Knock vs Twilio SendGrid

See how their public offers line up before you choose your own position. Prices stay in the currency, billing schedule, and charged unit each vendor publishes.

Knock

See full pricing history

USD · US · source: knock.app

Plan	Pricing	Charged by	Offer type
Developer	Free $0/month	Flat · monthly subscription	Standalone · Free
Starter	USD 250 monthly $250/month including 50,000 messages; then $0.005/message	Usage · monthly platform fee plus message usage	Standalone · Usage based
Enterprise	Contact sales Contact us	Flat · monthly subscription	Standalone · Contact sales

Twilio SendGrid

See full pricing history

USD · US · source: www.twilio.com

Plan	Pricing	Charged by	Offer type
Free Trial	Free $0/month for 60 days	Flat · published subscription	Standalone · Free
Essentials	USD 19.95 monthly Starting at $19.95/month	Flat · published subscription	Standalone · Starting at
Pro Highlighted	USD 89.95 monthly Starting at $89.95/month	Flat · published subscription	Standalone · Starting at

What each plan includes

Feature names follow each vendor’s own pricing page, so verify the wording before treating them as exact equivalents.

Knock

Developer

Official plan card Messages: 10,000/month

Limited
Official plan card Notification workflows: Unlimited

Limited
Official plan card Delivery channels: Unlimited

Limited

Starter

Official plan card Messages: 50,000/month included

Limited
Official plan card Additional messages: $0.005 each

Limited
Official plan card Guides active users: 2,500

Limited

Enterprise

Official plan card Volume discounts: Included
Official plan card Custom roles and permissions: Included
Official plan card Enterprise controls: Included

Twilio SendGrid

Free Trial

Official plan card Emails: 100/day for 60 days

Limited
Official plan card Event webhook: 1

Limited
Official plan card Dynamic template editor: Included

Essentials

Official plan card SMTP and API: Included
Official plan card Domain authentication: Included
Official plan card Analytics and deliverability optimization: Included

Pro

Official plan card Dedicated IP: Included

Limited
Official plan card Subuser management and SSO: Included
Official plan card Email validation: 2,500 included

Limited

How their prices changed

Each dated row shows the public prices observed when that vendor’s pricing page changed.

Knock

August 27, 2026 Source
- Developer: Free
- Starter: USD 250 monthly
- Enterprise: Contact sales

Twilio SendGrid

August 27, 2026 Source
- Free Trial: Free
- Essentials: USD 19.95 monthly
- Pro: USD 89.95 monthly