Contacts API
Keep customer profiles up to date from every business system.
The SMSLeopard Contacts API helps businesses create and update customer profiles automatically, so broadcasts, SMS API messages, WhatsApp templates, and surveys use current customer data instead of stale spreadsheets.
Buyer snapshot
What SMSLeopard helps you do
Best for
Businesses that need customer data to stay current before messaging customers
Data sources
Website signups, payments, CRM, Google Sheets, apps, support tools, and internal databases
Messaging value
Better segmentation, personalization, automation, surveys, analytics, and customer follow-up
Live profile sync
Update once, communicate smarter
Audience / profile
High-value customer, recent payment, WhatsApp and SMS reachable
Customer profile updated: Willis Salama, last payment KES 12,400, product SMS API, lifecycle active, next action onboarding follow-up.
The Differentiator
Your SMS is only as good as your customer data.
Most providers help you upload a list and send. SMSLeopard helps you keep customer profiles current, then use those profiles for targeting, personalization, automation, surveys, and reporting.
Contacts API
Sync customer profiles from your website, CRM, billing system, payment platform, app, or internal database.
Google Sheets
Use the spreadsheet your team already trusts as a practical source for customer lists, segments, and operational data.
Rich customer profiles
Track demographics, payments, purchases, products, branch activity, feedback, lifecycle stage, and custom attributes.
What You Can Do
Compete on better customer action, not just cheaper sending.
SMS remains powerful when it is timely, useful, and sent to the right person. The platform should help your team improve the result of each send.
Collect scattered data
Bring together customer information from spreadsheets, websites, payment platforms, CRMs, apps, and internal systems.
Build rich profiles
Track contact details, demographics, payment activity, purchase history, product ownership, preferences, and custom attributes.
Power better segments
Create audiences from real business context: active customers, high-value buyers, overdue accounts, recent purchasers, or churn risk.
Improve every message
Use synchronized profile fields inside SMS, WhatsApp templates, surveys, and API-triggered customer journeys.
Buyer Checklist
What to confirm before choosing an SMS provider.
Use this to compare providers on capability, not only price. The cheapest route can become expensive if messages are generic, lists are stale, or integrations are weak.
Why contacts matter
Messaging performance depends on customer data quality. If the profile is outdated, the segment and message will be weak.
Why API sync matters
Manual imports are good for starting. API sync is better when customer data changes every day through payments, signups, purchases, support, or account activity.
Where Google Sheets fits
Google Sheets gives teams a practical bridge when customer data is managed operationally by sales, finance, admissions, support, or branch teams.
What SMSLeopard unlocks
Once profiles are current, the same data can power SMS campaigns, WhatsApp broadcasts, API notifications, surveys, customer analytics, and retention workflows.
Launch Plan
A practical path from customer data to better messaging.
Start where the business is today, then mature from uploads to synced profiles and API-triggered customer journeys.
Step 1
Define your profile fields
Decide what your business needs to know: name, phone, source, product, location, payment status, value, activity, preference, or lifecycle stage.
Step 2
Connect the first source
Start from Google Sheets, a CRM export, website signups, payment data, or a direct Contacts API integration.
Step 3
Create useful segments
Turn profile fields into audiences your team can act on: high value, dormant, overdue, recent buyers, new signups, or loyal customers.
Step 4
Activate the data
Use profiles to send personalized SMS, WhatsApp campaigns, automated notifications, and surveys that collect even more customer context.
FAQs
Answers for buyers comparing SMS options today.
Short answers for teams searching for bulk SMS, SMS APIs, sender IDs, integrations, and smarter customer messaging.
What is the SMSLeopard Contacts API?
It is an API for creating and updating customer profiles so businesses can keep customer data current for segmentation, personalization, broadcasts, surveys, and automation.
Can I sync contacts from Google Sheets?
Yes. Google Sheets can be used as a practical source for customer lists, segments, and operational data, especially for teams still organizing data outside a CRM.
What customer data can a profile include?
Profiles can include standard contact details and custom business attributes such as payment status, purchase history, branch, product, lifecycle stage, preferences, feedback score, or customer value.
How does the Contacts API improve SMS and WhatsApp campaigns?
It keeps the data behind each segment and message current, so campaigns can be targeted and personalized from real customer context.
Ready to improve results
Start with the customer data behind the message.
SMSLeopard helps your team collect, sync, segment, and activate customer data so SMS campaigns and API messages become more relevant and measurable.
Related Pages
Keep moving through the SMS buying journey.
These pages help your team compare SMS providers, understand pricing, plan integrations, and connect SMS to customer profiles.
Customer profiles
See how SMSLeopard turns scattered customer data into rich profiles for the whole business.
SMS API Kenya
Use profile data inside API-triggered OTPs, alerts, reminders, and service messages.