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API Playground

Pick any API, paste your X-API-Key, tweak the body and fire a real request — everything happens in your browser.

All APIs
Bank CNAPS Code Lookup →

Search Chinese bank branches and CNAPS clearing codes by bank, card number, province, city, or keyword, including addresses and phone numbers.

Try it out

Paste your X-API-Key, tweak the body, and fire a real request. Great for integration & regression checks.

POSThttps://openapi.toolkk.com/v1/bank-cnaps-code-query

Without an API key the request will go out anonymously and may be rejected by the gateway.

// Response will appear here after you send the request