Callback24 sendSMS

Callback24 + sendSMS Integrations

Put Callback24 + sendSMS to work with AI and enterprise-grade automation

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Learn more about Callback24 integrations or talk to a human

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See the kind of workflows teams build with Callback24 and sendSMS below — describe the exact one you want above and the Agent builds it on demand.

Callback24 + sendSMS When a call event occurs in Callback24, send an SMS message through sendSMS. See details

Browse the full workflow library →

Looking to achieve something else with Callback24 and sendSMS?

Just describe what you need — the Agent researches both APIs and builds the real automation on demand.

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Triggers & actions for Callback24 and sendSMS

Everything Callback24 and sendSMS can do inside a workflow — the triggers that start one and the actions that run when it fires.

Callback24 Explore Callback24 →

Callback24 is a lead generation tool that provides website call widgets and phone tracking to convert online visitors into customers.

Triggers
Call Event

Triggers when users ends a call.

New Call Request

Triggers when users requests call

Actions
Create a Phone Call

Create a Phone Call

sendSMS Explore sendSMS →

sendSMS is an online bulk SMS service that enables businesses to send automated text messages and transactional notifications worldwide.

Actions
Add a Contact

Add a contact to a group

Add to Block List

Add the given number to block list

Check Blocklist

Check if the given number is in block list

Send SMS

Send a Sms to your customers

Send SMS GDPR

Send a Sms to your customers with a gdpr link

Enterprise-grade security

SOC 2 certified GDPR compliant ISO 27001 certified
Visit our Security Center Review the DPA

Customer Stories

See how leading technology firms are scaling their operations

Amazing Product With Exceptional Support from the team. By using Knit we managed to speed up our development by orders of magnitude.
H
Huynh H
Developer, Multiplier
A brilliant tool to let you seamlessly integrate with many different systems. It is very easy to integrate with and customer support is next level.
J
Jayesh
Co-Founder, Scrut
Seamless integration experience. Well-documented, self-explanatory APIs, and excellent service and support.
P
Poorvi
Product Manager, Onsurity
Easy to integrate. Knit's dashboard is intuitive for setting up and testing integrations, and the sandbox is extremely useful during development.
A
Aditya
Product Lead, RazorpayXPayroll
Knit shipped a brand-new Timesheet API in a week and handed us a ready-to-use NetSuite sandbox. That velocity is priceless when you're running payroll in 40+ countries.
R
Rohit Singh
GM, Payoneer Workforce Management

#1 in Ease of Integrations

4.9 out of 5 stars

4.9 out of 5 stars on G2

G2 Leader, Spring 2026G2 Fastest Implementation, Spring 2026G2 High Performer, Spring 2026G2 Best Est. ROI, Spring 2026
FAQ

Common questions about Callback24 + sendSMS

Is there a pre-built Callback24 + sendSMS automation?

Not yet, but Knit's Integrations Agent can build one — describe what you want and it researches Callback24 and sendSMS's public API docs (or your own uploaded docs) and builds a working automation.

Does this require a pre-built Callback24 or sendSMS connector?

No. The Agent works whether or not Callback24 or sendSMS already has a pre-built connector in Knit's catalog — it researches the real API surface either way.

How long does it take to build?

Minutes to build a first working version, not weeks — you test it against real data before it goes anywhere near production.

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