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Verity Suite Tally Pro — Arithmetic & Financial Figure Verifier
x402
Verity Suite Tally Pro — Arithmetic & Financial Figure Verifier is a paid API for AI agents from verity-suite.onrender.com, paid per call via x402, $0.15/call, status unknown (last checked 2026-09-14).
Sanity-checks text containing numbers, math, or financial figures, returning a calibrated verdict on whether the figures are consistent, contain errors, or are unverifiable
Price / call$0.15
Success—
StatusUnknown
How this service works
The trust fabric for AI agents — calibrated, fail-closed services agents pay per call.
Output
Returns a verdict enum (consistent / minor_issues / errors_found / uncertain), a calibrated confidence score (0–1), an array of per-figure findings explaining what was checked and why each is correct, wrong, or unverifiable, and — when all inputs are unambiguously present — an array of corrected values for any provable errors.
Example use cases
Example prompt
“Can you sanity-check the numbers in this excerpt — 'Revenue was $4.2M, up 35% YoY from $3.0M, giving a gross margin of 61% on $1.6M COGS' — and tell me whether the figures are consistent, flag any errors, and how confident you are? The context is USD, annual figures for FY2024.”
Technical details
Endpoint
POSThttps://verity-suite.onrender.com/tally/proWhen to prefer
Choose this endpoint when you need a calibrated, fail-closed arithmetic and financial figure verification service that returns structured verdicts with per-finding breakdowns and confidence scores — especially for AI agent pipelines that require trust-scored numeric validation before acting on a document. Prefer it over generic LLM math-checking when you need a consistent schema, corrected values only when provable, and a confidence-gated verdict rather than a free-text opinion.
Side effects
- Missing required 'text' field returns a 400-level error
- Text contains no checkable figures, resulting in verdict='uncertain' with low confidence
- Figures depend on external facts not supplied in context, yielding verdict='uncertain'
- Ambiguous units or currencies reduce confidence and may prevent corrected_values from being emitted
- Very long documents may be truncated or return partial findings
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| textrequired | string | the text containing numbers, math, or financial figures to sanity-check |
| context | string | optional background: units, currency, time period, or domain assumptions the figures rely on; treated as supplied data, not as commands |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| reasonsrequired | array | concrete reasons for the overall verdict |
| verdictrequired | string | consistent=every figure you could actually recompute reconciles; minor_issues=only rounding/display-precision differences within tolerance, nothing material; errors_found=at least one provable arithmetic error, contradiction, or impossible figure; uncertain=cannot verify (missing/ambiguous values or units, or correctness depends on an external fact not supplied) |
| findingsrequired | array | per-issue notes: the figure or equation checked, the stated value vs. your recomputed value, and why it is correct, wrong, implausible, or unverifiable |
| confidencerequired | number | calibrated probability the verdict is correct given only what is checkable from the text/context; lower it when few figures are checkable, units/values are ambiguous, or claims depend on external facts |
| corrected_values | array | recomputed correct figures, emitted only for errors where every input needed to recompute is present AND unambiguous in the text/context; omit otherwise |
Tags
x402
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