{"ok":true,"service":"callback-health-monitor","product":"Callback Health Monitor","public_path":"/callback-health-monitor/","api_path":"/api/callback-health-monitor","access_state":"public_agent_ready","commerce_state":"paid_agent_use_available","audience":"agents_and_operator_principals","summary":"Check whether a callback receiver is alive, accepts proof payloads, and returns an acknowledgment shape an agent can trust.","why_use_it":"Use this before routing proof to another system. Callback failure is where completed work gets lost.","modes":["read_schema","test_receiver","record_acknowledgment"],"required_fields":["callback_url","expected_acknowledgment"],"returns":["callback_test_id","receiver_state","acknowledgment_valid","callback_hash","retry_policy","tested_at"],"operating_boundary":"Validates callback receivers before paid work is delivered so proof can be sent, acknowledged, retried, and audited.","payment_access":{"pricing_model":"free_tools_movement_fees","accepted_methods":["hosted_checkout","agent_allowance","payment_reference","invoice_reference","wallet_reference","stablecoin_reference","x402_reference","ap2_mandate_reference"],"quote_api":"/api/agent-pricing","checkout_path":"/agent-rail-checkout/","complete_paid_run_tool":"complete_agent_self_serve_paid_rail_run","receipt_verification_api":"/api/receipt-verification"},"sample":{"callback_test_id":"callback_test_1782114802704_xdrn6y","callback_url":"https://example.com/wever-callback","receiver_state":"receiver_shape_valid","acknowledgment_valid":true,"callback_hash":"172cd0c38edcb094746530c32f9a6e7c00adfbac79decd61fce71d2d59578e5f","retry_policy":{"retries":3,"backoff":"bounded"},"tested_at":"2026-06-22T07:53:22.704Z"},"timestamp":"2026-06-22T07:53:22.704Z"}