United Kingdom & Ireland
UK and Republic of Ireland — England, Scotland, Wales, Northern Ireland, plus Ireland.
United Kingdom & Ireland on the APIs.io network surfaces 14 providers mapped to this sales region — together publishing 74 indexed APIs.
Notable providers include Yapily, Octopus Energy, HMRC UK Tax Authority, TransportAPI, Linguatools, Humaans, and 8 more — each profile links out to that provider’s APIs, capabilities, schemas, and governance artifacts.
Related regions by shared providers: Africa. Browse every sales region at regions.apis.io.
Region mapping is derived from provider tags and provider-name pattern matching — it surfaces what is explicitly signalled in the structured data and intentionally does not infer further. Many providers operate across multiple regions; cross-listings are expected.
About this region
APIs based in or primarily serving the United Kingdom and Republic of Ireland. Strong concentration in open banking, fintech, RegTech, and the broader financial-services API surface — driven in part by the FCA’s open-banking mandate.
Providers (14)
| Provider | Description | APIs | Rating |
|---|---|---|---|
| Yapily | Yapily is a UK-headquartered Open Banking platform that exposes a single REST API across 2,000+ banks in the UK and 18+ European countries. The platform provides AISP (Account I... | 9 | developing |
| Octopus Energy | Octopus Energy is a UK-founded retail energy supplier and the parent of Kraken Technologies, the AI-powered energy operating system that runs both Octopus and many of the world'... | 3 | developing |
| HMRC UK Tax Authority | HM Revenue and Customs (HMRC) provides over 115 APIs through the HMRC Developer Hub for UK tax compliance including Making Tax Digital for VAT and Income Tax, PAYE, customs decl... | 5 | developing |
| TransportAPI | TransportAPI is a managed data service provider for UK public transport, offering real-time and scheduled bus, rail, and multimodal transport data via REST and WebSocket APIs to... | 1 | developing |
| Linguatools | Linguatools provides language APIs including a collocations dictionary with more than 2 million English collocations, a sentence generator, and a multilingual disambiguator. The... | 1 | developing |
| Humaans | Humaans is a London-headquartered modern HRIS (Human Resources Information System) for fast-growing, distributed teams. The platform combines a best-in-class system of record — ... | 1 | thin |
| Science Museum Group | The Science Museum Group operates five UK science and technology museums: the Science Museum (London), the Science and Industry Museum (Manchester), the National Railway Museum ... | 1 | thin |
| National Energy System Operator | The National Energy System Operator (NESO) is the independent operator responsible for planning and operating Great Britain's electricity and gas networks. NESO publishes operat... | 1 | thin |
| NHS England Digital | NHS England (incorporating the former NHS Digital and NHSX) provides national digital, data, and technology services for the NHS in England. The organization operates the Spine,... | 7 | thin |
| Sage Accounting | Sage Accounting (formerly Sage Business Cloud Accounting and Sage One) is Sage's cloud-based accounting software for UK and international small and medium businesses, covering i... | 1 | minimal |
| British Columbia Data Catalogue | The British Columbia Data Catalogue is the official open data portal for the Government of British Columbia, Canada. Built on the CKAN open data platform, it provides programmat... | 1 | minimal |
| Breathe HR | Breathe is a UK-headquartered cloud HRIS designed for small and midsize businesses, covering employee records, holiday and sickness tracking, performance, documents, expenses, a... | 1 | minimal |
| BT Group | BT Group plc (British Telecommunications) is the United Kingdom's largest fixed-line, broadband, and mobile communications provider, headquartered in London with operations span... | 15 | minimal |
| Vodafone | Vodafone Group plc is a UK-headquartered (Newbury, England) multinational telecommunications company and one of the world's largest mobile and fixed network operators, with oper... | 27 | minimal |
APIs in this region (74)
All 74 APIs.
Address Management API
Appointment Management API
BT Wholesale HubCo WHCE API
Broadband One Order API
Direct Carrier Billing API
Global Voice Services API
Home Network API
IMEI Lookup API
Location Insights for London API
Network Identity API
Product and Network Availability API
Quote Management (Ethernet)
Rail Insights API
SIM Swap Detection API
Travel Journey API Platform
Breathe HR REST API
BC Data Catalogue CKAN API
HMRC Corporation Tax API
HMRC Customs Declarations API
HMRC PAYE (Pay As You Earn) API
HMRC Self Assessment API
HMRC VAT (Making Tax Digital) API
Humaans API
Linguatools Collocations API
Electronic Prescription Service (EPS) FHIR API
GP Connect API
NHS England API Platform
NHS Login API
Personal Demographics Service (PDS) FHIR API
Summary Care Record (SCR) API
e-Referral Service (e-RS) FHIR API
NESO Data Portal API
Octopus Energy Kraken GraphQL API
Octopus Energy Kraken REST API
Octopus Energy Public API
Sage Accounting v3.1 REST API
Science Museum Group Collection API
TransportAPI
Active Subscriber
Age Verify
Block SIM
Brand Registration
Call Divert
Get PUK Code
Home Network Check
MVNO Discovery
Match (CAMARA)
Number Lookup
Number Recycle
Number Recycling (CAMARA)
Number Verification 1.0 (CAMARA)
Number Verification 2.0 (CAMARA)
QoS Provisioning
Quality of Service Profiles
Quality on Demand
SIM Swap (CAMARA)
SMS Messaging Hub
TMF931 — Onboarding And Ordering
Tenure
Verified Caller
Vodafone Analytics — Footfall Historic Order
Vodafone Analytics — Free Location Dataset
Vodafone Analytics — Real-time Footfall
Vodafone Analytics — Reference QuadKey Helper
Vodafone Roaming Services (VRS)
Yapily Beneficiaries API
Yapily Consents and Authorisations API
Yapily Data Access API (AIS)
Yapily Data Plus API
Yapily Hosted Pages API
Yapily Institutions API
Yapily Payments API (PIS)
Yapily Platform API
Yapily Variable Recurring Payments API
Related regions
Mapped via tag aliases (United Kingdom, UK, Britain, British, England, English, Scotland, Scottish …) and provider-name patterns (UK, Britain, British, Ireland).