Three UK

aid: three-uk
url: https://raw.githubusercontent.com/api-evangelist/three-uk/refs/heads/main/apis.yml
name: Three UK
kind: company
description: 'Three UK (Hutchison 3G UK Limited, Reading, England) is a United Kingdom mobile network operator that launched
  in 2003 as the country''s first 3G-only carrier and grew into a consumer and business mobile, 5G, and home broadband provider,
  also operating the SMARTY sub-brand. Since 31 May 2025 Three UK has been a wholly owned subsidiary of VodafoneThree, the
  merged Vodafone UK / Three UK joint venture that is 51% Vodafone Group and 49% CK Hutchison Holdings, serving roughly 27
  million UK customers. In the telecom value chain Three UK is a network owner and access provider, not a developer platform:
  it sells connectivity, spectrum-backed coverage, wholesale and MVNO capacity, and business connectivity, while its group-level
  enterprise, IoT, private-network and wholesale propositions are marketed through CK Hutchison''s CKH IOD and Three Group
  Solutions. Its API posture is partner-gated and sales-led. Three UK publishes no public developer portal, no self-serve
  signup, no downloadable OpenAPI, no SDKs, and no public Postman workspace; every candidate developer hostname (developer,
  developers, docs, apis, sandbox, opengateway) resolves only to a wildcard Akamai record whose certificate does not cover
  it, and the Wayback Machine holds no snapshot of a Three UK developer portal ever existing. Three UK is nonetheless a real
  participant in the sector''s standards layer: it is named in the CAMARA Project''s governance participants list, its parent
  CK Hutchison Holdings is listed as an Operator in the CAMARA landscape, and on 23 September 2025 CK Hutchison Group Telecom
  (Three) commercially launched CAMARA KYC Age Verification and KYC Tenure network APIs alongside BT/EE, Virgin Media O2,
  and Vodafone under GSMA Open Gateway, on top of an already-available SIM Swap API, with KYC Match committed. Those APIs
  are reachable only through channel partners and aggregators — JT Group and TMT.ID are named as processing UK operator network
  API traffic, and Three UK''s majority owner Vodafone Group is a founding venture partner in Aduna — never through a Three
  UK developer surface.'
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: false
  label: Hosted service · you call their endpoint
  confidence: medium
  source:
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source:
  - security
  generated: '2026-09-02'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
- Telecommunications
- United Kingdom
- Mobile Network Operator
- Network APIs
- CAMARA
- GSMA Open Gateway
- 5G
- Broadband
- Roaming
- SIM Swap
- Identity Verification
- Age Verification
- Wholesale
- MVNO
- Partner Gated
created: '2026-07-25'
modified: '2026-07-25'
specificationVersion: '0.23'
apis: []
common:
- type: DomainSecurity
  url: security/three-uk-domain-security.yml
- type: WellKnown
  name: Well-known discovery probe index
  url: well-known/three-uk-well-known.yml
- type: Conformance
  name: CAMARA / GSMA Open Gateway conformance posture
  url: conformance/three-uk-conformance.yml
- type: Lifecycle
  name: Network service lifecycle
  url: lifecycle/three-uk-lifecycle.yml
- type: StatusPage
  name: Network status - affected areas
  url: https://www.three.co.uk/support/network-and-coverage/affected-areas
- type: Packages
  name: Client library search (no first-party SDKs)
  url: packages/three-uk-packages.yml
- type: LLMsTxt
  name: llms.txt
  url: llms/three-uk-llms.txt
- type: Website
  url: https://www.three.co.uk/
- type: BusinessWebsite
  url: https://www.three.co.uk/business
- type: Blog
  url: https://www.three.co.uk/blog
- type: Support
  url: https://www.three.co.uk/support
- type: GroupWebsite
  url: https://groupsolutions.three.com/
- type: ParentWebsite
  url: https://ckhiod.com/
- type: Login
  name: My3 account
  url: https://www.three.co.uk/account
- type: TermsOfService
  url: https://www.three.co.uk/terms-conditions
- type: PrivacyPolicy
  name: Three's privacy portal
  url: https://www.three.co.uk/privacy-safety/about-privacy
- type: Pricing
  name: Latest price guides
  url: https://www.three.co.uk/terms-conditions/price-guides/latest-price-guides
- type: LinkedIn
  url: https://www.linkedin.com/company/three-uk
- type: Standards
  url: https://github.com/camaraproject/Governance/blob/main/PARTICIPANTS.MD
- type: Standards
  url: https://camaraproject.org/
- type: Standards
  url: https://www.gsma.com/solutions-and-impact/gsma-open-gateway/
- type: PressRelease
  url: https://www.gsma.com/newsroom/press-release/uk-mobile-operators-launch-age-verification-and-anti-fraud-apis-through-gsma-open-gateway-initiative/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com