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GET
Auth check
Use the Try It panel:
  1. Paste ond_live_… or ond_test_… into Authorization
  2. Click Send
  3. Expect 200 with ok and mode (live | sandbox)
Do not type the word Bearer — the playground adds it.

Authorizations

Authorization
string
header
required

Paste only your API key (ond_live_… or ond_test_…). Do not type the word Bearer — the playground adds it.

Response

Key is valid

ok
boolean
Example:

true

mode
enum<string>
Available options:
live,
sandbox