Build vs. building with Nylas

Spend less time, money, and ongoing resources to securely build and maintain email, calendar, and contacts integrations.

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Why build email and scheduling features on your own when you can build with Nylas APIs?

Launch up to 40x faster, saving more than half a million dollars and nearly 10k developer hours in your initial integration alone, all while staying secure and compliant.

  • One API, any provider
    Connect to all major email, calendar, and contacts providers.
  • Secure and compliant
    Nylas is HIPAA, SOC 2 Type II, ISO 27001, and GDPR compliant, providing enterprise-grade security.
  • Flexible and customizable
    Own all aspects of your end user journey with a configurable solution.

Abstract away complexities of email and calendar integrations

Focus on your core business needs instead of reverse-engineering decades of communications protocols and hitting roadblocks.


Time to market

Accelerate developer velocity using a single API to build integrations across providers such as Gmail, Outlook, Yahoo, and more.


On-going maintenance

Avoid getting bogged down from unanticipated bugs and infrastructure updates from each connected provider.



Access scalable infrastructure with 99.9% uptime to reduce poor UX and end user drop-offs.

Seamless integrations for any industry

The original legacy interview scheduling tool we built took a year at minimum to launch. And after we launched it, we had a backlog of enhancements that kept building up on customer requests that we couldn’t satisfy.

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Alexander Plum

Sr. Product Manager at TalentReef

How TalentReef launched calendar features twice as fast with half the resources

TalentReef built calendar features into their applicant tracking system (ATS) to help accelerate time to hire. They used Nylas to:

  • Accelerate time to hire by 3 days
  • Build calendar features 2x faster with half the resources
  • Reduce applicant dropoff rates from 98% to 12% 

It’s not an exaggeration to say that Nylas helped us build our new casting features 10x faster. It took us less than a month to integrate email and calendar, allowing us to refocus our technical resources on building the most robust casing solution on the market.

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Tommy Eklund

CTO at Choicely

How Choicely builds email and scheduling features to power casting for the largest TV production company

Choicely helped streamline email and scheduling workflows for their client’s TV casting process. They used Nylas to:

  • Build email and scheduling features in less than a month
  • Launched features 10x faster to refocus on building features specific to their business
  • Power casting processes for the largest global TV production company

We saved 9+ months of engineering time by not having to build it ourselves. Security was another big factor for us – Nylas has all the compliance factors we needed.

Product manager at a leading accounting management platform

How a leading finance platform closes 30% more deals

A leading accounting practice management platform integrated email capabilities to simplify documentation and the tax audit processes for accountants. They used Nylas to:

  • Save 9+ months of engineering time
  • Increase platform usage by 30%
  • Build email capabilities without having to build and maintain the solution in-house

Every engineer has built something that has haunted them. Trying to build email connectors in-house will be one of those things if you embark on it.

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Isaac Nassimi

Previous CPO at Cience

How Cience saves 50% of engineering team’s time on bi-directional email integration

Cience needed to build email integrations across providers to help their users streamline sales processes. They used Nylas to:

  • Rebuild their email capabilities in months vs. years
  • Save 50% of engineering team’s time
  • Clear their product roadmap in quarters vs. years
Trusted by over 250,000 developers worldwide
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Frequently asked questions

How does Nylas help save time building email and scheduling integrations into my app?

Nylas helps you save time building and maintaining integrations across multiple providers for email, calendar, and contacts. Use a single API to integrate across providers such as Microsoft 365, Microsoft Exchange, Microsoft Outlook, Google, Apple.

How do I create and manage calendars within an application?

By integrating your application with popular communications services providers, you can build features that let your users connect and manage their calendars. You can stand up calendar functionality in just three quick steps, allowing users to create and manage events. Additionally, virtual calendars let you create calendars independent of a calendar provider to manage events for shared resources (such as meeting rooms).

How much does it cost to build with Nylas?

The cost to build with Nylas will vary depending on the capabilities you need. Pricing is based on the number of connected accounts per month, and volume discounts are unlocked if you can commit to an annual contract agreement.

Can I configure the integration based on my unique business workflow?

Yes, Nylas APIs allow you to easily build email, calendar, and contacts integrations across providers while giving developers the ability to configure workflows and customize end user experiences.

Data privacy and security are top priorities. How secure is Nylas?

Nylas adheres to the most stringent security standards such as GDPR, CCPA, GLBA, and DPA. With security built into the core of our products, we also engage with respected 3rd party firms to audit our infrastructure and security practices, resulting in a SOC 2 Type II audit report, SOC 1 Type I audit report, HIPAA/HITRUST report, and ISO 27001 certification.