Infobip SMS API

Name: Infobip SMS API
Author: Infobip SMS API

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What Infobip SMS API is

Infobip SMS API lets businesses add SMS sending and receiving to existing systems. It supports bulk messaging, inbound messages, scheduling, delivery reports, flash SMS, binary content, and National Language Identifier, as well as two-way SMS, short codes, toll-free numbers, and MMS. Infobip says the API reaches over 190 countries through more than 800 direct connections. Requests can use HTTP Basic authentication, API keys, IBSSO tokens, or OAuth 2.0. TLS 1.2 is supported, and API key or token authorization is recommended for HTTP traffic. Client libraries are listed for Node.js, Python, Java, Go, PHP, C#, and Ruby. Integrations include ActiveCampaign, Adobe Commerce, HubSpot, Salesforce, Shopify, WooCommerce, Zapier, and Zoho. The API is presented for developers and use cases such as authentication, support updates, and marketing. A free trial is available, but trial messages can only go to the account’s verified phone number. Pay-as-you-go charges depend on destination country, network, sender type, use case, and applicable discounts; no fixed price is listed.

Who it suits

It suits developers integrating SMS into existing business systems, including for authentication, support updates, or marketing. It may also suit teams that need inbound messaging, delivery reports, or integrations with listed services.

What it does well

Supports bulk and inbound messaging.
Offers scheduling and delivery reports.
Lists libraries for seven programming languages.
Integrations include Salesforce, Shopify, and Zapier.
Supports TLS 1.2.

What to know first

Trial messages go only to the account’s verified phone number.
Message charges vary by destination and other factors.
No fixed pay-as-you-go price is listed.

Limits

The free trial only allows messages to the account’s verified phone number. The listed SMS API pay-as-you-go plan is free, while message charges vary by destination country, network, sender type, use case, and applicable discounts.

Plans

Plan	Billed and limits	Price
Pay-as-you-go	Pay only for messages used · Country- and network-dependent rates · Volume discounts available for large campaigns	On request
SMS API pay-as-you-go	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	Free

As infobip.com lists them, read 24 Sept 2026. The maker's own page has the final word.

Getting started

Open the Infobip SMS API website.
Choose the free trial or pay-as-you-go option.
Use the API from a web or API environment.
Select a listed client library or integration if it fits your system.
During the trial, send messages only to the account’s verified phone number.

Verdict

Infobip SMS API covers sending, receiving, and delivery reporting, with developer libraries and business integrations. Its trial is limited to a verified phone number, and message rates vary rather than using a listed fixed price.

Questions

Does Infobip SMS API have a free plan?

Yes. The facts list a free plan and a free trial. Trial messages can only be sent to the account’s verified phone number.

How is the SMS API priced?

The pricing model is paid, with pay-as-you-go charges for messages sent. The listed SMS API pay-as-you-go plan is free; rates vary by destination and other factors.

Which platforms does it support?

The listed platforms are API and web.

Which programming languages have client libraries?

Listed languages include Node.js, Python, Java, Go, PHP, C#, and Ruby.

What integrations are listed?

Integrations include ActiveCampaign, Adobe Commerce, HubSpot, Salesforce, Shopify, WooCommerce, Zapier, and Zoho.

What authentication methods are supported?

Requests support HTTP Basic authentication, API keys, IBSSO tokens, and OAuth 2.0.

Facts from Infobip SMS API's own pages

Authentication: Infobip API requests support HTTP Basic authentication, API keys, IBSSO tokens, and OAuth 2.0. · infobip.com, 4 Oct 2026
Company history: Infobip’s company page lists its official establishment under the Infobip name in 2006. · infobip.com, 4 Oct 2026
Compliance: Infobip documentation covers SMS compliance requirements including opt-in and opt-out, sender registration, and local rules such as DLT, IYS, and 10DLC. · infobip.com, 4 Oct 2026
Developer tools: Infobip provides client libraries including PHP, Java, Python, C#, and other languages. · infobip.com, 4 Oct 2026
Founded: 2006 · infobip.com, 23 Sept 2026
Global reach: Infobip says its SMS API reaches over 190 countries through more than 800 direct connections. · infobip.com, 4 Oct 2026
Headquarters: United Kingdom · infobip.com, 23 Sept 2026
Inbound webhooks: Yes · infobip.com, 24 Sept 2026
Integrations: Infobip lists integrations including ActiveCampaign, Adobe Commerce, HubSpot, Salesforce, Shopify, WooCommerce, Zapier, and Zoho. · infobip.com, 4 Oct 2026
Intended users: The SMS API is presented for developers integrating SMS into existing systems and for use cases including authentication, support updates, and marketing. · infobip.com, 4 Oct 2026
Messaging features: The API supports bulk sending, inbound messages, scheduling, delivery reports, flash SMS, binary content, and National Language Identifier. · infobip.com, 4 Oct 2026
Purpose: The SMS API lets businesses integrate sending and receiving SMS into existing systems. · infobip.com, 4 Oct 2026
SDK languages: Node.js,Python,Java,Go,PHP,C#,Ruby · infobip.com, 24 Sept 2026
Security: Infobip says it supports TLS 1.2 and recommends API key or token authorization for HTTP traffic. · infobip.com, 4 Oct 2026
Short code support: Yes · infobip.com, 24 Sept 2026
Support: Infobip’s SMS documentation links to a support center for troubleshooting guides and frequently asked questions. · infobip.com, 4 Oct 2026
Toll-free numbers: Yes · infobip.com, 24 Sept 2026
Trial limitation: During the free trial, messages can only be sent to the account's verified phone number. · infobip.com, 4 Oct 2026
Two-way SMS: Yes · infobip.com, 24 Sept 2026
Zapier support: The Zapier integration can trigger on a new SMS and perform an action to send an SMS. · infobip.com, 4 Oct 2026