https://zaref.dev/calc/crypto-taxGET /calc/crypto-tax · x402 API by zaref
South African crypto-tax calculator. Estimated SA tax on crypto asset gains: revenue-nature profits taxed at the marginal rate, capital-nature gains via CGT with the annual exclusion and 40% inclusion. Handles staking/mining/airdrop receipts and FIFO batch matching of a raw buy/sell transaction list. Computed from officially-sourced tables. Example: /calc/crypto-tax?capital_gain=150000&revenue_gain=50000&other_taxable_income=600000&age=35
What does this x402 API do?
https://zaref.dev/calc/crypto-tax. This is an x402-gated GET API resource from zaref. TOLL·402 confirmed a protocol-valid HTTP 402 quote on 2026-08-05. No normalized USD price is recorded; the listing names Base. No settled paid call has been verified.
- Published price
- No normalized USD price is recorded
- Networks
- Base
- Latest evidence
- TOLL·402 confirmed a protocol-valid HTTP 402 quote on 2026-08-05
- Resource ID
- 7229aa1351b3f5a22173b755
Start with a quote-only recipe. Payment signing stays in your project.
const response = await fetch("https://zaref.dev/calc/crypto-tax", {
method: "GET",
});
console.log(response.status);
console.log(Object.fromEntries(response.headers));
console.log((await response.text()).slice(0, 1000));
// A valid 402 is a quote, not a completed paid call.This sends no payment. Inspect the 402 response before adding a wallet-enabled client.
- Observed in cdp-bazaar
The registry record was observed and retained with provenance.
- Observed in 402-index
Discovered through bazaar.
- Live 402 quote confirmed
GET returned a protocol-valid 402 quote (402). No payment was made.
- Origin reachable
HEAD https://zaref.dev/ returned 200.
- Registry record checked
Registry health: healthy.
What evidence supports this listing?
Each record has an exact-route quote outcome. Unresolved templates and potentially mutating methods are labeled instead of being invoked without provider-specific test input. A quote is still separate from a settled paid call. Read the discovery and verification methodology →
Which networks and payment options does it accept?
The normalized listing price is No normalized USD price is recorded. Raw protocol requirements remain visible below for implementation and audit use.