| https://usaref.dev/v1/:country/:series United States: Value added tax, cited JSON with source URL, effective date and last_confirmed. GET /v1/us/vat. | base | USDC | $0.003 | exact |
| https://usaref.dev/v1/answers/income-tax Statutory income tax on a taxable-income figure: per-bracket workings, effective + marginal rate | base | USDC | $0.02 | exact |
| https://usaref.dev/v1/taxid/validate Tax-ID / VAT-number validation for North American countries: valid/invalid, normalised form, id type and the reason it failed. Format plus the official check-digit algorithm where the tax authority publishes one; every rule cited to an official source with its date. Pure algorith | base | USDC | $0.003 | exact |
| https://usaref.dev/v1/answers/settlement-date Settlement/value date: T+n business days across national statutory calendars (intersected), with the market cycle cited to its primary source and a per-day trail | base | USDC | $0.02 | exact |
| https://usaref.dev/v1/answers/statutory-interest Simple statutory interest on a principal at the cited statutory-interest series rate (Actual/365 simple). A series with no numeric rate is refused free | base | USDC | $0.02 | exact |
| https://usaref.dev/v1/answers/vat VAT rate gross-up or extract for an amount: net/tax/gross incl. statutory levy components | base | USDC | $0.01 | exact |
| https://usaref.dev/v1/answers/working-days Working days / next working day in a date range: weekends + gazetted public holidays | base | USDC | $0.002 | exact |
| https://usaref.dev/v1/compare Compare one government reference series (VAT, policy rate, minimum wage, CPI, corporate tax...) across up to 10 North American countries in one call, each row cited to its official source with effective and last-confirmed dates | base | USDC | $0.02 | exact |
| https://usaref.dev/v1/all Snapshot of every series, all countries | base | USDC | $0.02 | exact |
| https://usaref.dev/v1/answers/wage-check Wage check: is this salary legal vs statutory minimum wage? Verdict + margin + instrument | base | USDC | $0.02 | exact |
| https://usaref.dev/v1/certified/:country/:series Mexico: IVA standard rate, cited JSON with source URL, effective date and last_confirmed. GET /v1/mx/vat. | base | USDC | $0.10 | exact |
| https://usaref.dev/v1/:country/:series/history Canada: Policy Interest Rate, cited JSON with source URL, effective date and last_confirmed. GET /v1/ca/policy-rate. | base | USDC | $0.003 | exact |
| https://usaref.dev/v1/answers/employment-cost Cost to employ: every statutory contribution priced line by line, employee and employer sides separated, with the schemes we will not price named and reasoned | base | USDC | $0.05 | exact |
| https://usaref.dev/v1/brief/:country North American country brief: every government reference series for one country in one call (policy rate, VAT/GST, CPI, income/corporate/withholding tax, minimum wage, holidays...), each with value, unit, effective date, last-confirmed date, official source and confidence label | base | USDC | $0.01 | exact |
| https://usaref.dev/v1/holidays/:country North American public holidays by country, cited to the official gazette or government source: date, name, source URL, last_confirmed. ?year=YYYY to filter. GET /v1/holidays/{country}, e.g. /v1/holidays/us. | base | USDC | $0.002 | exact |
| https://usaref.dev/v1/jobs/charge-sale Charge this sale: should this invoice carry VAT, which country's, and how much - place of supply (EU, UK, South Africa rules), net/VAT/gross, registration threshold, cited. Unverified pairs refused free. | base | USDC | $0.50 | exact |
| https://usaref.dev/v1/jobs/cost-hire Cost this hire: one dossier for a salary in CA, MX, US - wage-floor verdict, employer and employee contributions (or PAYE net pay), employer cost, optional income tax and start date, every figure cited. Others refused free. | base | USDC | $0.50 | exact |
| https://usaref.dev/v1/jobs/evidence-pack Country evidence pack: the full cited country brief plus up to 3 Ed25519-signed certified extracts (vat, policy-rate, minimum-wage by default) for a compliance file. Refused free if nothing can be certified. | base | USDC | $0.25 | exact |
| https://usaref.dev/v1/jobs/hire-compare Hire compare (2 countries): employer cost, employer and employee contributions, on-cost % and wage-floor verdict side by side, ranked, cited. Countries: AE, AU, CA, DE, ES, GB, IT, MX, PL, US. Others refused free. | base | USDC | $0.75 | exact |
| https://usaref.dev/v1/jobs/invoice-payable Invoice due date and late interest: is this invoice overdue, by how many days, and the statutory late-payment (or statutory) interest owed, rate and workings cited. Countries here: BS, CA, CR, HN, MX, PA, SV, US. Others refused free. | base | USDC | $0.40 | exact |
| https://usaref.dev/v1/vat/determine Cross-border VAT treatment for a digital-services sale: place of supply, who accounts, rate basis, registration trigger — the applied rule cited to the statute (EU, UK & South Africa; defined supply pairs) | base | USDC | $0.05 | exact |
| https://usaref.dev/v1/jobs/charge-sale/certified Charge this sale, certified: the charge-this-sale dossier plus an Ed25519-signed certified extract of the governing VAT rate (source fingerprint, last confirmed) for filing. Refused free if uncertifiable. | base | USDC | $0.75 | exact |
| https://usaref.dev/v1/jobs/hire-compare/multi Hire compare (3-5 countries): employer cost, contributions, on-cost % and wage-floor verdict side by side, ranked, cited. Countries: AE, AU, CA, DE, ES, GB, IT, MX, PL, US. Others refused free. | base | USDC | $1.00 | exact |
| https://usaref.dev/v1/jobs/next-filings Next filings: upcoming VAT, PAYE and corporate-tax due dates in a window, rolled for weekends and public holidays, each rule cited. Countries here: CA, DO, US. Others refused free. | base | USDC | $0.35 | exact |