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Loops vs SendGrid

A source-aware comparison of pricing, documented capabilities and workflow fit.

Short answer

These lines are generated from the pricing we track, not from a paid placement. How we score tools.

What Loops is

Loops is email for software companies: transactional and marketing sends in one place with a modern API. Keeping product and marketing email in one place with a modern API suits software teams who do not want two systems and two reputations. It is young, so campaign tooling is thinner than the established marketing platforms.

What SendGrid is

SendGrid delivers email at scale through an API or SMTP, with deliverability tooling and analytics. It handles volume reliably and the deliverability tooling is mature, which is why it remains a default at scale. Support and shared-IP reputation are the recurring complaints, and dedicated IPs cost more.

Side by side

LoopsSendGrid
CategoryMarketingMarketing
How to startFree tiernot a monthly priceFree tiernot a monthly price
Public APIYesYes
Mobile appNoNo
Open source / self-hostableNoNo
SSO (SAML)YesYes
VisitLoopsSendGrid

What Loops is built to do

Unified sends
Handles transactional and campaign email from one account.
Developer API
Triggers messages from application events through a typed API.
Audience filters
Segments contacts on product attributes for campaigns.

What SendGrid is built to do

API and SMTP sending
Accepts mail through a REST API or standard SMTP relay.
Deliverability tooling
Manages IP warm-up, authentication and reputation monitoring.
Event webhooks
Posts delivery, bounce and engagement events to your systems.

Choose Loops if

  • Software companies that want one tool for product and marketing email.

Choose SendGrid if

  • Applications sending large volumes of email.

Evidence and freshness

Where a claim on this page comes from a vendor page, it is linked here.

Loops

Vendor pricing page verified · reviewed 2026-08-31

SendGrid

Vendor pricing page verified · reviewed 2026-08-31

Loops: pros & cons

  • Clean developer experience
  • Transactional and campaign email together
  • Simple, readable pricing
  • Younger than established providers
  • Fewer advanced segmentation features
  • Smaller deliverability track record

SendGrid: pros & cons

  • Handles very high volume
  • Mature API and libraries
  • Detailed delivery analytics
  • Shared IP reputation affects deliverability
  • Support quality is a common complaint
  • Interface is dated

Our verdict on Loops

Pleasant to work with. Very large senders should still test deliverability carefully.

Our verdict on SendGrid

Reliable at volume. On shared IPs your deliverability depends partly on other senders.

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