generated: '2026-07-21' method: searched source: https://docs.urbansky.com/guide/getting-started.html notes: >- Urban Sky publishes a live test endpoint developers can call to verify their SDK integration: POSTing to it injects a test balloon update that is then delivered to the caller's connected SDK listener via the real-time feed. There is no separate sandbox environment or test-key prefix documented; the test endpoint uses the production API token. test_endpoints: - name: Send test balloon update method: POST url: https://api.ops.atmosys.com/sdk/test/balloon auth: x-api-token header (organization API token) content_type: application/json body: '{}' behavior: >- Sends a test balloon:update message that the caller receives through their connected SDK listener, verifying end-to-end data flow. docs: - https://docs.urbansky.com/guide/getting-started.html - https://docs.urbansky.com/api/javascript.html