Postmark From $5/mo · Free plan 9.2 Visit Twilio Email API
twilio.com
Spec sheet
- Purpose
- The SendGrid Email API lets businesses create, send, and manage email at scale through REST APIs or SMTP relay.Read 7 Oct 2026 · twilio.com
- Audience
- Twilio describes SendGrid Email API as a developer-first platform for sending email at scale.Read 7 Oct 2026 · twilio.com
- Free plan
- NoRead 21 Sep 2026 · twilio.com
- Integrations
- Official client libraries are available for C#, Go, Java, Node.js, PHP, Python, and Ruby.Read 7 Oct 2026 · twilio.com
- Security
- SendGrid supports API key authentication and recommends controls including key rotation, IP access management, two-factor authentication, and SSO.Read 7 Oct 2026 · twilio.com
- Support
- The pricing page says expert services and personalized support are available for purchase on Essentials and higher plans.Read 7 Oct 2026 · twilio.com
- Headquarters
- San Francisco, California, United StatesRead 19 Oct 2026 · twilio.com
- Founded
- 2008Read 19 Oct 2026 · twilio.com
- Analytics
- The pricing page lists real-time analytics, advanced statistics, searchable email activity, and an event webhook.Read 7 Oct 2026 · twilio.com
- Dedicated IP option
- YesRead 21 Sep 2026 · twilio.com
- Delivery log retention
- 7Read 21 Sep 2026 · twilio.com
- Delivery methods
- apiRead 21 Sep 2026 · twilio.com
- Delivery tools
- The product page lists dynamic email templates, an Email Validation API, and deliverability insights among its features.Read 7 Oct 2026 · twilio.com
- Email content
- The Mail Send API accepts JSON with message details including recipients, content, personalizations, attachments, and dynamic templates.Read 7 Oct 2026 · twilio.com
- Encryption
- SendGrid requires TLS 1.2 or later for API connections and opportunistically uses TLS 1.1 or later for outbound email delivery when the recipient server supports it.Read 7 Oct 2026 · twilio.com
- Message limits
- A Mail Send request must be under 30 MB including attachments and can include no more than 1,000 recipients.Read 7 Oct 2026 · twilio.com
- Template options
- bothRead 21 Sep 2026 · twilio.com
- Use cases
- Twilio describes the Email API for alerts and notifications, marketing and promotions, and verification and identity workflows.Read 7 Oct 2026 · twilio.com
Plans and prices
Pay as you go Free Pay for exactly what you send. Transactional and marketing email sending · No monthly base fee · No feature tiers · No overage charges Read 21 Sep 2026 · twilio.com
Free Trial Free $0/mo for 60 days 100 emails/day · no credit card Read 7 Oct 2026 · twilio.com
Essentials $19.95 a month starting at $19.95/mo 50,000–100,000 emails/mo · overages may apply Read 7 Oct 2026 · twilio.com
Pro $89.95 a month starting at $89.95/mo 100,000–2,500,000 emails/mo · dedicated IPs included Read 7 Oct 2026 · twilio.com
Premier Priced on request custom pricing custom email volume · dedicated IPs included Read 7 Oct 2026 · twilio.com
Where Specifiction places it
- Transactional email services#13 of 418.5
- Transactional Email Software#29 of 417.9
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