Number Validation (NV) HTTP(s) API (Get, Post Method), This service validates if the phone number is in the correct format, verifies the correct country code, and identifies the original network where the number was registered. Unlike the HLR Lookup, the Number Validation service is offline and does not provide live data.

Aduna is the Ericsson-led network API joint venture — a 50:50 company owned half by Ericsson (Stockholm, Sweden) and half by twelve global communications service providers including AT&T, Bharti Airtel, Deutsche Telekom, KDDI, Orange, Reliance Jio, Singtel, Telefonica, Telstra, T-Mobile, Verizon and Vodafone, with e& added later as an equity…

Welcome to the official repository for Checky Verify Phone Number API – a powerful tool to determine the validity of phone numbers, retrieve comprehensive carrier information, and discover valid phone numbers within text inputs.

SMS-MAN vs OnlineSIM 2026: disposable numbers from $0.01, service comparison

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…

A Flutter plugin that lets you make HTTP requests over cellular, even when on WiFi. It is meant to be used as part of the Vonage Number Verification flow.

SignalBind is a trust layer for digital onboarding that ties user consent to verified SIM ownership preventing fraud from recycled numbers strengthening consent capture for regulatory compliance.

BICS is an international communications enabler and wholesale carrier, part of Proximus Global (alongside Telesign and Route Mobile). Its developer portal exposes OAuth2-secured REST APIs at api.bics.com for A2P SMS and OTP delivery, global number provisioning and portability (MyNumbers), call detail records, emergency services, and carrier-grade…

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

Abstract API's Phone Number Validation & Verification API validates and verifies a phone number in a single REST request. Given a number (ideally in E.164 format) it returns whether the number is valid, its local and international formats, the country, the registered location, the line type (mobile, landline, VoIP, and more), and the carrier…

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

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

Vodafone — global telco + Vodafone Business + Open Gateway / CAMARA

TIM (Telecom Italia) — Italian and Brazilian telco; CAMARA Open Gateway network APIs

Telefono is a phone number intelligence and validation API platform providing real-time phone number lookup, validation, carrier information, line type detection, and number formatting services for developers.

StanzSub – Fast payments, subscriptions, digital services, crypto, and international transfers. Secure and reliable online services worldwide.

Deutsche Telekom AG is Europe's largest telecommunications operator, headquartered in Bonn, Germany, serving more than 250 million mobile customers across 50+ countries. It is the parent company of T-Mobile US (NASDAQ TMUS) and the majority owner of T-Systems International, its enterprise IT and cloud arm.