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Email marketing2026/11/02

Mailchimp vs SendGrid: marketing platform or email API?

A criteria-based comparison of Mailchimp and SendGrid for marketing campaigns, transactional email and list verification.

Mailchimp and SendGrid both send email, but they start from different problems. This comparison uses the vendors’ published pricing and product pages; it does not rank them.

The core difference

Mailchimp is an audience and campaign platform: lists, templates, automation, reporting and commerce features. SendGrid is primarily an email delivery API and SMTP service, with marketing-campaign tools alongside it. Choose by the work: managing an audience and campaigns, or sending application and transactional email at scale.

Pricing models

Mailchimp’s marketing plans are tiered by contacts and send volume. SendGrid’s pricing is built around email volume and product line (API/SMTP versus marketing campaigns). Put your real monthly sends and contact count into both calculators; a low entry price is not the same as a low cost at your volume.

How they handle bad addresses

Both platforms report bounces and manage suppressions. That is not the same as checking an address before you send. If your list comes from forms, imports or a CRM, verify at capture and before the first campaign, then let the platform’s bounce handling do its job.

Questions to ask

  1. Do you need one platform for marketing and transactional mail, or separate tools?
  2. Which API limits and webhook events does your application need?
  3. How are contacts, sends and suppressions counted on the plan?
  4. Can you export the audience and the event history?

Sources

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