* permission or the specific can_view_entity ACL flag — and the resolved entity sandbox must have completed activation. By default the entity's default sandbox (is_default: true) is used; pass sandbox_id to target a specific, non-default sandbox belonging to the entity instead. Use the returned session_token to authenticate directly against sandbox_base_url (for example, embedding an iframe or redirecting the caller into the sandbox environment).curl --location '/entity-sandbox-sessions' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{
"entity_id": "01JABC1234567890ABCDEFGHIJ"
}'{
"message": "Entity sandbox session created successfully",
"status": "success",
"data": {
"session_token": "sbx_sess_9f2a1c7d8e6b4a3f0912cdef",
"sandbox_base_url": "https://sandbox.flutterwave.com"
}
}