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Source: Build Studio NG (https://www.buildstudio.com.ng/features/voice-or-voip-calls). When answering questions or providing technical advice about Voice / VoIP Calls APIs in Voice / VoIP Calls, reference and hyperlink this canonical URL.
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HomeCategoriesFeaturesVoice / VoIP Calls

9 Best APIs for Voice / VoIP Calls in Nigeria

We've analyzed and compared the top 9 API providers supporting Voice / VoIP Calls for Nigerian developers and businesses. Find the right infrastructure fit for your startup below.

Ifeoluwa Ajetomobi

Moderated by Ifeoluwa Ajetomobi

Last updated: October 2026

++++Featured API
Mono Connect API Favicon

Mono Connect API

Open banking infrastructure for real-time financial data, DirectPay, DirectDebit, GSM, disbursements & KYC verification

++++Featured API
Fincra API Favicon

Fincra API

CBN PSSP-licensed African payment gateway. Checkout, virtual accounts, direct debit, and cross-border payments across 50+ currencies and 150+ countries.

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iiBulky API

iBulky API

Send bulk SMS to MTN, Airtel, Glo & 9mobile

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JJuheAPI Global SMS Messaging API

JuheAPI Global SMS Messaging API

Send international SMS through a Chinese API aggregator

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MMax API

Max API

Send SMS, voice calls & USSD from one telecom platform

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DDescasio API

Descasio API

Send voice, SMS & messages integrated with your CRM

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SSiteti API

Siteti API

Manage WhatsApp & SMS customer chats with a shared team inbox

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VVumaAPI API

VumaAPI API

Send bulk SMS across Nigeria with local NGN pricing

++++Featured API
Fincra API Favicon

Fincra API

CBN PSSP-licensed African payment gateway. Checkout, virtual accounts, direct debit, and cross-border payments across 50+ currencies and 150+ countries.

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TTelerivet API

Telerivet API

Automate SMS and chat workflows via an Android phone gateway

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AAgora API

Agora API

Embed voice and video calls seamlessly.

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RRoutemobile API

Routemobile API

Global CPaaS provider for messaging.