HollaTags API

SMS & Messaging · Communications

HollaTags is a Lagos, Nigeria-based messaging platform (in operation since 2014) providing SMS, Voice, USSD, and Carrier Billing APIs over direct operator connections rather than through third-party aggregators. HollaTags is licensed by the Nigerian Communications Commission (NCC) to provide SMS, IVR, and USSD-based services with Nigerian telecommunications companies, and its site lists direct SMSC connections to Nigerian carriers including MTN, Airtel, Glo, and 9mobile, alongside claimed reach across 1,900+ telecom networks in 220+ countries.

paid

Account Username & Password (HTTP API); SMPP bind credentials for high-volume connections

Not publicly documented. HollaTags directs high-volume senders to use an SMPP connection instead of the HTTP API; specific throughput limits are not published and would need to be confirmed with sales/support.

✗ Not Available

Best For

Nigerian fintech, telco, and digital-content businesses that need direct-to-operator SMS, Voice OTP, USSD, and carrier billing without relying on third-party aggregators

Pricing

HollaTags is licensed by the Nigerian Communications Commission (NCC) to provide SMS, IVR, and USSD services with Nigerian telecom operators, and lists direct SMSC connections to MTN, Airtel, Glo, and 9mobile. The HTTP API authenticates with an account username and password (not a bearer API key) and returns plain-text responses with a 200 OK status; high-volume senders are pointed to an SMPP connection instead. No sandbox/test environment or published rate-limit figures were found in the docs, and pricing is quote-based (no setup or monthly fees) rather than a public per-SMS rate card.

Not Supported

Sandbox / test environment

Key Highlights

  • NCC-licensed to provide SMS, IVR, and USSD services with Nigerian telecom operators
  • Direct SMSC connections to Nigerian carriers: MTN, Airtel, Glo, and 9mobile
  • Claims reach across 1,900+ telecom networks in 220+ countries
  • Both HTTP API and SMPP protocol support, with SMPP recommended for high-volume senders
  • Also covers Voice OTP/IVR, dedicated & shared USSD shortcodes, and carrier billing for digital content

Required Access Documents

  • Account RegistrationRequired
    Sign up for a free account at sms.hollatags.com to receive the username/password credentials used to authenticate SMS, Voice, USSD, and Carrier Billing API requests.

Use Cases

  • OTP Delivery:Send one-time passwords via SMS or voice call for login and payment authorization across Nigerian carrier networks.
  • Payment Alerts:Notify customers of transactions and account activity in real time via SMS.
  • USSD Financial Services:Offer insurance, pension, and payment menus over USSD sessions that work without internet access.
  • Content Monetization:Bill customers directly through their mobile carrier (carrier billing) for games, music, video, and ringback tones.

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