{"uid":"cap_1upvnuWFDRFiXFdEJ24yu","slug":"novapath-assessment-coverage-audit-6778f3a5","name":"NovaPath Assessment Coverage Audit","description":"Reconcile an aggregate assessment-window histogram, missing administrations and delivered-intervention linkage. Separates data coverage from valid growth and causal impact; no learner records or scores.","url":"https://instructional-decision-engine-x402.vercel.app/assessment/coverage-audit?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"learnerCount":{"type":"integer","maximum":1000000,"minimum":0},"windowsVerified":{"type":"boolean"},"identityVerified":{"type":"boolean"},"retakeRuleVerified":{"type":"boolean"},"expectedWindowCount":{"type":"integer","maximum":12,"minimum":1},"deliveredInterventions":{"type":"integer","maximum":1000000,"minimum":0},"linkedBaselineFollowup":{"type":"integer","maximum":1000000,"minimum":0},"scaleContinuityVerified":{"type":"boolean"},"sourceIndependenceVerified":{"type":"boolean"},"learnersByObservedWindowCount":{"type":"array","items":{"type":"integer","maximum":1000000,"minimum":0},"maxItems":13,"minItems":1}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.2","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.2/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.2","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.2","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_pRiIDLwMcmx4Dt_T8z1in","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.2","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Reconciles an assessment-window histogram against missing administrations and delivered interventions to separate data coverage from valid growth and causal impact.","exampleAgentPrompt":"Run a coverage audit for our assessment program: we have 8,500 learners, expected 6 assessment windows, and the observed-window histogram is [200, 800, 1200, 2100, 2500, 1700]. We administered 4,200 interventions, 3,800 of which are linked to baseline-followup pairs. Windows are verified, identity is verified, retake rules are verified, scale continuity holds, and sources are independent.","exampleUseCases":[{"title":"District-level assessment gap detection","prompt":"We have 12,000 learners in our district with 4 expected assessment windows. The histogram of learners by observed window count is [300, 900, 2800, 8000]. We delivered 5,500 interventions with 4,900 linked to baseline-followup. All verification flags — windows, identity, retake rules, scale continuity, and source independence — are confirmed. Can you run a coverage audit to see where administration gaps are?"},{"title":"Research study intervention linkage check","prompt":"I'm running a study with 500 learners across 3 expected windows. Histogram is [50, 150, 300]. We delivered 420 interventions and 380 are linked to baseline-followup pairs. Windows and identity are verified, retake rules are verified, but scale continuity and source independence are not yet confirmed. Audit our coverage and tell me how much of our data supports valid causal impact."},{"title":"EdTech platform data quality validation","prompt":"Before we report growth metrics for our platform, validate our assessment coverage: 75,000 learners, 12 expected windows, histogram [500, 1200, 3000, 5500, 8000, 9500, 11000, 10200, 9000, 7500, 6000, 3500]. We've done 60,000 interventions and 55,000 are linked to baseline-followup. All five verification flags are true. Separate what's real growth from just coverage gaps."}],"resultDescription":"Returns a reconciled assessment coverage report distinguishing data coverage gaps (missing administrations) from valid growth signals and causally-linked intervention impact. Includes analysis of the window histogram against expected windows, identification of missing administrations, intervention linkage completeness, and flags indicating which verification conditions are met — without exposing any individual learner records or scores.","failureModes":["learnersByObservedWindowCount array length does not match expectedWindowCount + 1, causing schema validation error","linkedBaselineFollowup exceeds deliveredInterventions, indicating inconsistent input","Histogram values sum to a number incompatible with learnerCount, producing a coverage reconciliation warning","Boolean verification flags set inconsistently (e.g., windowsVerified true but histogram gaps obvious), leading to a flagged audit report","Missing required fields (e.g., no learnersByObservedWindowCount) returning a 400 bad request","Payment of 0.2 USDC not completed via x402 protocol, resulting in 402 Payment Required response"],"whenToPreferThis":"Choose this endpoint when you need to audit the structural integrity and completeness of an assessment-window dataset — specifically to disentangle whether observed learning gaps reflect true outcomes or simply missing data administrations. It is the right choice when you have aggregate histogram data (not individual records), want to validate whether delivered interventions are properly linked to baseline-followup pairs, and need to verify multiple integrity conditions (identity, retake rules, scale continuity, source independence) in a single call. Prefer it over general analytics endpoints when educational data quality, intervention causality validation, or compliance reporting is the primary concern.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:30:11.999Z","isFirstParty":false,"canonicalSlug":"novapath-assessment-coverage-audit-6778f3a5"}