Looking for Nylas alternatives in 2026? You're not alone. Yes, Nylas does offer powerful APIs for email, calendar, and contact integration, but many businesses are searching for alternative options that might better fit their needs, be it pricing expectations, data security or technical requirements. In this article, we'll explore the top Nylas alternatives, and take a closer look at what makes each one unique and where they might come handier than Nylas for your specific situation. We'll also touch on Zeeg, our scheduling solution that integrates with calendar systems and complements these communication APIs.
Why look for Nylas alternatives?
Before diving head into specific alternatives, let's understand why companies might want to look beyond Nylas:
Cost considerations: Nylas can be expensive, especially for startups or growing businesses watching their budget. As your user base expands, the per-user pricing model can become an important expense.
Feature requirements: Nylas has strong general functionality, but you may still need more specialized features for your specific industry or use case that Nylas doesn't provide out of the box.
Integration complexity: Some businesses find that Nylas's implementation requires more developer resources than expected, especially for more complicated workflows or custom requirements.
Data sovereignty concerns: Companies in regulated industries often need more control over where and how their data is stored, processed, and accessed.
Scalability questions: As your business grows, you need tools that can grow with you without becoming expensive or running into performance limitations.
Now, let's explore the top alternatives to Nylas that might address these concerns.
Best Nylas alternatives summarized
Best Nylas alternatives in 2026
1. Zeeg: best for human-centered scheduling that just works
Let's be honest – scheduling meetings shouldn't be complicated, but somehow it always is. That's where Zeeg comes in, not as just another Nylas alternative, but as the scheduling solution that actually understands how people work. While other tools focus on API endpoints and data structures, Zeeg focuses on making scheduling feel natural for everyone that is involved.
Key strengths
- Connects with the calendars people actually use – Google Calendar, Microsoft Outlook, Apple Calendar – without the usual integration headaches
- Takes care of the little things that matter, like automatically adjusting for time zones so nobody ends up bleary-eyed on a 4 AM call they thought was at 4 PM
- Lets you create booking pages that feel like your brand, not some generic third-party tool your customers have to navigate
- Handles the human side of scheduling with thoughtful reminders and follow-ups that keep everyone on the same page
- Respects your customers' privacy with rock-solid GDPR compliance and European data hosting
- Gets you up and running quickly – because you've got better things to do than spend weeks configuring a scheduling tool
Limitations
- Focused on making scheduling amazing rather than trying to be an all-in-one email solution
- Doesn't sync email content
- Mobile app is on the way (but the web version works great on phones in the meantime)
Pricing
Zeeg's pricing is refreshingly simple in a world of complicated tiers and hidden fees:
- Free: $0/month - Perfect for those who just need the basics done right
- Professional: $10/user/month (billed annually) or $12/month (billed monthly) - Everything a growing business needs, including your own branded booking experience
- Business: $16/user/month (billed annually) or $20/month (billed monthly) - Smart team features like round-robin scheduling and intelligent routing forms
Review
Zeeg has a Capterra rating of 4.9 out of 5 stars. ⭐️
The verdict: Why Zeeg just makes sense
We've all been through the special kind of frustration that comes from scheduling chaos – the endless email chains, the double-bookings, the confusion over time zones, and that sinking feeling when someone doesn't show up for a meeting you carefully arranged.
Zeeg was built by people who felt that pain and decided to fix it. Not with yet another overly complicated enterprise system, but with a tool that understands how real people schedule meetings in the real world.
What makes Zeeg different is that it removes friction at every step. Your development team will appreciate how quickly they can implement it (we're talking hours here, not weeks). Your team will love how it handles all parts of scheduling automatically. And your customers or clients will notice how smooth the booking experience is – which reflects well on you.
Unlike general-purpose communication APIs that treat scheduling as just another feature, Zeeg puts the human experience at the center of everything. It's the difference between a tool that technically works and one that feels like it was designed specifically for how you and your team actually work.
Whether you pair it with other Nylas alternatives or use it alongside custom solutions, Zeeg brings a refreshingly human touch to scheduling that both your team and your customers will appreciate. In a world of complex technical solutions, sometimes the best alternative is the one that simply makes life easier for everyone involved.
2. Graph API (Microsoft) is best for Microsoft users
For businesses that already use the Microsoft ecosystem, Microsoft's Graph API is a decent alternative to Nylas for accessing Outlook email, calendar, and contact data.
Key strengths
- Integrates with all Microsoft 365 services
- Has strong security and compliance features
- Extensive volumes of documentation with strong support
- No extra costs if you're already on Microsoft 365
Limitations
- It is mainly designed for Microsoft services
- May ask for quite a bit of development expertise
- It is less straightforward for multi-provider integrations
Pricing
- The interface offers APIs that are available at no additional cost with user subscription licenses and metered services. Metered APIs and services in Graph incur costs based on usage. For more information, refer to their official website.¹
Review
Graph API has a G2 rating of 4.1 out of 5 stars.²
The verdict
All in all, Microsoft Graph API makes the most sense when your organization primarily uses Microsoft tools and you need deep integration with the Microsoft ecosystem. Unlike Nylas, there's no additional per-user cost, but you'll need to think about the development time to set up and use your integration.
3. SendGrid: best for transactional email delivery
For those that are looking to send transactional and marketing emails rather than managing their full inbox, SendGrid is a Nylas alternative just for that.
Key strengths
- Has exceptional email deliverability rates
- Comes with detailed analytics and tracking capabilities
- Scalable infrastructure for high-volume sending
- Simplified email template management
Limitations
- Focuses on sending rather than receiving or syncing
- Has no calendar or contact capabilities
- Different use case than in-depth inbox management
Pricing
The pricing for SendGrid is calculated based on monthly email volume and features that are selected. However, you get a free trial for 60 days where you can send 100 emails/day. For more information, visit their official website.³
Review
SendGrid scores a Capterra rating of 4.1 out of 5 stars.⁴
The verdict
SendGrid isn't a direct replacement for all Nylas functionality, but for businesses that want a reliable email delivery rather than inbox synchronization, it is a more focused and potentially more cost-effective solution.
4. Cronofy: best for specialized calendar functionality
When calendar integration is your main focus, Cronofy comes as a strong Nylas alternative as it specializes in calendar functionality across multiple providers.
Key strengths
- Has deep calendar expertise and features
- Real-time availability and scheduling
- Offers strong privacy and security controls
- Supports all major calendar providers
Limitations
- Calendar-focused, therefore has no email or contact capabilities
- Can become expensive at scale
- Less flexible for specialized calendar requirements
Pricing
Cronofy offers its users an active user billing model, which means you only pay for a user when they are added to a calendar event in that month. Its pricing plans are as follows:
- Team: $15/active account/month. It comes with unlimited calendar connections and event bookings as well as integrations for HubSpot, Zendesk, Zoom, Lever, Okta and more
- Business: $799/month. It includes all Team features plus Scheduler API access with custom domain and advanced branding options
- Enterprise: $2,999/month. It includes all Business features plus custom reporting, a dedicated account manager as well as up to 200 Active Scheduler accounts. For more information, visit their official website.⁵
Review
Cronofy has accumulated a G2 rating of 4,7 out of 5 stars.⁶
The verdict
Cronofy's main focus on calendars makes it excellent for scheduling applications or businesses where calendar functionality is important. No, it doesn't have the wide range that Nylas does, but its depth in calendar functionality can make it a better fit for calendar-centrics.
5. Mailgun: best for high-volume email sending
For developers that are searching for strong email sending capabilities, Mailgun is a mention-worthy alternative to Nylas with its powerful delivery features and analytics.
Key strengths
- Has high deliverability rates
- Comes with detailed email analytics
- Developer-friendly API design
- Has flexible pricing for various scales
Limitations
- Mainly focused on sending emails
- No inbox sync or management features
- No calendar or contact capabilities
Pricing
- Free: 100 emails/day included with 2 API keys, ticket support, 1 inbound route, and a custom sending domain
- Basic: starting at $15/month with 10,000 emails/month. On top of the features of the free version, it also offers monthly email overage options and 5 inbound routes
- Foundation: free for one month, then starts at $35/month with 50,000 emails/month included. Offers everything on Basic plus full access to RESful email APIs and SMTP relays as well as full access to inbound routing and 5 days log retention
- Scale: free for one month, then starts at $90/month with 100,000 emails/month included. Has everything on Foundation plus SAML SSO, 5,000 email validations as well as dedicated IP pools and live phone & chat support. For more information, refer to their official website.⁷
Review
Mailgun has a G2 rating of 4.2 out of 5 stars.⁸
The verdict
Just like SendGrid, Mailgun isn't a complete Nylas replacement, but it’s pretty good in its focused area of email delivery. For those that need reliable email sending without the full email, calendar, and contact synchronization, Mailgun may come as an easy, straightforward solution.
6. Vonage: best for unified communications API
While not traditionally considered a direct Nylas competitor, Vonage is a full-on communication API platform that can address many of the same needs, especially for businesses looking to integrate various communication channels.
Key strengths
- Unified API for voice, messaging, and video
- Global reach with connections to over 1,600 telecommunications networks
- Strong SMS and voice capabilities that complement email functions
- Scalable infrastructure for enterprise-level applications
- Programmable communications for customized solutions
Limitations
- Not a direct replacement for Nylas's email and calendar focus
- Different approach to communication that may require rethinking workflows
- Less emphasis on email synchronization and management
Pricing
You get a free trial with no credit card requirements. They have a pay-as-you-go API Pricing model rather than a more common Fixed API Pricing model. This way, API users pay according to their actual usage of the API. With that being said, Vonage offers you a broad range of services including but not limited to:
- SMS API: $0.00735/message
- Messages API: $0.00110/delivered message
- Voice API: $0.01314/minute
- Verify API: 0.0520. For more information, feel free to check out their official website.⁹
Review
Vonage scores a G2 rating of 4,2 out of 5 stars. ¹⁰
The verdict
Rather than simply replacing Nylas's email capabilities with Vonage; you get a broader communications toolkit that includes voice, SMS, WhatsApp, Facebook Messenger, and more. For organizations that want to consolidate their communications stack or are planning to expand beyond email-based customer interactions, Vonage is a rather interesting alternative pathway.
7. Postal.io: best for relationship-focused email automation
For companies that focus on email automation and delivery, Postal.io has capabilities that overlap with some Nylas use cases.
Key strengths
- Strong automation capabilities
- Good deliverability rates
- Analytics and tracking features
- Focus on relationship building through email, including gifts
Limitations
- Different focus than Nylas (more marketing-oriented)
- Limited calendar and contact capabilities
- Not designed for inbox management
Pricing
- Economy (best for single senders): Free. The plan features unlimited sending in the US with no addresses needed, and you only pay for what is accepted.
- Economy+ (best for small businesses or single teams): $10/month/user with annual billing or $15/month/user with monthly billing. It includes everything in Economy plus team management features, branded email and landing page experience, schedules sends for anniversaries, team expense reporting, and more.
- First Class (best for larger businesses or multiple teams): Price upon inquiry. The plan includes everything in Economy+ plus branded storefront included with warehousing, integrations and automated triggers, contact mapping and activity tracking, and more. For more information regarding features, make sure to check out their official website.¹¹
Review
Postal has a G2 rating of 4,5 out of 5 stars. ¹²
The verdict
While not a direct Nylas alternative, Postal.io can replace some Nylas functionality for businesses primarily concerned with outbound email communication and relationship building.
8. Twilio: best for multi-channel communications and flexibility
Twilio is a communications platform that serves as a versatile Nylas alternative for businesses that want to integrate various communication channels, not just email.
Key strengths
- Cloud communications platform with extensive API options
- Supports SMS, voice, video, WhatsApp, and email communications
- Flexible pay-as-you-go pricing model with no contracts
- Global reach with local phone numbers in multiple countries
- Strong developer community and comprehensive documentation
- Includes SendGrid for powerful email delivery capabilities
Limitations
- Different philosophical approach than Nylas (communications vs. inbox management)
- More focused on customer communications than internal productivity tools
- Requires more integration work to replace all Nylas functionality
- Email capabilities focus more on sending than syncing
Pricing
Just like Vonage, Twilio also has a pay-as-you-go system, where pricing is customized based on your needs.
- SendGrid Email API: Start free with 100 emails/day, paid plans from $19.95/month
- SendGrid Marketing Campaigns: Free trial with 6,000 emails/month, paid plans from $15/month
- SMS: Starting at $0.0079 per message sent or received
- WhatsApp Business API: From $0.005 per message, pricing varies by use case
- Voice: From $0.0085 per minute to receive calls, $0.013 per minute to make calls
- Segment CDP: Starts at $120/month for up to 10k visitors/month with 14-day free trial
- Lookup API: $0.01 per phone number validation request
- Engage: Custom pricing based on your specific multichannel campaign needs. For more information, visit Twilio’s official website.¹³
Review
As of now, Twilio holds a G2 rating of 4.2 out of 5 stars.¹⁴
The verdict
Twilio has a truly flexible approach to communications. Unlike Nylas's focus on inbox synchronization and calendar management, Twilio provides programmable communications across multiple channels. This can be especially valuable for businesses that want to build customer engagement features beyond just email. Also, developers that are concerned about implementation complexity can have a breath as Twilio gives you extensive documentation, SDKs for multiple languages, and a large developer community. This support ecosystem can (and will) significantly reduce the technical challenges of implementing and maintaining your communication integrations.
9. Aurinko: best for extensive workspace synchronization
Among the listicle of Nylas alternatives, Aurinko is yet another compelling option with both unified APIs and pre-built sync logic.
Key strengths
- All-in coverage of email, calendar, contacts, and tasks
- Pre-built sync logic specifically designed for CRM and PM systems
- Flexible implementation options (build your own or use their sync)
- Lower price point than many competing solutions
- Bidirectional synchronization capabilities
Limitations
- Steeper initial learning curve for new users
- More limited advanced features in basic plans
- Authentication process could be more streamlined
- Team controls and API key management need improvement
Pricing
Aurinko offers distinct pricing tiers designed to scale with your needs:
- Unified API: Starting at just $1/account/month for basic API access
- $1/account for less than 1GB data transfers
- $1.50/account for less than 5GB data transfers
- $2/account for unlimited data transfers
- Pay only for the APIs you actually use (Email, Calendar, Contacts, Tasks)
- BrightSync: Pre-built CRM sync logic starting at $2/user/month
- $2/user for Calendar, Contacts, and Tasks synchronization
- $3/user for Email-only synchronization
- $4/user when multiple sync types are activated
- Fully managed solution with sync logic deployed on Aurinko servers
- Custom Solutions: Tailored pricing for specialized needs. For more information, refer to their official website. ¹⁵
Review
Aurinko.io has a G2 rating of 4.6 out of 5 stars.¹⁶
The verdict
Aurinko differentiates itself from other Nylas alternatives by focusing on both the API layer and the synchronization logic that sits on top of it. While most alternatives provide just the connection points, Aurinko offers ready-to-deploy sync systems that can reduce development time for common use cases like CRM integration. The platform's dual approach allows developers to choose their level of customization - be it using Aurinko's APIs to build custom sync logic or activating their pre-built bidirectional sync. This flexibility is a plus for teams with varying levels of development resources or changing requirements over time.
10. Amazon SES: best for cost-effective transactional email delivery
Amazon Simple Email Service (SES) offers a reliable, highly scalable email solution that serves as a budget-friendly Nylas alternative for applications focused mainly on email sending capabilities.
Key strengths
- Extremely competitive pricing for high-volume email sending
- Robust deliverability with AWS infrastructure backing
- Comprehensive analytics for tracking email performance
- Strong security features against phishing and attacks
- Seamless integration with other AWS services
- Scalability that grows with your business needs
Limitations
- Primarily focused on sending rather than receiving or syncing emails
- No calendar or contact capabilities
- Requires more technical setup than some alternatives
- More limited feature set than full-service providers
Pricing
Amazon SES also doesn't require monthly commitments or minimum fees, you simply pay for what you use. For high-volume senders, the per-message rate can be a lot lower than many other email service providers:
- Email Messages: $0.10 per 1,000 emails sent (as low as $0.08 in some AWS regions)
- Attachments: $0.12 per GB of attachments sent
- Mail Chunks: $0.09 per 1,000 mail chunks (for large emails split into multiple parts)
- Data Transfer: No additional cost for standard data transfer
- AWS Free Tier: New AWS customers can send up to 62,000 emails per month for free from Amazon EC2 instances
- Receiving: $0.00 per message for the first 1,000 emails received each month, then $0.10 per 1,000 afterwards. For more information. Please refer to their official website.¹⁷
Review
Amazon SES is rated 4,3 out of 5 stars on G2. ¹⁸
The verdict
Amazon SES distinguishes itself from other Nylas alternatives with its easy approach to email delivery at scale. While it doesn't attempt to replace Nylas's full functionality, it is accordable in the specific domain of sending transactional and marketing emails reliably and cost-effectively. The service is especially appealing for applications that need to send large volumes of emails, as its pricing becomes increasingly competitive at scale.
How to choose the right Nylas alternative
Choosing the perfect Nylas alternative depends on your specific requirements and business context. Understanding your needs is the first step toward finding the right solution.
1. Define your core requirements
Start by identifying exactly what functionality you need from an email, calendar, or contact API service:
- Do you need all three components or just one or two?
- Is sending email more important than receiving or syncing?
- Which providers must you support (Gmail, Outlook, etc.)?
- What volume of operations do you expect?
For example, if your focus is mainly on sending transactional emails rather than syncing inbox contents, a solution like SendGrid might be more suitable than a more comprehensive platform.
2. Consider your technical ecosystem
The specific email and calendar providers you need to support will narrow down your options. Some alternatives work best with Microsoft services while others excel with Google's ecosystem. Think about your users and which email providers they typically use. Also, know your expected volume of operations, as this affects both performance requirements and costs. A solution that works well for hundreds of users might struggle with thousands or become prohibitively expensive at scale.
3. Evaluate your development resources
Your development team's capabilities and bandwidth should factor heavily into your decision.
Be realistic about your team's capacity:
- Do you have the expertise to build and maintain direct integrations?
- How much implementation time can you allocate?
- Will you need ongoing vendor support?
- Are you prepared to handle security and compliance requirements?
Some alternatives offer straightforward implementation but sacrifice flexibility. Others provide excellent documentation and support but may have steeper learning curves. The right balance depends on your team's specific strengths and limitations.
4. Analyze pricing structures
Pricing models vary significantly across Nylas alternatives, so evaluate them carefully against your usage patterns:
- Per-user pricing can become expensive as you scale
- Volume-based pricing might be more economical for high-usage applications
- Tiered pricing often includes feature limitations at lower levels
- Free tiers may be sufficient for development or small-scale deployments
Look beyond advertised starting prices and calculate potential costs based on your expected usage patterns over time. Many providers offer significant discounts for annual commitments, which might influence your budget planning. Consider not just immediate costs but how they'll scale as your business grows.
5. Test before committing
Whenever possible, build a proof of concept before fully committing to an alternative. Most providers offer free tiers or trial periods that allow you to test their services in a real-world context. Use this opportunity to implement a small test case that represents your core functionality.
During testing, focus on:
- Performance with your typical workloads
- Ease of implementation and API usability
- Edge cases and error handling
- Integration with your existing systems
- Documentation quality and support responsiveness
This hands-on testing phase can save significant time and resources by identifying potential issues early rather than discovering limitations after a full implementation.
6. Evaluate provider stability
Beyond technical considerations, evaluate the provider's reputation and stability in the market:
- How long have they been in business?
- What's their track record for reliability and uptime?
- How responsive is their support team?
- What do current customers with similar use cases say?
A service with frequent outages or performance issues will create headaches regardless of its features or price. Check support responsiveness by reaching out with questions during your evaluation period. The quality and speed of their responses can give valuable insight into what you can expect as a customer.
When to stick with Nylas
While this article focuses on alternatives, there are situations where staying with Nylas makes perfect sense:
- Unified API needs: If your application requires integrated access to email, calendar, and contacts across multiple providers, Nylas's comprehensive approach might justify its premium pricing.
- Development resource constraints: For organizations with small development teams, Nylas provides valuable simplification that might outweigh its cost, allowing your team to focus on core product features rather than integration details.
- Perfect fit for use case: If Nylas solves your particular problems efficiently, switching might introduce unnecessary complications. Sometimes the best solution is the one already working well for your specific needs.
- Existing investment: If you've already built significant functionality on Nylas, the switching costs could be prohibitive. Migration requires not just implementing new API calls but potentially redesigning parts of your application architecture.
Every business has unique requirements, and the right choice isn't always obvious from feature comparisons or pricing sheets. Sometimes paying more for a more in-depth solution like Nylas is the right economic decision when you factor in development time, ongoing maintenance, and opportunity costs.
Frequently asked questions (FAQ)
What is the most affordable Nylas alternative?
For email functionality, Amazon SES offers the most cost-effective solution at just $0.10 per 1,000 emails, with significant free tier allowances. For combined email, calendar, and contacts functionality, Aurinko provides the lowest entry point at $1/account/month. Direct IMAP/SMTP integration has no API costs but requires more development resources.
Can I replace Nylas completely with a single alternative?
It depends on which Nylas features you're using. Microsoft Graph API offers the most comparable functionality but is limited to the Microsoft ecosystem. For cross-provider functionality similar to Nylas, Aurinko provides the closest match with its unified API and sync capabilities. Some organizations opt for a combination of specialized services (e.g., Cronofy for calendar, SendGrid for email) rather than a single replacement.
How difficult is migration from Nylas to an alternative?
Migration complexity depends on how deeply you've integrated with Nylas and which alternative you choose. Plan for a transitional period where both systems run in parallel, gradually moving users to the new system while monitoring for issues. The most challenging aspects typically involve recreating custom sync logic and ensuring consistent data handling across providers.
Which Nylas alternative has the best developer experience?
Microsoft Graph API and Twilio (including SendGrid) are consistently praised for their excellent documentation and developer resources. Aurinko offers pre-built sync logic that can significantly reduce development time for common use cases. The best choice often depends on your team's familiarity with specific technologies and ecosystems.
Are there any open-source alternatives to Nylas?
While there's no direct open-source equivalent offering the full Nylas feature set, developers can build solutions using open-source libraries for IMAP, SMTP, CalDAV, and CardDAV protocols. Libraries like Nodemailer (JavaScript), imaplib and smtplib (Python), and JavaMail API provide building blocks for creating custom integrations without proprietary API dependencies.
How do I handle calendar synchronization without Nylas?
For calendar synchronization, Cronofy offers a specialized solution that works across major providers. Microsoft Graph API handles Microsoft calendars natively. Aurinko provides both API access and pre-built sync logic for calendar data. For custom implementations, CalDAV protocol libraries allow direct integration with calendar providers, though they require more development effort.
Which Nylas alternative works best for high-volume applications?
For high-volume email sending, Amazon SES and Mailgun offer the most scalable and cost-effective solutions. For comprehensive high-volume needs, Twilio provides a robust platform that scales efficiently across communication channels. When evaluating for scale, consider not just performance but also how pricing models affect total cost as volume increases.
Do any alternatives offer both email API and calendar API like Nylas?
Yes, several alternatives provide multiple communication APIs. Microsoft Graph API offers email, calendar, and contact capabilities for Microsoft services. Aurinko provides unified APIs for email, calendar, contacts, and tasks across providers. Twilio offers multiple communication APIs including email through SendGrid, though it lacks native calendar functionality.
Sources
- learn.microsoft.com/en-us/answers/questions/1409561/cost-for-using-microsoft-graph-api
- www.g2.com/products/microsoft-graph/reviews/microsoft-graph-review-4732049
- www.sendgrid.com/en-us/pricing?utm_source=google&utm_medium=cpc&utm_term=sendgrid%20pricing&utm_campaign=G_S_EMEA_TSG_Brand_T1&cq_plac=&cq_net=g&cq_pos=&cq_med=&cq_plt=gp&gad_source=1&gad_campaignid=12128593138&gbraid=0AAAAADcHgwU_j6DR2QCE5_--nUI9aho9x&gclid=CjwKCAjwuIbBBhBvEiwAsNypvX4CIPJPD-EtswBazLe7DgpKTiUiyXaCdMwEM9yO9UIO2x8iuCdMAhoCOOAQAvD_BwE
- www.capterra.com/p/204113/SendGrid/reviews/
- www.cronofy.com/pricing
- www.g2.com/products/cronofy/reviews/cronofy-review-10374886
- www.mailgun.com/pricing/?utm_source=google&utm_medium=cpc&utm_campaign=EU%20%7C%20Brand&utm_id=17216207459&utm_content=134904508445&utm_term=mailgun%20pricing&gad_source=1&gad_campaignid=17216207459&gbraid=0AAAAAofVncdrLyHTIicqv4mnFmbT0GhQN&gclid=CjwKCAjwuIbBBhBvEiwAsNypvWWw_4Ex8eAAjMfDLZ9dcs4KXkfg11NzTAy1FzczchqYsrnGq78D_RoCpiAQAvD_BwE
- www.g2.com/products/mailgun/reviews/mailgun-review-10835949
- www.vonage.com/communications-apis/pricing/
- www.g2.com/products/vonage-communications-apis/reviews/vonage-communications-apis-review-10506578
- www.postal.com/pricing
- www.g2.com/products/postal-by-sendoso/reviews
- www.twilio.com/en-us/pricing
- www.g2.com/products/twilio/reviews/twilio-review-10335546
- www.aurinko.io/pricing/
- www.g2.com/products/aurinko-io/reviews#reviews
- aws.amazon.com/ses/pricing/
- www.g2.com/products/amazon-simple-email-service-amazon-ses/reviews/amazon-simple-email-service-amazon-ses-review-10264394
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