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UK CGT Rates

Public, machine-readable dataset of UK Capital Gains Tax rates, annual exempt amounts and related allowances by tax year. Data is published as downloadable JSON and CSV with source citations and retrieval dates.

Open documentation ↗
AuthHTTPSCORS?Finance

Verified today: 100% uptime

API key

Unconfirmed

HTTPS

Supported

Browser calls

Unconfirmed

Status

Live · 95/100

What our checks found

Health score
95/100
Reliability
100%
Average latency
351ms

Last checked 2026-10-14. Measured independently, not self-reported by the provider.

How to call it

A starting template for UK CGT Rates. Replace ENDPOINT with the path from the official documentation, which we link above rather than guess at.

# Authentication requirement is unconfirmed. Check the documentation before relying on this.
curl -s "https://exitvaluecalculator.com/ENDPOINT" \
  -H "Authorization: Bearer YOUR_TOKEN" \
  -H "Accept: application/json"

Where this listing comes from

Aggregated from one public source (freepublicapis), then normalised and checked by us.

Report an issue with this listing ↗

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UK CGT Rates — common questions

Answered from what our own scheduled checks found, not from the provider's marketing.

Is UK CGT Rates free to use?

UK CGT Rates is listed in our free catalogue, but it requires some form of authentication, so you will need to register before your first call. Providers frequently reserve higher limits and commercial use for paid plans.

Does UK CGT Rates need an API key?

UK CGT Rates requires some form of authentication. Check the provider's documentation for which scheme it expects.

Can I call UK CGT Rates from browser JavaScript?

We could not confirm CORS support for UK CGT Rates. Test it from a browser before relying on it client-side; if the request succeeds in curl but fails in the console, CORS is the reason.

Is UK CGT Rates still working?

Yes, as of 2026-10-14. Our automated check reached UK CGT Rates and recorded a 100% reliability score with a median response time of 351 ms. We re-check on a schedule, and this page updates with the result.

Is UK CGT Rates available over HTTPS?

Yes. UK CGT Rates serves over HTTPS, so you can call it from a secure page without triggering a mixed-content block.