 366.25,
            "gradingFee": 25,
            "grades": {
                "grade9": {
                    "gradedPrice": 3136.61,
                    "spread": 2745.36,
                    "roi": 701.7
                },
                "grade10": {
                    "gradedPrice": 13156.09,
                    "spread": 12764.84,
                    "roi": 3262.6
                }
            },
            "best": {
                "grade": "grade10",
                "gradedPrice": 13156.09,
                "spread": 12764.84,
                "roi": 3262.6
            },
            "productUrl": "https://www.pricecharting.com/game/pokemon-base-set/charizard-4"
        },
        {
            "title": "Mega Charizard X ex #125",
            "platform": "Pokemon Phantasmal Flames",
            "cardNumber": "125",
            "rawPrice": 703.67,
            "gradingFee": 25,
            "grades": {
                "grade9": {
                    "gradedPrice": 700,
                    "spread": -28.67,
                    "roi": -3.9
                },
                "grade10": {
                    "gradedPrice": 1852.5,
                    "spread": 1123.83,
                    "roi": 154.2
                }
            },
            "best": {
                "grade": "grade10",
                "gradedPrice": 1852.5,
                "spread": 1123.83,
                "roi": 154.2
            },
            "productUrl": "https://www.pricecharting.com/game/pokemon-phantasmal-flames/mega-charizard-x-ex-125"
        },
        {
            "title": "Charizard ex #199",
            "platform": "Pokemon Scarlet & Violet 151",
            "cardNumber": "199",
            "rawPrice": 366.81,
            "gradingFee": 25,
            "grades": {
                "grade9": {
                    "gradedPrice": 402.5,
                    "spread": 10.69,
                    "roi": 2.7
                },
                "grade10": {
                    "gradedPrice": 1410,
                    "spread": 1018.19,
                    "roi": 259.9
                }
            },
            "best": {
                "grade": "grade10",
                "gradedPrice": 1410,
                "spread": 1018.19,
                "roi": 259.9
            },
            "productUrl": "https://www.pricecharting.com/game/pokemon-scarlet-&-violet-151/charizard-ex-199"
        },
        {
            "title": "Mega Charizard X EX #23",
            "platform": "Pokemon Promo",
            "cardNumber": "23",
            "rawPrice": 34.56,
            "gradingFee": 25,
            "grades": {
                "grade9": {
                    "gradedPrice": 45,
                    "spread": -14.56,
                    "roi": -24.4
                },
                "grade10": {
                    "gradedPrice": 174.49,
                    "spread": 114.93,
                    "roi": 193
                }
            },
            "best": {
                "grade": "grade10",
                "gradedPrice": 174.49,
                "spread": 114.93,
                "roi": 193
            },
            "productUrl": "https://www.pricecharting.com/game/pokemon-promo/mega-charizard-x-ex-23"
        }
    ]
}
Card Arbitrage Lookup — CODE SNIPPETS

curl --location --request GET 'https://zylalabs.com/api/13733/card+grading+arbitrage+api/31469/card+arbitrage+lookup' --header 'Authorization: Bearer YOUR_API_KEY' 


    

API Access Key & Authentication

After signing up, every developer is assigned a personal API access key, a unique combination of letters and digits provided to access to our API endpoint. To authenticate with the Card Grading Arbitrage API simply include your bearer token in the Authorization header.

Headers
Header Description
Authorization Required Should be Bearer access_key. See "Your API Access Key" above when you are subscribed.

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Overview

Find profitable trading cards to grade. Search any Pokemon, sports, or TCG card and get raw market price, PSA graded prices for grade 9 and grade 10, the spread after grading fees, and projected return on investment for each grade. Results are ranked by best spread so the most profitable grading candidates surface first. Built for collectors, card flippers, and grading arbitrage tools.

Card Grading Arbitrage API FAQs

The Card Arbitrage Lookup endpoint returns a grading profitability analysis for trading cards, including raw market prices, PSA graded prices for grades 9 and 10, net spreads after grading fees, projected ROI percentages, and the best grade to target.

Key fields in the response include "title," "platform," "rawPrice," "gradingFee," "grades" (with details for grade 9 and grade 10), "best" (indicating the optimal grade), and "productUrl" for further details.

The response data is structured as a JSON object containing a success flag, grading fee, count of results, and an array of results. Each result includes detailed information about the card and its grading profitability.

The endpoint provides information on trading card names, raw market prices, PSA graded prices for grades 9 and 10, grading fees, net spreads, projected ROI, and the best grade to target for grading.

The primary parameter for the Card Arbitrage Lookup endpoint is the card name. Users can customize their requests by specifying different card names to receive tailored grading profitability analyses.

Users can analyze the grading profitability by comparing raw prices with graded prices, assessing the spread and ROI for each grade, and identifying the best grade to target for maximizing profits.

The data is sourced from various trading card marketplaces and sales platforms, ensuring a comprehensive view of market prices and grading trends for trading cards.

Typical use cases include identifying profitable cards to grade for resale, comparing potential returns on investment, and assisting collectors and flippers in making informed grading decisions.

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