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NovaPath Community Indicator Comparator
x402
NovaPath Community Indicator Comparator is a paid API for AI agents from instructional-decision-engine-x402.vercel.app, paid per call via x402, $0.25/call, status unknown (last checked 2026-10-31).
Compares two community indicators for definitional consistency, population alignment, geographic boundary compatibility, reference period overlap, unit equivalence, and statistical uncertainty before yielding or withholding a comparison result.
Price / call$0.25
Success—
StatusUnknown
How this service works
Compare two community indicators for consistent definitions, populations, boundaries, reference periods, units and uncertainty. Withholds misleading differences and preserves source-specific margins of error.
Output
Returns a structured assessment indicating whether the two submitted indicators are methodologically comparable, itemizing which dimensions (definition, population, geography/boundary, reference period, unit, statistical uncertainty) are consistent or problematic. Misleading comparisons are withheld with an explanation; valid comparisons include source-specific margins of error preserved for downstream use.
Example use cases
Cross-source poverty rate sanity check
“Before I publish this chart, check whether the two county poverty rates I have are actually comparable: the left is an ACS 5-year percent estimate of 16.4 (MOE 1.2, 90% confidence) for all people in county 17031, boundary year 2020, covering 2017-01-01 to 2021-12-31; the right is a local survey percent estimate of 18.1 (MOE null, unknown confidence) for the same county, boundary year 2020, 2021-01-01 to 2021-12-31 — cross_section mode. Will comparing them be misleading?”
Unemployment change over time validation
“I want to show change in unemployment between two periods for labor force in tract 110010100 — left: ACS 1-year, boundary year 2019, 2019-01-01 to 2019-12-31, percent, estimate 5.2, MOE 0.8, 95% confidence; right: ACS 1-year, boundary year 2020, 2021-01-01 to 2021-12-31, percent, estimate 8.7, MOE 1.1, 95% confidence — run a change mode comparison and flag if the boundary year shift makes this unreliable.”
Housing cost burden cross-section check
“Are these two housing cost burden estimates for households comparable? Left: ACS 5-year, county 36061, boundary year 2020, 2016-01-01 to 2020-12-31, percent, estimate 52.3, MOE 2.0, 90% confidence; right: decennial, county 36061, boundary year 2020, 2020-01-01 to 2020-12-31, percent, estimate 49.7, MOE null, unknown confidence — cross_section mode. Should I withhold this comparison from my report?”
Technical details
Endpoint
POSThttps://instructional-decision-engine-x402.vercel.app/research/indicator-compare?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to programmatically guard against apples-to-oranges comparisons of community statistics before publishing, reporting, or feeding data into downstream models. It is especially valuable when combining data from different Census Bureau products (ACS 1-year vs 5-year vs decennial), different geographic vintages, or mixing administrative records with survey estimates — situations where naive subtraction or ratio calculations would mislead. Prefer it over manual review when margin-of-error preservation and boundary-year compatibility checking are required for statistical rigor.
Side effects
- Mismatched indicator enums (e.g. 'poverty' vs 'unemployment') cause an immediate incompatibility result rather than an error
- Invalid GEOID format (must match state/county/tract digit pattern) returns a 400-level validation error
- Unsupported source enum value causes schema rejection
- MOE provided as negative number fails schema minimum validation
- Reference period end before start may cause logic rejection
- Boundary year outside 1900–2100 range fails validation
- Unknown confidence level ('unknown') may reduce the informativeness of the uncertainty assessment but is accepted
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| left | object | |
| mode | string | |
| right | object |
Tags
x402
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