TCGPlayer
Grading scale reference
The reference table mapping every grade_id used across this module to a grading company, grade and tier — PSA, BGS, CGC, TAG, ACE, ARS and AGS, plus the raw/ungraded id. Fetch once and cache (the response is served with a one-day Cache-Control); then resolve grade ids client-side, including ids in data you cached before grades were resolved.
Costs 1 credit per request.
Authorization
ApiKeyAuth X-API-Key<token>
API key created in the extractr dashboard (ext_live_...). Also accepted as Authorization: Bearer.
In: header
Query Parameters
company?string
Filter to a single company symbol (case-insensitive).
Response Body
application/json
application/json
application/json
application/json
application/json
application/json
application/json
application/json
curl -X GET "https://example.com/tcgplayer/grading_scales"{ "count": 0, "scales": [ { "grade_id": "12", "company": "PSA", "grade": "10", "label": "PSA 10", "grade_name": "GEM - MT", "tier": "gem_mint", "pristine": false } ], "source": "snapshot", "updated_at": "string"}{ "error": { "code": "invalid_api_key", "message": "The provided API key is invalid or has been revoked.", "reason": "sold" }}{ "error": { "code": "invalid_api_key", "message": "The provided API key is invalid or has been revoked.", "reason": "sold" }}{ "error": { "code": "invalid_api_key", "message": "The provided API key is invalid or has been revoked.", "reason": "sold" }}{ "error": { "code": "invalid_api_key", "message": "The provided API key is invalid or has been revoked.", "reason": "sold" }}{ "error": { "code": "invalid_api_key", "message": "The provided API key is invalid or has been revoked.", "reason": "sold" }}{ "error": { "code": "invalid_api_key", "message": "The provided API key is invalid or has been revoked.", "reason": "sold" }}{ "error": { "code": "invalid_api_key", "message": "The provided API key is invalid or has been revoked.", "reason": "sold" }}