I will build custom CRM API integrations and two way data sync


About this gig
Are disconnected apps, duplicate records, or manual data entry slowing down your business?
I will build custom CRM API integrations and two way data sync solutions to help your systems exchange information accurately and reduce repetitive tasks.
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MY SERVICES INCLUDE:
- Custom CRM API integration
- Two way data synchronization
- CRM to CRM connections
- Contact, lead, and deal syncing
- API authentication and webhook setup
- Field mapping and data transformation
- API troubleshooting and error handling
- Integration testing
WHO IS THIS FOR?
Businesses, agencies, and online stores that need to connect CRM platforms, websites, booking tools, or marketing apps. I work with APIs from Zoho CRM, HubSpot, Salesforce, Pipedrive, and other platforms.
HOW IT WORKS:
- Share your platforms and requirements.
- Specify the records and fields to sync.
- Provide API documentation and secure access.
- I configure and test the integration.
Contact me before ordering so we can confirm API compatibility, sync direction, and project scope.
Get to know faithe
Your Business Deserves Systems That Work as Hard as You Do
- FromNigeria
- Member sinceOct 2026
- Avg. response time3 hours
Languages
English, Italian, Spanish, German
Other Software Development Services I Offer
FAQ
Can you connect my CRM to another application using an API?
Yes. I can connect your CRM to websites, booking systems, marketing tools, ecommerce platforms, and other applications, provided their APIs support the required connection.
Can you set up two way data synchronization?
Yes. I can configure supported integrations to send and receive data between two systems, helping keep contacts, leads, deals, and other records updated.
Can you fix an existing CRM API integration that is not working?
Yes. I can investigate API errors, authentication issues, failed requests, incorrect field mapping, and synchronization problems to identify and address the cause.
Which CRM platforms can you integrate?
I can work with Zoho CRM, HubSpot, Salesforce, Pipedrive, and other CRM platforms that provide suitable API access. Contact me to confirm compatibility.
Can you prevent duplicate records and conflicting updates?
I can implement appropriate matching rules, duplicate checks, and conflict handling logic where supported. The exact solution depends on your platforms and data structure.
What do you need from me to start?
Please provide your CRM name, the application to connect, the data to synchronize, your preferred sync direction, and relevant API documentation. Secure access will also be required.
Can you integrate a CRM with my website or booking system?
Yes. I can connect supported websites and booking applications to your CRM to transfer customer details, leads, appointments, or other agreed data.
Will the integration work in real time?
Real time syncing may be possible through webhooks or event based APIs. Otherwise, scheduled synchronization may be more suitable, depending on platform capabilities and API limits.
Do you provide testing after integration?
Yes. I test the agreed data flows and verify that supported records transfer correctly. Please provide test data or a suitable testing environment when available.
Should I contact you before placing an order?
Yes. Contact me with your platforms and requirements first so I can confirm feasibility, define the project scope, and recommend the appropriate package.

