Freedom251 › Transactional email services
Sendwithus
by Sendwithus

What Sendwithus is
Sendwithus is a web and API service for creating, optimizing, and personalizing transactional email without deploying code. Teams can send triggered, scheduled, or impromptu messages and run content and design A/B tests across transactional, triggered, and marketing email. The service provides analytics on user behavior across platforms and integrates with an existing email service provider; its listed providers include SendGrid, Mailgun, Postmark, and SparkPost. Editing options include universal styling, a drag-and-drop builder, custom code, commenting, and AMP email support. Starter includes the editing tools and API access; Teams adds user management and approval workflows; Teams+ adds custom themes, workspaces, API export, SAML SSO, premium support, and an SLA. Sendwithus supports custom HTML editing and HTML export, and offers advanced collaboration. Its product page states SOC compliance and says more than 200 brands use it for transactional email creation. The company was founded in 2013 and is headquartered in Vancouver, BC.
Who it suits
Sendwithus suits teams managing transactional email that want to edit templates, test content and design, and schedule or trigger messages. It may also fit teams that need collaboration tools or integration with an existing email provider.
What it does well
- Built-in A/B testing for multiple email types
- Triggered, scheduled, and impromptu sending
- Custom HTML editing and HTML export
- AMP email support
- Integrates with existing email providers
What to know first
- No free plan
Limits
There is no free plan. Plan capabilities differ: Teams lists user management and approval workflows, while Starter's listed capabilities do not include them; Teams+ is the tier that adds custom themes, workspaces, SAML SSO, premium support, and an SLA.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Starter | monthly · universal styling · drag-and-drop builder · custom code editor · custom fonts · device-specific elements · version history · commenting · live previews · dark-mode previews · Litmus testing · AMP support · approval workflows · API access | $149 a month |
| Teams | monthly · Starter features · user management | $499 a month |
| Sendwithus | Pricing not stated on the Sendwithus product page | On request |
| Teams+ | Teams features · Smartling translation · API export · localizations · account manager · premium support · SLA · SAML SSO · custom themes · workspaces · design/AMP services | On request |
As sendwithus.com lists them, read 15 Oct 2026. The maker's own page has the final word.
Getting started
- Open the Sendwithus website
- Choose a plan or request a demo walkthrough
- Connect Sendwithus to an existing email service provider
- Use the web interface or API
- Create emails with the builder or custom HTML editor
Verdict
Sendwithus brings email creation, testing, analytics, and sending controls together for teams working with transactional messages. Consider that pricing is paid but not stated, and the service is designed to integrate with an existing email provider.
Questions
Does Sendwithus have a free plan?
No. Its pricing model is paid, and no free plan is listed.
Which platforms does it support?
Sendwithus is available through web and API platforms.
Can it connect to an ESP?
Yes. It integrates with an existing email service provider; listed providers include SendGrid, Mailgun, Postmark, and SparkPost.
Does it support AMP email?
Yes. AMP email support is included in the listed Starter capabilities.
What does Teams+ add?
Teams+ lists custom themes, workspaces, API export, SAML SSO, premium support, and an SLA.
Facts from Sendwithus's own pages
- A/B testing
- The product supports content and design A/B testing for transactional, triggered and marketing emails. · sendwithus.com, 15 Oct 2026
- Analytics
- Sendwithus provides analytics intended to show user behavior across platforms and inform email optimization. · sendwithus.com, 15 Oct 2026
- API clients
- Official client libraries are listed for .NET, Java, Node.js, PHP, Python, Ruby on Rails and Ruby; the maker says these libraries are open source on GitHub. · support.sendwithus.com, 15 Oct 2026
- API operations
- Documented endpoints cover templates, sending, rendering, customers, snippets, localization, batching and drip campaigns. · support.sendwithus.com, 15 Oct 2026
- API payload limit
- The send endpoint documents template data with a maximum size of 128 KB. · support.sendwithus.com, 15 Oct 2026
- API style
- The public API is REST based, returns JSON, uses standard HTTP status codes and requires HTTPS with HTTP Basic Authentication using an API key. · support.sendwithus.com, 15 Oct 2026
- API test keys
- Every account includes test API keys that process requests without actually delivering email. · support.sendwithus.com, 15 Oct 2026
- API version
- The documentation identifies v1 as current and says v2 is under development. · support.sendwithus.com, 15 Oct 2026
- Batching limit
- The API documentation says batches larger than 10 requests are not recommended. · support.sendwithus.com, 15 Oct 2026
- Company
- The maker's about page identifies Matt Harris as founder and CEO and describes the company as focused on email creation and management. · dyspatch.io, 30 Sept 2026
- Company identity
- The current site footer identifies the operating company as Techdrop Labs Inc. · sendwithus.com, 15 Oct 2026
- Company locations
- The maker lists Vancouver, British Columbia and San Francisco, California addresses. · sendwithus.com, 15 Oct 2026
- Customer scale
- The maker says more than 200 brands use Sendwithus for transactional-email creation and management. · sendwithus.com, 15 Oct 2026
- Developer documentation
- The knowledge base includes REST API, Jinja2, template editing, device testing, ESP connections, campaigns, analytics, automation, segmentation and troubleshooting articles. · support.sendwithus.com, 15 Oct 2026
- Discontinued integration
- Stripe integration is discontinued; existing connected accounts can manage triggers, while new users cannot attach Stripe. · support.sendwithus.com, 15 Oct 2026
- Email testing
- It supports built-in content and design A/B testing for transactional, triggered, and marketing emails. · dyspatch.io, 30 Sept 2026
- ESP compatibility
- The compatibility chart lists SparkPost, Mailjet, Mailgun, Mandrill, SendGrid, Postmark, Amazon SES and SMTP, with analytics capabilities varying by provider. · support.sendwithus.com, 15 Oct 2026
- ESP integration
- Sendwithus connects to an existing email service provider and is designed to keep email templates outside application code. · sendwithus.com, 15 Oct 2026
- Founded
- 2013 · sendwithus.com, 28 Sept 2026
- Founded and size
- Built In lists Sendwithus as founded in 2013, headquartered in San Francisco and having 28 total employees. · builtin.com, 15 Oct 2026
- Founder
- Dyspatch’s company history identifies Matt Harris as founder and CEO. · dyspatch.io, 15 Oct 2026
- Free plan
- No · dyspatch.io, 20 Sept 2026
- GetApp platform support
- GetApp lists web, Android and iPhone/iPad access, plus email/help-desk, knowledge-base and FAQ support options. · getapp.com, 15 Oct 2026
- Headquarters
- The product page lists an address in Vancouver, British Columbia, and another in San Francisco, California. · dyspatch.io, 30 Sept 2026
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