Dialpad builds contacts sync In two days with one engineer

Industry: Communications
Location: San Francisco, CA
Employees: 450+
Impact: Built contacts sync to support 100% of Exchange instances Integrated in two days with one engineer Saved hundreds of hours of ongoing maintenance costs

Dialpad built full support for Gmail, Office 365, and all versions of Microsoft Exchange contacts in just two days with the help of the Nylas Contacts API

Dialpad, the leading business phone system and cloud VoIP provider, enables smarter business communications for sales reps, support agents, and more. 

The venture backed company (with notable investors including Andreessen Horowitz and GV/Google Ventures) has modernized the desk phone and brought it to the cloud by building a scalable, feature-rich platform their users love. Behind the company’s success is a high-powered and resourceful engineering team that practices agile development, and adopts modern trends to speed up development cycles.


Scoping for Gmail & Microsoft Contacts Sync raised red flags for technical maintenance

While scoping out how to best provide a seamless way for their customers to find and manage their contacts in one centralized location, Dialpad foresaw some technical concerns. Namely, the amount of maintenance and oversight required to build an in-house solution to support multiple providers (Gmail, Office 365) plus every flavor of Microsoft Exchange that their customer’s needed. After a brief search, the Dialpad engineering team found the best solution for the job: employing an external API.

Stefan Roesch, an early software engineer at Dialpad (now 450+ employees), needed a secure, reliable API that could scale with their business.


Dialpad found the solution to its challenges with the Nylas Universal APIs for email, calendar, and contacts.

“With the Nylas API, I had launchable code for full features in just two days”, says Roesch. “One of the advantages of integrating with Nylas was how straightforward it was to sync contacts across multiple service providers and regardless of which version of Exchange our customers use.”

OAuth enables secure Gmail & Microsoft contacts sync

Nylas’s provider-agnostic API allows for bi-directional sync of all contacts (even across multiple providers, like Gmail, Office 365, and Outlook) without having to reverse-engineer the complicated minutiae of each provider. 

Using a secure OAuth flow (powered by Nylas), Dialpad users can authenticate their contacts’ data for two-way sync between Dialpad and their Gmail and Microsoft accounts.

Full contacts and email CRUD

Nylas powers full CRUD (create, read, update, and delete) capabilities for email, calendar, and contacts data. With full CRUD, Dialpad can offer features beyond two-way data sync between their platform and their user’s Gmail, Office 365, and Microsoft Exchange accounts. Some features they built on top of the Nylas APIs include:

1. Searching for a contact and syncing contacts across the full company for a more complete database:

2. Viewing, editing and creating a contact all within Dialpad:

3. Viewing shared events, like company-wide meetings or holidays:


Nylas APIs free up engineers’ time for AI projects

With the time saved on building their contacts, email, and calendar integration and the avoidance of ongoing maintenance costs, Dialpad layered in Voice Intelligence and AI features into their platform. With full data sync plus AI, Dialpad engineers were able to focus on their core differentiators and leave the table stakes features to an API.

Now, Dialpad’s end-users can securely authenticate their data to sync with Dialpad, and use the power of AI to be more productive and efficient. These time-saving features have helped Dialpad bring on hundreds of new happy customers and retain them over-time.

Related Case Studies

Zigaflow saves businesses £20 million in salary costs with business management platform powered by Nylas APIs 

Our customers love having greater visibility into email conversations across their business. It’s made it even easier to deliver a solution that massively automates and improves how our clients can operate,”

– Tim Randall, CEO, Zigaflow
Business Management Software, CRM, Software
Email API
Staffing Engine helps staffing firms quadruple hiring volume with Nylas

Our Nylas build required the lowest level of support we’ve ever needed for a third-party software solution. We didn’t have to start from scratch, allowing us to go live much faster

– Jay Cutler Co-Founder, Staffing Engine
ATS, Conversational AI, HR & Recruiting
Calendar API, Email API
Recital eliminates hours of contract negotiation with integrated email

The vision for Recital included email scanning right from the start. We needed to prove the product was viable while also setting ourselves up for maximum compatibility down the road, all on limited time and resources. Nylas was a natural fit.

– Brendan Mulholland, Co-Founder and CTO at Recital Software
Document management, Legal, Productivity
Email API
Distrobird triples sales productivity by helping B2B teams manage all their sales workflows in one place

Once we found Nylas, we didn’t consider any other product. A contextual email API was a perfect fit for our use case, giving sales reps direct access to their personal email inbox,

– Taiwo Oyeniyi, Chief Technology Officer, Distrobird
Communications, CRM, Sales
Email API
RecruiterPM saves HR and recruiting teams 10 hours a week with in-app email, calendar, and contacts

Bringing multiple channels into a single hub powered by Nylas has been a goldmine for user communication.

– Daniel Miller Chief Product Officer
ATS, Software
TalentReef accelerates time-to-hire by three days with the Nylas Calendar API

Building from scratch would’ve taken time and money–all while competing against other initiatives on our roadmap. We needed to focus on our number one priority: improving user experience.

– Alexander Plumb Sr. Product Manager
Calendar API, Scheduler
Jarvis Legal saves law professionals three hours a day with integrated email and calendar functionality

"A unified calendaring experience is essential for lawyers to definitively know what event happened for what client at what time. They need to be organized and they often rely on shared calendars."

– Alexandre Yeremian CEO of Jarvis Legal
CRM, Legal
Calendar API, Email API
Leading accounting practice management platform closes 30% more deals with native email

“Since adopting Nylas, nearly every new prospect asks about the email integration. At least 30% of our deals have directly closed as a result of us being able to solve this pain point for our customers.

Email API
CatchApp increases sales conversion rate 400% and launches new bookings platform three months faster with the Nylas Calendar API

“For us, the main pain point that Nylas addressed was providing [calendar integration] in a consistent manner across multiple platforms and providers,”

– Oliver Lamming CTO, CatchApp
Calendar API
Salesloft partners with Nylas to power MS Exchange integration, unlocking new enterprise market

“We have millions of emails sent each week. Nylas frees us up to focus on other roadmap priorities, such as delivering new features to our customers and working with our data science team on exciting new projects.”

– Nora Ignatius Product Manager, Salesloft
CRM, Sales & Marketing
Calendar API, Email API

Ready to Start Building?

Unlock your free API key and sync up to 5 accounts.