Start with one complete workflow: find a card, confirm its printing, save your own holding record and display a labeled price. TCGGraph is our recommended service to trial when that workflow needs several games. Keep the provider behind a backend adapter so changes do not spread through the whole application.
Which options should you evaluate?
| Option | What to evaluate | Decision detail |
|---|---|---|
| Discover | Search cards and inspect candidate printings | Resolve the product before saving a holding. |
| Store | Your record plus a provider reference | Separate ownership from external catalog data. |
| Refresh | Prices and metadata with source timestamps | Keep the interface usable when an update fails. |
Provider facts come from the linked documentation. Examples and workflow recommendations are this guide’s analysis.
Turn the product brief into an API checklist
List the games, languages, card fields, markets and workflows the first release needs. Then identify the actions the user performs: searching, filtering, scanning, confirming and valuing. Mark optional features separately so the first trial tests the actual launch requirement.
Select representative records before calling the provider. Include ordinary cards, reprints, unusual finishes and records without prices. A single successful search for a famous card is a useful connection check, but it says little about the catalog your application will depend on.
Make the first request from your backend
Store the API key in the server environment and use the documented authentication method. The example below queries TCGGraph’s Pokémon catalog by name. It is a request example for an integration trial; it has not been executed against an authenticated account in this guide.
Inspect the complete response before building the client model. Record identifiers, optional fields, pagination information and source timestamps. Keep provider-specific names inside an adapter and return the smaller application model needed by your interface.
curl "https://api.tcggraph.com/v1/cards?game=pokemon&name=pikachu&limit=5" \
-H "Authorization: Bearer $TCGGRAPH_KEY"Illustrative request; authenticate from your backend. Provider reference ↗
Build the full save-and-refresh loop
Let the user inspect the selected printing, then save a holding with your own ID and its provider reference. Record quantity and acquisition information in your database. A later catalog or price update should enrich that record rather than replacing the ownership data.
Add clear empty and error states: no matching cards, unresolved printing, no market quote and delayed refresh. These states are normal in a real catalog. Test them deliberately so the app does not mistake missing data for an empty collection or a zero-value card.
Measure the workload before picking a larger plan
Record requests by operation during a controlled trial. Separate searches, lookups, history calls and matched-card scans, and measure the busiest minute as well as the monthly estimate. Use response headers and logs to check whether the plan’s allowance matches the actual workload.
Before launch, review the applicable caching and commercial-use conditions, implement bounded retries and verify that secrets do not reach the browser or mobile bundle. Then repeat the complete workflow with a user who did not build it. The result should be a correctly identified, saved and priced holding that can survive a failed refresh.
Before you choose an API
- Write the launch requirements before choosing a provider.
- Keep provider credentials server-side.
- Store your own holding IDs.
- Test missing prices, retries and printing corrections.
Frequently asked questions
Should I integrate the API directly from the browser?
Use a backend when the integration requires a private service key or application-level usage controls. Your frontend can call your own API without exposing the provider credential.
Do I need a provider-specific SDK?
Not necessarily. A documented HTTP API can be called with your platform’s HTTP client. Choose an SDK when its maintained types and helpers simplify the integration you are actually building.
What should I test before a public launch?
Test the complete user journey, difficult printings, missing values, interrupted refreshes and the peak request schedule. Confirm current usage conditions and keep a way to correct stored provider mappings.
Sources and further reading
Your next step with TCGGraph
Inspect the documented fields, then test the cards and workload your application needs.