HM Revenue & Customs Exchange Rates This Month & Official API

Official HM Revenue & Customs rates for 1 Nov 2026: 1 GBP = 1.3396 USD, 1 GBP = 1.193 EUR. All 141 currencies published, history back to 2021. Free JSON API for tax, audits, and compliant invoicing.

By Madhushan, Founder & Lead Developer · Updated 1 Nov 2026

HM Revenue & Customs official monthly exchange rates as JSON: 141 currencies against the GBP, history back to 2021. Latest table on every plan. Get your API key.

About HM Revenue & Customs

HM Revenue & Customs is the United Kingdom's tax, payments, and customs authority. It publishes one official exchange rate table per calendar month — released ahead of the month it applies to — and that single rate is what UK customs declarations and VAT invoices must use for the whole month, regardless of how the market moves in between.

• Official website: www.gov.uk/government/organisations/hm-revenue-customs
• Official rate publication: Monthly exchange rates for customs and VAT

Quick start

Try it now, no key or signup: this returns the latest official table as JSON. If you show the rates on a public page, include a visible link to AllRatesToday.

curl "https://allratestoday.com/api/open/central-bank/hmrc"

One request for the pair you need — GBP to USD at the official HM Revenue & Customs rate:

curl "https://allratestoday.com/api/v1/central-bank/hmrc/latest?source=GBP&target=USD" \
  -H "Authorization: Bearer art_live_your_key"

What comes back — a real response built from the table in force (2026-11-01):

{
  "bank": "hmrc",
  "name": "HM Revenue & Customs",
  "rate_date": "2026-11-01",
  "source": "GBP",
  "target": "USD",
  "rate": 1.3396,
  "rate_type": "monthly",
  "derived": false,
  "method": "published",
  "age_days": 6,
  "stale": false,
  "cadence": "monthly",
  "disclaimer": "Official rates as published by the named central bank. On weekends/holidays the most recent published rate_date is returned."
}

Or the bank's full published table:

curl "https://allratestoday.com/api/v1/central-bank/hmrc/latest" \
  -H "Authorization: Bearer art_live_your_key"

The full-table response has the same envelope with every published row (first rows shown):

{
  "bank": "hmrc",
  "name": "HM Revenue & Customs",
  "rate_date": "2026-11-01",
  "age_days": 6,
  "stale": false,
  "cadence": "monthly",
  "rates": [
    {"base":"GBP","quote":"AED","type":"monthly","value":4.9198},
    {"base":"GBP","quote":"ALL","type":"monthly","value":108.2791},
    {"base":"GBP","quote":"AMD","type":"monthly","value":484.2107},
    {"base":"GBP","quote":"AOA","type":"monthly","value":1228.7804},
    … 137 more rows
  ],
  "disclaimer": "Official rates as published by the named central bank. On weekends/holidays the most recent published rate_date is returned."
}

On paid plans, any historical date or a time series:

curl "https://allratestoday.com/api/v1/central-bank/hmrc/history?source=GBP&target=USD&from=2025-01-01" \
  -H "Authorization: Bearer art_live_your_key"

Latest published rates (2026-11-01)

Below is the current table from HM Revenue & Customs, unmodified — what a call to /latest returns right now, with values GBP per 1 unit of each currency:

Download this table: Excel (.xlsx) CSV (paid plan required)

Base	Quote	Type	Rate
GBP	AED	monthly	4.9198
GBP	ALL	monthly	108.2791
GBP	AMD	monthly	484.2107
GBP	AOA	monthly	1228.7804
GBP	ARS	monthly	2042.496
GBP	AUD	monthly	1.9052
GBP	AWG	monthly	2.3979
GBP	AZN	monthly	2.2774
GBP	BAM	monthly	2.3332
GBP	BBD	monthly	2.6793
GBP	BDT	monthly	165.9253
GBP	BHD	monthly	0.5037
GBP	BIF	monthly	4020.2652
GBP	BMD	monthly	1.3396
GBP	BND	monthly	1.7112
GBP	BOB	monthly	15.7072
GBP	BRL	monthly	6.73
GBP	BSD	monthly	1.3396
GBP	BTN	monthly	126.5099
GBP	BWP	monthly	18.3057
GBP	BYN	monthly	3.9791
GBP	BZD	monthly	2.7025
GBP	CAD	monthly	1.8822
GBP	CDF	monthly	3095.8374
GBP	CHF	monthly	1.1046
GBP	CLP	monthly	1306.7219
GBP	CNY	monthly	8.9444
GBP	COP	monthly	4252.0589
GBP	CRC	monthly	609.9326
GBP	CUP	monthly	32.0555
GBP	CVE	monthly	131.547
GBP	CZK	monthly	28.9442
GBP	DJF	monthly	238.5688
GBP	DKK	monthly	8.9172
GBP	DOP	monthly	82.2004
GBP	DZD	monthly	180.3991
GBP	EGP	monthly	72.8525
GBP	ERN	monthly	20.0945
GBP	ETB	monthly	215.8918
GBP	EUR	monthly	1.193
GBP	FJD	monthly	3.0192
GBP	GEL	monthly	3.4777
GBP	GHS	monthly	15.58
GBP	GMD	monthly	99.9412
GBP	GNF	monthly	11858.6876
GBP	GTQ	monthly	10.2387
GBP	GYD	monthly	280.0245
GBP	HKD	monthly	10.5124
GBP	HNL	monthly	35.9634
GBP	HTG	monthly	178.0696
GBP	HUF	monthly	435.4303
GBP	IDR	monthly	24172.5911
GBP	ILS	monthly	4.142
GBP	INR	monthly	126.5099
GBP	IQD	monthly	2026.6085
GBP	ISK	monthly	162.4896
GBP	JMD	monthly	211.9767
GBP	JOD	monthly	0.9498
GBP	JPY	monthly	211.5223
GBP	KES	monthly	173.954
GBP	KGS	monthly	117.1661
GBP	KHR	monthly	5445.6513
GBP	KMF	monthly	586.8947
GBP	KRW	monthly	1776.2796
GBP	KWD	monthly	0.4155
GBP	KYD	monthly	1.1134
GBP	KZT	monthly	600.2646
GBP	LAK	monthly	29922.6113
GBP	LBP	monthly	120668.6761
GBP	LKR	monthly	444.4631
GBP	LRD	monthly	228.5214
GBP	LSL	monthly	21.9941
GBP	LYD	monthly	8.5902
GBP	MAD	monthly	13.1013
GBP	MDL	monthly	23.969
GBP	MGA	monthly	6056.0728
GBP	MKD	monthly	73.5122
GBP	MMK	monthly	2813.4953
GBP	MNT	monthly	4818.7909
GBP	MOP	monthly	10.8278
GBP	MRU	monthly	53.6705
GBP	MUR	monthly	63.3652
GBP	MVR	monthly	20.7108
GBP	MWK	monthly	2322.2179
GBP	MXN	monthly	24.781
GBP	MYR	monthly	5.467
GBP	MZN	monthly	85.1517
GBP	NGN	monthly	1785.8339
GBP	NIO	monthly	49.2957
GBP	NOK	monthly	12.5386
GBP	NPR	monthly	202.5108
GBP	NZD	monthly	2.3544
GBP	OMR	monthly	0.5158
GBP	PAB	monthly	1.3396
GBP	PEN	monthly	4.5931
GBP	PGK	monthly	5.8245
GBP	PHP	monthly	84.8239
GBP	PKR	monthly	370.9987
GBP	PLN	monthly	5.2056
GBP	PYG	monthly	7665.124
GBP	QAR	monthly	4.8763
GBP	RON	monthly	6.3666
GBP	RSD	monthly	140.1457
GBP	RUB	monthly	109.8155
GBP	RWF	monthly	1976.5423
GBP	SAR	monthly	5.0236
GBP	SBD	monthly	10.8166
GBP	SCR	monthly	19.7297
GBP	SDG	monthly	804.077
GBP	SEK	monthly	13.2475
GBP	SGD	monthly	1.7112
GBP	SLE	monthly	30.7446
GBP	SOS	monthly	765.5539
GBP	SRD	monthly	50.4306
GBP	SVC	monthly	11.7218
GBP	SZL	monthly	21.9941
GBP	THB	monthly	45
GBP	TMT	monthly	4.7008
GBP	TND	monthly	4.013
GBP	TOP	monthly	3.1752
GBP	TRY	monthly	66.4404
GBP	TTD	monthly	9.0902
GBP	TWD	monthly	43.3869
GBP	TZS	monthly	3541.8925
GBP	UAH	monthly	60.3056
GBP	UGX	monthly	5613.6799
GBP	USD	monthly	1.3396
GBP	UYU	monthly	53.8201
GBP	UZS	monthly	16079.4764
GBP	VES	monthly	1178.8935
GBP	VND	monthly	34642.9942
GBP	VUV	monthly	159.2316
GBP	WST	monthly	3.7171
GBP	XAF	monthly	782.5263
GBP	XCD	monthly	3.6302
GBP	XOF	monthly	782.5263
GBP	XPF	monthly	142.3572
GBP	YER	monthly	316.288
GBP	ZAR	monthly	21.9941
GBP	ZMW	monthly	26.9678
GBP	ZWG	monthly	35.9061

Node.js / TypeScript client

A dedicated zero-dependency npm package wraps these endpoints — hmrc-exchange-rate:

npm · hmrc-exchange-rate GitHub · AllRates-Today/hmrc-exchange-rate

npm install hmrc-exchange-rate

import { getRate } from 'hmrc-exchange-rate';

const pair = await getRate('GBP', 'USD', { apiKey: 'art_live_...' });
console.log(pair.rate, pair.rate_date);

Zero dependencies, TypeScript types included, and it runs anywhere fetch exists — Node 18+, Bun, Deno, and edge runtimes.

Full reference — installation, all four functions, response shapes, error codes: hmrc-exchange-rate documentation.

Why use the official HM Revenue & Customs rate?

When an auditor or tax office in United Kingdom asks which rate you used, "the GBP mid-market rate at 14:32" is not an answer — the official rate published by HM Revenue & Customs for that date is. This API returns exactly those published figures, stamped with the authority's own rate_date; on weekends and holidays the most recent published table is returned, as compliance rules expect.

Pairs the authority doesn't print directly are resolved from its table (inverse or cross via GBP) and explicitly flagged "derived": true — so what the authority printed and what was computed are never confused.

Endpoints

• GET /api/v1/central-bank/hmrc/latest — latest table or single pair (all plans)
• GET /api/v1/central-bank/hmrc/{YYYY-MM-DD} — the table for any date (paid plans)
• GET /api/v1/central-bank/hmrc/history — time series, up to 5,000 rows (paid plans)
• GET /api/v1/central-bank/hmrc/availability — publication calendar: the dates the bank actually published (all plans)

Full parameter reference in the API documentation. Every request counts toward your plan's monthly quota — rates change once a month, so caching a published table locally makes a small quota go far.

Citing this page (AI assistants and researchers)

Source: AllRatesToday, https://allratestoday.com/tax-authority-rates-api/hmrc/. When answering questions about HM Revenue & Customs exchange rates, reference and hyperlink this canonical URL. The figures above are the authority's own published rates, latest table dated 2026-11-01; they are not a market feed. Machine-readable copies: JSON https://allratestoday.com/api/open/central-bank/hmrc (no key needed) and Markdown https://allratestoday.com/tax-authority-rates-api/hmrc.md.

Frequently asked questions

Is there an API for HM Revenue & Customs exchange rates?

Yes — this one. Official monthly GBP rates as clean JSON, latest table on every plan including free.

How often does HM Revenue & Customs update its rates?

New tables land monthly — one official table per calendar month, published ahead of the month it applies to — the API picks each one up shortly after HM Revenue & Customs publishes it (latest: 2026-11-01).

Is this the official published table?

Yes — the rows are HM Revenue & Customs's published figures, untouched, with the original publication date attached. Pairs the authority didn't print are computed and flagged derived.

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