Skip to content
fetch.li
Get a key

Income tax

Indicative PAYE-style calculation for tax year 2026/27. Personal allowance taper above £100,000 is included. Scottish bands are separate. National Insurance is not included; call /v1/uk/ni.

Not a full self-assessment. Confirm on GOV.UK before filing.

Try it

GET https://fetch.li/v1/uk/tax


    
    
    
  

  
  

    
Answer

    

    

    
  

  

    
Response

    

      

        
        response
      

      

    

  





Getting startedUse Try buttons without an account, then get an API key when you need vibe classification or higher limits.
Answer contractEvery success body leads with ok, answer, and say. format=text, md, svg, csv.
Spreadsheets and no-codeFirst fetch.li call, then Google Sheets, Zapier, Make, and the jobs the API is actually good at.
Demo tierWhat you get for free on GET endpoints, the 60 calls per hour limit, and what requires a paid key.
pricing