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Umbrella Fee Index

A small, machine-readable dataset that aggregates published umbrella company margins and accountant fee figures in GBP. Provides median, range and individual source rows with retrieval dates.

Open documentation ↗
AuthHTTPSCORS?Open Data

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
282ms

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

How to call it

A starting template for Umbrella Fee Index. 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://contractorpaycalculator.co.uk/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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Umbrella Fee Index — common questions

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

Is Umbrella Fee Index free to use?

Umbrella Fee Index 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 Umbrella Fee Index need an API key?

Umbrella Fee Index requires some form of authentication. Check the provider's documentation for which scheme it expects.

Can I call Umbrella Fee Index from browser JavaScript?

We could not confirm CORS support for Umbrella Fee Index. 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 Umbrella Fee Index still working?

Yes, as of 2026-10-14. Our automated check reached Umbrella Fee Index and recorded a 100% reliability score with a median response time of 282 ms. We re-check on a schedule, and this page updates with the result.

Is Umbrella Fee Index available over HTTPS?

Yes. Umbrella Fee Index serves over HTTPS, so you can call it from a secure page without triggering a mixed-content block.