PSA Certificate Checker
Instantly verify PSA graded cards. Look up any certificate number to get complete grading information, population data, and authenticity verification.
Simple API Integration
Look up any PSA certificate with a single API call
// Look up a PSA certificate
const response = await fetch('https://api.tcgapis.com/api/v1/psa/12345678', {
method: 'GET',
headers: {
'x-api-key': 'YOUR_API_KEY'
}
});
const data = await response.json();
// Response
{
"success": true,
"certificate": {
"certNumber": "12345678",
"subject": "Charizard",
"brand": "1999 Pokemon Game",
"year": "1999",
"cardNumber": "4",
"grade": "10",
"gradeDescription": "Gem Mint",
"sport": "Card Games",
"category": "Card Games",
"labelType": "PSA",
"population": 123,
"populationHigher": 0,
"totalPopulation": 5000
},
"images": {
"front": "https://cert-images.psa.com/12345678/large/12345678_f.jpg",
"back": "https://cert-images.psa.com/12345678/large/12345678_b.jpg"
}
}What Can You Build?
Power your applications with PSA certificate verification
Verify Authenticity
Instantly verify if a PSA certificate is legitimate before purchasing a graded card.
Check Population
View population reports to understand the rarity of your graded card.
Integration Ready
Build PSA verification into your marketplace or inventory management system.
Instant Results
Get comprehensive certificate data in milliseconds with our high-performance API.
Public PSA Lookups
Verify any PSA graded card instantly — up to 5 public lookups per day, no login required. Subscribe to a Business or Unlimited plan for full API access.
Explore Our API PlansFrequently Asked Questions
Everything you need to know about the PSA Checker API
What is the PSA Checker?
The PSA Checker allows you to look up PSA (Professional Sports Authenticator) graded card certificates by their certificate number. You'll receive complete grading information, population data, and certificate images.
What information is returned?
The checker returns the card subject (player/character), brand, year, card number, grade, grade description, sport/category, population data, label type, and links to certificate images when available.
Can anyone use the PSA Checker demo?
Yes — the public PSA Checker demo is open to anyone, with up to 5 lookups per day. No login required. For unlimited lookups, subscribe to a Business or Unlimited plan.
Are there any rate limits?
The public demo allows 5 certificate lookups per day per user. Business and Unlimited subscribers get unlimited PSA lookups via the API.
What certificate numbers are supported?
All valid PSA certificate numbers are supported. Simply enter the numeric certificate number found on the PSA label (digits only, no dashes or spaces).
Need API Access?
Want to integrate PSA certificate verification into your own application? Check out our API plans for programmatic access.