Authentication APIAsk AIpost https://apps.qa.interswitchng.com/passport/oauth/tokenQuery Paramsgrant_typestringDefaults to client_credentialsHeadersAuthorizationstringrequiredSet value to "Basic Base64(CLIENT_ID:SECRET_KEY)"Content-TypestringDefaults to application/x-www-form-urlencodedResponses 200200 400400 401401Updated 5 months ago