# 9 BSG alternatives in 2026 Last updated: November 8, 2026. BSG alternatives for phone validation APIs. They include Address Guard, Byteplant and CheckNumber.AI. BSG's website is bsg.world. ## Phone validation API alternatives On our [BSG plan pages](https://datacircle.dev/validate-phone-apis/bsg/contact-us-number-verifier-put-rest-hlr-check), we compare each BSG plan with other providers' plans. We list other providers' plans below. - [Address Guard, contact us](https://datacircle.dev/validate-phone-apis/address-guard/contact-us): no price per 1,000 phones - [Byteplant, contact us](https://datacircle.dev/validate-phone-apis/byteplant/free#contact-us): no price per 1,000 phones - [CheckNumber.AI, contact us, Custom plan, POST /v1/tasks, WhatsApp Advanced](https://datacircle.dev/validate-phone-apis/checknumber-ai/free-trial-post-v1-tasks-whatsapp-advanced#contact-us-custom-plan-post-v1-tasks-whatsapp-advanced): no price per 1,000 phones - [Credify, contact us, Comercial, POST /validawhatsapp](https://datacircle.dev/validate-phone-apis/credify/free-autosservico-post-validawhatsapp#contact-us-comercial-post-validawhatsapp): no price per 1,000 phones - [Data8, contact us, Bespoke deals, POST /PhoneValidation/IsValid.json, IsValid](https://datacircle.dev/validate-phone-apis/data8/free#contact-us): no price per 1,000 phones - [Foxentry, contact us, Above 100 000 req / month, POST /phone/validate, Validate phone number (extended)](https://datacircle.dev/validate-phone-apis/foxentry/free-trial-post-phone-validate-validate-phone-number-extended#contact-us-above-100-000-req-month-post-phone-validate-validate-phone-number-extended): no price per 1,000 phones - [HLR Lookups, contact us, Postpaid account, POST /hlr-lookups](https://datacircle.dev/validate-phone-apis/hlr-lookups/free-100-free-lookups-post-hlr-lookups#contact-us-postpaid-account-post-hlr-lookups): no price per 1,000 phones - [Notificore, contact us, For large volumes, POST /rest/hlr/create](https://datacircle.dev/validate-phone-apis/notificore/top-up-from-150-post-rest-hlr-create#contact-us-post-rest-hlr-create): no price per 1,000 phones - [WasenderAPI, contact us](https://datacircle.dev/validate-phone-apis/wasenderapi/free#contact-us): no price per 1,000 phones Compare every phone validation API plan: [Phone validation API pricing: free and cheapest plans compared](https://datacircle.dev/phone-validation-api-pricing) ## See also - [Address Guard alternatives](https://datacircle.dev/address-guard-alternatives) - [Byteplant alternatives](https://datacircle.dev/byteplant-alternatives) - [CheckNumber.AI alternatives](https://datacircle.dev/checknumber-ai-alternatives) - [Credify alternatives](https://datacircle.dev/credify-alternatives) - [Data8 alternatives](https://datacircle.dev/data8-alternatives) - [Foxentry alternatives](https://datacircle.dev/foxentry-alternatives) - [HLR Lookups alternatives](https://datacircle.dev/hlr-lookups-alternatives) - [Notificore alternatives](https://datacircle.dev/notificore-alternatives)