{
  "schema": "varexis-index-free-publication-preview/1",
  "catalogue_version": "pub-1-tranche-51-v1",
  "route_id": "agentic_reviewed_x402_upfront_handler_failure_refund_boundary",
  "record_id": "VXI-EXT-PROCUREMENT-X402-UPFRONT-HANDLER-FAILURE-REFUND-BOUNDARY-01-v1",
  "question": "Does x402 exact upfront define an automatic refund when the resource handler fails?",
  "answer": "The pinned exact scheme allows upfront settlement before resource execution. It explicitly notes that a handler failure can leave the client charged without delivery and that this scheme defines no refund for that situation. Any remedy is an arrangement made by the resource server.",
  "records": [
    {
      "record_id": "VXI-EXT-PROCUREMENT-X402-UPFRONT-HANDLER-FAILURE-REFUND-BOUNDARY-01-v1",
      "url": "/varexis-index/records/x402-upfront-handler-failure-refund-boundary.json",
      "content_sha256": "96938a58b2df502e3950934befa3fde0233977028266bef49d345fc5c354c59f",
      "evidence": {
        "schema": "varexis-public-evidence-record/0.3",
        "generated_at_utc": "2026-10-24T21:35:02.243Z",
        "record_id": "VXI-EXT-PROCUREMENT-X402-UPFRONT-HANDLER-FAILURE-REFUND-BOUNDARY-01-v1",
        "record_kind": "external_reference",
        "title": "x402 upfront charges and failed resource delivery",
        "system": "x402 Foundation",
        "evidence_family": "vendor_evidence_review",
        "index_status": "PUBLIC_SAFE_SOURCE_REVIEW",
        "evidence_state": "PRIMARY_DOCUMENTATION_REVIEW_ONLY",
        "canonical_question": "Does x402 exact upfront define an automatic refund when the resource handler fails?",
        "near_questions": [
          "Who remedies an x402 upfront charge when the API fails?",
          "Does x402 exact include a refund guarantee?",
          "Can a prepaid x402 request fail after payment?",
          "What delivery risk comes with x402 upfront?"
        ],
        "supported_claims": [
          {
            "claim": "The pinned exact scheme allows upfront settlement before resource execution. It explicitly notes that a handler failure can leave the client charged without delivery and that this scheme defines no refund for that situation. Any remedy is an arrangement made by the resource server.",
            "reliance": "DOCUMENTED_CAPABILITY_ONLY"
          }
        ],
        "not_demonstrated_claims": [
          "Independent verification of payment, delivery or deployed controls",
          "Actual merchant recovery arrangements and transferred funds are not assessed.",
          "Buyer deployment testing, live runtime enforcement, certification or permission to act",
          "Expanded capabilities or licences for existing INDEX executables"
        ],
        "public_summary": "The pinned exact scheme allows upfront settlement before resource execution. It explicitly notes that a handler failure can leave the client charged without delivery and that this scheme defines no refund for that situation. Any remedy is an arrangement made by the resource server.",
        "related_record_ids": [],
        "source_review": {
          "source_type": "official_external_documentation",
          "source_title": "Scheme: `exact`",
          "source_url": "https://raw.githubusercontent.com/x402-foundation/x402/4241d56cae2fb7ed06cd18e3a9ff2a3457b1ce54/specs/schemes/exact/scheme_exact.md",
          "checked_on": "2026-10-24",
          "candidate_record_id": "VXI-EXT-PROCUREMENT-X402-UPFRONT-HANDLER-FAILURE-REFUND-BOUNDARY-01-v1",
          "candidate_record_sha256": "526299823a8cbc0a84c07816a5328a3b5929a7865eea33a22c02c3baa76a8313",
          "method": "Primary documentation reviewed for the published bounded statement.",
          "deployment_tested_by_varexis": false,
          "revalidation": "The delivered snapshot preserves the review date shown. Recheck current primary documentation and deployment context before relying on present applicability; payment does not trigger fresh research."
        },
        "answer_policy": {
          "classification": "DOCUMENTED_WITH_DEPLOYMENT_BOUNDARY",
          "bounded_answer": "The pinned exact scheme allows upfront settlement before resource execution. It explicitly notes that a handler failure can leave the client charged without delivery and that this scheme defines no refund for that situation. Any remedy is an arrangement made by the resource server.",
          "required_buyer_context": "Selected exact payment flow; Merchant delivery and remedy terms; Payment and failed-execution evidence. Buyer deployment not 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",
          "review_status": "documentation_review_only",
          "checked_on": "2026-10-24",
          "claim_to_check": "Does x402 exact upfront define an automatic refund when the resource handler fails?",
          "documented_statement": {
            "status": "documented",
            "statement": "The pinned exact scheme allows upfront settlement before resource execution. It explicitly notes that a handler failure can leave the client charged without delivery and that this scheme defines no refund for that situation. Any remedy is an arrangement made by the resource server.",
            "source_ids": [
              "x402-exact"
            ]
          },
          "review_inference": {
            "status": "review_inference",
            "statement": "Check recovery terms before accepting a prepaid machine-service call. This is a review decision, not an observed buyer result.",
            "source_ids": [
              "x402-exact"
            ]
          },
          "buyer_evidence_required": [
            "Selected exact payment flow",
            "Merchant delivery and remedy terms",
            "Payment and failed-execution evidence"
          ],
          "review_condition": {
            "status": "varexis_review_policy",
            "statement": "Do not promise an automatic protocol refund for an upfront handler failure."
          },
          "unknowns": "Actual merchant recovery arrangements and transferred funds are not assessed.",
          "unknown_finding": {
            "status": "unknown",
            "statement": "Actual merchant recovery arrangements and transferred funds are not assessed."
          },
          "evidence_sources": [
            {
              "source_id": "x402-exact",
              "url": "https://raw.githubusercontent.com/x402-foundation/x402/4241d56cae2fb7ed06cd18e3a9ff2a3457b1ce54/specs/schemes/exact/scheme_exact.md",
              "final_url": "https://raw.githubusercontent.com/x402-foundation/x402/4241d56cae2fb7ed06cd18e3a9ff2a3457b1ce54/specs/schemes/exact/scheme_exact.md",
              "status": 200,
              "captured_at_utc": "2026-10-24T21:23:34.021Z",
              "sha256": "db4c10f5e6ddda3f1b3fe1a1a60c7ff26e63b57ee4744f0abfbf67353d53c3f0",
              "bytes": 12235,
              "title": "Scheme: `exact`",
              "hash_basis": "Decoded HTTP response body bytes",
              "rights_review": "Original factual paraphrase and source metadata only; Apache-2.0 repository captures retained privately and not redistributed.",
              "checked_on": "2026-10-24",
              "capture_status": 200,
              "claim_review_completed": true,
              "reviewed_sections": [
                "Payment Flow"
              ],
              "version_context": "Pinned x402-foundation/x402 revision 4241d56cae2fb7ed06cd18e3a9ff2a3457b1ce54 captured 2026-10-24. Documentation revision, not evidence that any buyer deployment conforms."
            }
          ],
          "observed_deployment": false,
          "commercial_reliance_boundary": "Documentation review only; the buyer must establish applicability and actual outcomes. INDEX does not inspect or control the deployment.",
          "paid_value": {
            "decision_context": "Check recovery terms before accepting a prepaid machine-service call.",
            "free": "Complete review, sources, practical questions 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": "Recheck the pinned specification against the selected scheme, network, provider version and buyer evidence before relying on a current outcome."
          },
          "buyer_relevance": "Check recovery terms before accepting a prepaid machine-service call.",
          "refusal_conditions": [
            "Do not promise an automatic protocol refund for an upfront handler failure."
          ]
        },
        "niche": {
          "niche_id": "agent-authority-action-evidence",
          "label": "Agent Authority & Action Evidence",
          "classification_id": "payments",
          "classification_label": "Agent Payments, Authority & Transaction Evidence",
          "topic_id": "payments",
          "buyer_intent": "Check recovery terms before accepting a prepaid machine-service call.",
          "comparison_role": "supplementary_discovery"
        },
        "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#x402-upfront-handler-failure-refund-boundary",
        "machine_readable_record": "/varexis-index/records/x402-upfront-handler-failure-refund-boundary.json"
      }
    }
  ],
  "access": {
    "mode": "exact_http_only",
    "payment_required": false,
    "purchase_url": null,
    "mcp_preview_available": false,
    "paid_saved_retrieval_available": false,
    "natural_language_search_qualified": false
  },
  "boundary": "Catalogue additions are available free through the exact HTTP JSON links below. Enhanced natural-language discovery is not yet qualified for these records. They are outside MCP search, MCP preview and paid saved retrieval. No search qualification, executable capability or entitlement is added.",
  "content_sha256": "fe5be89cc63fa69ccac1f9dc62cf7914bf7f67d2dd84f3545120b93a4f09c3f2"
}