open-gateway

OpenAPI 3.1 spec — MX Labs Open Gateway Number Verification (CAMARA)

Silent phone verification (CAMARA) with SMS OTP fallback — Node SDK

Attested windowed disclosure for telecom network APIs — requesters state a predicate, floor and nonce; operators answer with a signed, nonce-bound, expiring boolean, never a raw value. Aggregators meter but cannot read. Standards staging for the CAMARA and AAIF tracks.

Infobip is a global communications platform as a service (CPaaS) provider headquartered in Vodnjan, Croatia, and is Croatia's largest technology company. It sells programmable messaging, voice, video, email and customer engagement APIs on top of direct connections into mobile network operators worldwide, sitting in the aggregator layer of the…

Optus (Singtel Optus Pty Limited) is Australia's second-largest telecommunications carrier, wholly owned by Singapore's Singtel and headquartered in Macquarie Park, Sydney. It runs a national mobile network reaching over 99% of the Australian population, alongside NBN and cable broadband, satellite capacity inherited from AUSSAT, enterprise and…

Mavenir is a US-headquartered (Richardson, Texas) cloud-native telecom network software vendor that builds the software operators run rather than a network or a developer platform of its own.

MEF — rebranded as Mplify Alliance on 24 June 2025 — is a US-headquartered nonprofit industry alliance of network, cloud, cybersecurity and enterprise organizations that defines the standards behind Carrier Ethernet, SD-WAN, SASE and Network-as-a-Service, and that publishes the LSO (Lifecycle Service Orchestration) API suite used by carriers to…

The GSMA (GSM Association) is the London-headquartered global trade body for the mobile industry, representing roughly 750 mobile network operators and around 400 companies in the wider mobile ecosystem, and the organiser of MWC Barcelona.

Bharti Airtel Limited is an Indian multinational telecommunications operator headquartered in New Delhi, and one of the two dominant mobile network operators in its home market of India alongside Reliance Jio.

Nokia Network as Code is the network-API exposure and aggregation platform operated by Nokia Oyj from Espoo, Finland, launched in September 2023 to make CAMARA-standardised mobile network capabilities commercially reachable by ordinary application developers.

Swisscom is Switzerland's largest telecommunications provider and the incumbent mobile network operator, fixed-line carrier and IT services company for the Swiss market, majority-owned by the Swiss Confederation and also operating Fastweb in Italy.

Orange Business is the B2B, telco-cloud, and developer arm of Orange S.A. — France's leading telecommunications group operating across Europe, the Middle East, and Africa. The company markets itself as "an operator, integrator, and platform player" and serves 30,000+ enterprise customers across 65 countries with cloud, cybersecurity, SD-WAN/SASE…

NTT DOCOMO, Inc. is Japan's largest mobile network operator and a wholly owned subsidiary of Nippon Telegraph and Telephone (NTT), serving roughly 90 million mobile subscriptions in its home market of Japan across the docomo, ahamo and irumo brands, alongside the d ACCOUNT identity, d POINT loyalty, d Payment wallet and Lemino media franchises.

GSMA Open Gateway is the mobile industry's operator-commitment and certification layer for network APIs, run by the GSM Association from its London headquarters in the United Kingdom.

Liberty Global is a London-headquartered converged connectivity group that owns and operates fixed-broadband and mobile networks across Europe, mostly through joint ventures rather than under its own brand — Virgin Media O2 in the United Kingdom (50/50 with Telefonica), VodafoneZiggo in the Netherlands (50/50 with Vodafone Group), Telenet in…

Silent phone verification (CAMARA) with SMS OTP fallback — Python SDK

CAMARA is the Telco Global API Alliance — an open-source project hosted by the Linux Foundation that defines, builds, and tests a unified set of network APIs across the world's mobile operators.

TIM S.p.A. (formerly Telecom Italia) is the incumbent Italian telecommunications operator headquartered in Rome and one of the largest telcos in Europe. The group operates fixed and mobile networks across Italy under the TIM Consumer and TIM Enterprise brands, runs TIM Brasil (the second-largest mobile operator in Brazil), and owns a portfolio of…

CAMARA is an open-source Linux Foundation project developing standardized, open, and globally-available telecom APIs as part of the Telco Global API Alliance. Founded and supported by AT&T, Deutsche Telekom, Ericsson, Google Cloud, Microsoft, Nokia, Telefonica, Vodafone, GSMA, and many others, CAMARA defines consistent, operator-agnostic network…

Singtel (Singapore Telecommunications Limited) is Singapore's largest mobile network operator and the anchor communications group of Southeast Asia, with a regional footprint that includes Optus in Australia and associate stakes in Airtel, AIS, Globe and Telkomsel.