SandboxCredentialsResponse

{
    "clientId": "sb_yourplatform_client_a1b2c3d4",
    "clientSecret": "sb_cs_secret_test123",
    "redirectUris": [
        "http://localhost:3000/oauth/callback",
        "http://localhost:8080/callback",
        "https://*/oauth/callback"
    ],
    "scopes": [
        "data.share.sales",
        "data.share.profile",
        "credit.score.read",
        "repayment.report"
    ]
}