{
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  "generated_at_utc": "2026-10-16T12:55:40.483Z",
  "record_id": "VXI-EXT-PROCUREMENT-EVENTBRIDGE-RETRY-01-v1",
  "record_kind": "external_reference",
  "title": "EventBridge: Retry exhaustion and retained failures",
  "system": "Amazon EventBridge",
  "evidence_family": "vendor_evidence_review",
  "index_status": "PUBLIC_SAFE_SOURCE_REVIEW",
  "evidence_state": "PRIMARY_DOCUMENTATION_REVIEW_ONLY",
  "canonical_question": "Does an EventBridge rule guarantee eventual delivery to its target?",
  "near_questions": [
    "Can EventBridge stop retrying a target?",
    "Which retry age is configured?",
    "Which attempt limit applies?",
    "Does every failure qualify for retry?",
    "Where do exhausted events go?",
    "Is a dead-letter queue actually configured?",
    "Can EventBridge write to that queue?",
    "Who checks retained failures?",
    "Does target acceptance prove business processing?",
    "Is replay authorized and deduplicated?",
    "What evidence supports a delivery assurance claim?",
    "Can I preserve the reviewed failure-retention basis?"
  ],
  "supported_claims": [
    {
      "claim": "EventBridge retries retriable target failures within configured age and attempt limits. The documented defaults are bounded, and exhausted delivery attempts can end in a dropped event. A dead-letter queue needs separate configuration; a rule existing is not evidence that undelivered events are retained or recovered.",
      "reliance": "DOCUMENTED_CAPABILITY_ONLY"
    }
  ],
  "not_demonstrated_claims": [
    "Verified buyer configuration or effective access rights",
    "Independent execution, completeness or security testing",
    "Vendor certification, legal compliance or guaranteed suitability"
  ],
  "public_summary": "EventBridge retries retriable target failures within configured age and attempt limits. The documented defaults are bounded, and exhausted delivery attempts can end in a dropped event. A dead-letter queue needs separate configuration; a rule existing is not evidence that undelivered events are retained or recovered.",
  "related_record_ids": [],
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    "source_type": "official_external_documentation",
    "source_title": "EventBridge retry policy",
    "source_url": "https://docs.aws.amazon.com/eventbridge/latest/userguide/eb-rule-retry-policy.html",
    "checked_on": "2026-10-16",
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  },
  "answer_policy": {
    "classification": "DOCUMENTED_WITH_DEPLOYMENT_BOUNDARY",
    "bounded_answer": "EventBridge retries retriable target failures within configured age and attempt limits. The documented defaults are bounded, and exhausted delivery attempts can end in a dropped event. A dead-letter queue needs separate configuration; a rule existing is not evidence that undelivered events are retained or recovered.",
    "required_buyer_context": "Rule target, retry policy, dead-letter configuration and operational replay ownership. Effective configuration and dated operational evidence have not been inspected.",
    "missing_evidence": "A broader claim needs evidence matching the intended use. Payment does not upgrade the evidence state."
  },
  "private_boundary": "Raw logs, thresholds, private paths, source code, protected mechanisms and reconstruction-level details are excluded from public and paid delivery.",
  "decision_profile": {
    "schema": "varexis-vendor-evidence-review/1",
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    "checked_on": "2026-10-16",
    "claim_to_check": "A configured rule retries until delivery succeeds.",
    "documented_statement": {
      "status": "documented",
      "statement": "EventBridge retries retriable target failures within configured age and attempt limits. The documented defaults are bounded, and exhausted delivery attempts can end in a dropped event. A dead-letter queue needs separate configuration; a rule existing is not evidence that undelivered events are retained or recovered.",
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      "Target retry age and attempt settings.",
      "Dead-letter destination and permissions.",
      "Failure monitoring and replay ownership."
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    "review_condition": {
      "status": "varexis_review_policy",
      "statement": "Require an exhaustion and recovery plan before asserting eventual delivery."
    },
    "unknowns": "The buyer configuration, contract, effective entitlement and operational evidence have not been inspected. Missing evidence does not establish absence or failure of the feature.",
    "evidence_sources": [
      {
        "source_id": "eventbridge",
        "url": "https://docs.aws.amazon.com/eventbridge/latest/userguide/eb-rule-retry-policy.html",
        "final_url": "https://docs.aws.amazon.com/eventbridge/latest/userguide/eb-rule-retry-policy.html",
        "title": "EventBridge retry policy",
        "checked_on": "2026-10-16",
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        "bytes": 13252
      }
    ],
    "observed_deployment": false,
    "commercial_reliance_boundary": "Procurement evidence support only; no supplier clearance, legal conclusion, configuration audit or verification of the buyer's claim is supplied.",
    "paid_value": {
      "decision_context": "Retain the documented delivery limits used to assess a supplier event integration.",
      "free": "Complete review, practical questions, sources and limitations; may be saved locally.",
      "single_request": "Existing server-saved version-bound route snapshot for later authenticated retrieval.",
      "evidence_receipt": "The same snapshot plus the existing unsigned delivery receipt.",
      "excluded": [
        "Fresh vendor research",
        "Continuous monitoring or change alerts",
        "Testing the buyer configuration",
        "Private evidence or vendor certification"
      ],
      "integrity": "Hashes identify content versions; they do not prove truth or provide a signature."
    },
    "revalidation": {
      "trigger": "A saved purchase does not recheck the source or buyer configuration.",
      "specific_watch": "Rule target, retry policy, dead-letter configuration and operational replay ownership."
    }
  },
  "paid_access_note": "The full published answer and boundaries are free. Paid access saves the selected route and source versions, with an unsigned receipt when purchased. Preview coverage before paying. Fresh research, bespoke assessment and protected evidence are excluded.",
  "service_route": {
    "request_guide": "/varexis-index/request.html",
    "request_workflow": "/varexis-index/request-workflow.json",
    "service_id": "single_request",
    "service_routes_url": "/varexis-index/service-routes.json",
    "payment_required": true,
    "availability_endpoint": "/api/index/capabilities",
    "operational_status": "AUTOMATIC_SERVICE_CAPABILITIES_GATED",
    "checkout_url": "/index-access"
  },
  "authority_boundary": "VAREXIS-INDEX informs evidence reliance. It does not provide advice, certification, deployment authority, security assurance, production approval, or guarantee.",
  "human_page": "/varexis-index/catalog.html#eventbridge-retry-exhaustion-recovery",
  "machine_readable_record": "/varexis-index/records/eventbridge-retry-exhaustion-recovery.json"
}