tools

verify_fact

Fact-check a claimed dollar amount about tax law ('the 2026 MFJ standard deduction is $32,200', 'CTC is $2,000 per child') against the corpus. Returns verified / refuted (with the correct value and citation) / unknown. Never states a verdict it cannot ground.

post/v1/tools/verify_fact

Request

  • Base URL: https://opentax.invaro.ai
  • URL: https://opentax.invaro.ai/v1/tools/verify_fact
  • Auth: one of:
    • HTTP bearer
    • none

Headers

X-OpenTax-Return-Idstring

Your identifier for the taxpayer-year this call belongs to; the billing unit. Stored hashed.

Request body

querystring required

what the amount is, e.g. 'standard deduction'

filingStatus'single' | 'mfj' | 'mfs' | 'hoh' | 'qss'
asOfstring

Response

ok:true with the computed value, line set or lookup hits; ok:false with error.code when the engine refuses (NEEDS_FACTS, NO_APPLICABLE_RULE, UNHANDLED_ENUM_CASE)

okboolean required

Changes

No recorded changes to this operation across all 1 revision of this API.