Blue Book Collectibles

Developers · Valuation API

One endpoint. A defensible value in your claims workflow.

A card name or grading certification number in — a fair-market value, confidence interval, and comparable sales out, as JSON. Integrate it directly into underwriting and claims systems.

Authentication

Every request requires an API key, passed as a bearer token. Carrier keys are issued per pilot and metered for licensing. Use the public demo key below to try the API immediately.

Authorization: Bearer bbc_demo_0000000000

Endpoint

POST /api/v1/value

FieldTypeDescription
querystringCard/player name, or a grading cert number.
mode"name" | "cert"Lookup type. Defaults to name.

Try it live

Runs against this site using the public demo key. Responses use demonstration data until the live catalog is connected.

Example request

curl -X POST https://bluebookcollectibles.com/api/v1/value \
  -H "Authorization: Bearer bbc_demo_0000000000" \
  -H "Content-Type: application/json" \
  -d '{ "query": "Charizard", "mode": "name" }'

Example response

{
  "ok": true,
  "card": {
    "name": "Charizard",
    "year": 1999,
    "set": "Pokémon Base Set",
    "number": "4/102"
  },
  "valuations": [
    {
      "grade": "PSA 10",
      "fairValue": 12314,
      "currency": "USD",
      "confidenceInterval": { "low": 11622, "high": 13006, "level": "High" },
      "sampleCount": 5,
      "comparableSales": [ /* … */ ]
    }
  ],
  "source": "sample",
  "usage": { "account": "Public demo key", "plan": "Evaluation", "calls": 1 }
}

Usage & licensing

Production access is licensed per carrier with usage metering — each call is counted against your plan, and the response carries an X-BlueBook-Usage-Count header. To scope a pilot, contact us.