Infobip SMS API

7.3easy start · #4 of 76
in Transactional SMS Software

Free to practise onyes
Free trialyes
Well documentedyes
Runs where you worknot on record

Runs on api, Web.

Infobip SMS API is ranked #4 of 76 in transactional SMS software on The Geeks Club, made by Infobip SMS API (Vodnjan, Croatia). It runs on API, Web. There is a free plan. A free trial is offered.

Infobip SMS API plans and pricing

All plans

Pay-as-you-go Not published Pay only for messages used · Country- and network-dependent rates · Volume discounts available for large campaigns infobip.com · 24 Sept 2026

SMS API pay-as-you-go Free Pay only for messages sent; rates vary by destination country, network, sender type, use case, and applicable discounts. Message charges vary; free trial account can send only to a verified phone number infobip.com · 4 Oct 2026

Compared on transactional SMS software

Two-way SMS: Yes
Inbound webhooks: Yes
MMS support: Yes
Short code support: Yes
Toll-free numbers: Yes
SDK languages: PHP, Java, Python, C#

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The record

Purpose: The SMS API lets businesses integrate sending and receiving SMS into existing systems.
Global reach: Infobip says its SMS API reaches over 190 countries through more than 800 direct connections.
Messaging features: The API supports bulk sending, inbound messages, scheduling, delivery reports, flash SMS, binary content, and National Language Identifier.
Authentication: Infobip API requests support HTTP Basic authentication, API keys, IBSSO tokens, and OAuth 2.0.
Security: Infobip says it supports TLS 1.2 and recommends API key or token authorization for HTTP traffic.
Developer tools: Infobip provides client libraries including PHP, Java, Python, C#, and other languages.
Integrations: Infobip lists integrations including ActiveCampaign, Adobe Commerce, HubSpot, Salesforce, Shopify, WooCommerce, Zapier, and Zoho.
Zapier support: The Zapier integration can trigger on a new SMS and perform an action to send an SMS.
Compliance: Infobip documentation covers SMS compliance requirements including opt-in and opt-out, sender registration, and local rules such as DLT, IYS, and 10DLC.
Trial limitation: During the free trial, messages can only be sent to the account's verified phone number.
Support: Infobip’s SMS documentation links to a support center for troubleshooting guides and frequently asked questions.
Intended users: The SMS API is presented for developers integrating SMS into existing systems and for use cases including authentication, support updates, and marketing.
Company history: Infobip’s company page lists its official establishment under the Infobip name in 2006.
Founded: 2006
Price from: Free

Where it ranks on The Geeks Club

Best Transactional SMS Software in 2026#4 of 76

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Sources

infobip.com/sms/api· checked 4 Oct 2026
infobip.com/docs/sms· checked 4 Oct 2026
infobip.com/docs/essentials/api-essentials/api-auth· checked 4 Oct 2026
infobip.com/docs/essentials/manage-my-account/secur· checked 4 Oct 2026
infobip.com/docs/integrations· checked 4 Oct 2026
infobip.com/docs/integrations/zapier-for-infobip· checked 4 Oct 2026
infobip.com/docs/tutorials/send-your-first-sms-mess· checked 4 Oct 2026
infobip.com/company· checked 4 Oct 2026
infobip.com/sms/pricing· checked 24 Sept 2026
infobip.com/pricing· checked 4 Oct 2026