Twilio SendGrid alternatives · Email Sending
Free alternatives to Twilio SendGrid
Twilio SendGrid has no free plan. 9 of the 11 other email sending services in this directory are free or have a free plan.
Twilio SendGrid is a paid product with a free trial, starting at $19.95 per month for 50,000 emails. All of them pair the free plan with paid ones.
9 tools · Listings checked up to Oct 18, 2026 · Where the facts come from
How each one differs from Twilio SendGrid
- Free plan · from $15/mo
Mailgun
Email API and SMTP relay for developers, with list validation
What is free: 100 emails a day, 1 custom sending domain, 1 user, 1 inbound route, 1 day of logs and ticket support, through the API or SMTP.
- Mailgun starts at $15 per month for 10,000 emails. Twilio SendGrid starts at $19.95 per month for 50,000 emails.
- Mailgun has a free plan. Twilio SendGrid does not, though it has a free trial.
- Free plan · from $15/mo
Postmark
Transactional email API and SMTP, with broadcasts on a separate stream
What is free: Free developer plan: 100 emails a month with no expiry and no overages, for testing an integration or a small side project. No credit card needed.
- Postmark starts at $15 per month for 10,000 emails. Twilio SendGrid starts at $19.95 per month for 50,000 emails.
- Postmark has a free plan. Twilio SendGrid does not, though it has a free trial.
- Postmark also covers dMARC.
- Twilio SendGrid also covers email verification.
- Free plan · from $15/mo
Bird Email
SparkPost's successor: Bird's email API, paid from a prepaid balance
What is free: 1,000 emails a month, limited to 50 a day, 1 sending domain, 5 mailboxes and 3 webhook endpoints. Sending stops at the limit.
- Bird Email starts at $15 per month, deposited to your Bird balance. Twilio SendGrid starts at $19.95 per month for 50,000 emails.
- Bird Email has a free plan. Twilio SendGrid does not, though it has a free trial.
- Bird Email also covers email campaigns.
- Twilio SendGrid also covers email verification.
- Free plan · from $20/mo
Resend
Developer email API with React Email templates and a free tier
What is free: 3,000 transactional emails a month, limited to 100 a day, 3 domains, 3 inboxes, 1 webhook endpoint and 30 days of logs. Marketing email free up to 1,000 contacts.
- Resend starts at $20 per month for 50,000 emails, billed monthly. Twilio SendGrid starts at $19.95 per month for 50,000 emails.
- Resend has a free plan. Twilio SendGrid does not, though it has a free trial.
- Resend also covers email campaigns.
- Twilio SendGrid also covers email verification.
- Free plan · from $19/mo
Elastic Email
Low-cost email API and SMTP relay priced by monthly email volume
What is free: Up to 3,000 emails a month, limited to 100 a day, with the API, SMTP relay, email designer and 3 days of email logs. No credit card needed.
- Elastic Email starts at $19 per month for 50,000 emails. Twilio SendGrid starts at $19.95 per month for 50,000 emails.
- Elastic Email has a free plan. Twilio SendGrid does not, though it has a free trial.
- Elastic Email also covers email campaigns.
- Free plan · from $6.30/mo
MailerSend
Transactional email and SMS API from the team behind MailerLite
What is free: 500 emails a month, 1 domain, 1 template, 1 user, 1 webhook and 100 API requests a day. A credit card is needed to subscribe, though nothing is charged.
- MailerSend starts at $6.30 per month for 5,000 emails, billed annually ($7 billed monthly). Twilio SendGrid starts at $19.95 per month for 50,000 emails.
- MailerSend has a free plan. Twilio SendGrid does not, though it has a free trial.
- MailerSend also covers business texting, whatsApp messaging and dMARC.
- Free plan · from $8.10/mo
Mailjet
Email API, SMTP relay and campaign editor on one plan priced by volume
What is free: 6,000 emails a month, limited to 200 a day, 1,000 contacts, the API, SMTP relay, webhooks and the email editor. No credit card needed.
- Mailjet starts at $8.10 per month for 8,000 emails, billed annually ($9 billed monthly). Twilio SendGrid starts at $19.95 per month for 50,000 emails.
- Mailjet has a free plan. Twilio SendGrid does not, though it has a free trial.
- Mailjet also covers marketing automation and email campaigns.
- Free plan · from $15/mo
Mailtrap
Email API and SMTP for sending, with a sandbox for testing emails
What is free: 4,000 emails a month, limited to 150 a day, 1 user, 1 sending domain and 3 days of email logs, through the API or SMTP.
- Mailtrap starts at $15 per month for 10,000 emails. Twilio SendGrid starts at $19.95 per month for 50,000 emails.
- Mailtrap has a free plan. Twilio SendGrid does not, though it has a free trial.
- Mailtrap also covers email campaigns.
- Twilio SendGrid also covers email verification.
- Free plan · from $15/mo
SMTP2GO
SMTP relay and email API priced by emails a month, with a free plan
What is free: 1,000 emails a month, limited to 200 a day, with 5 days of email reporting and ticket support. Extra emails are not allowed. No credit card needed.
- SMTP2GO starts at $15 per month for 10,000 emails, billed monthly. Twilio SendGrid starts at $19.95 per month for 50,000 emails.
- SMTP2GO has a free plan. Twilio SendGrid does not, though it has a free trial.
- Twilio SendGrid also covers email verification.
Common questions
Is there a free alternative to Twilio SendGrid?
Yes. Mailgun, Postmark, Bird Email, Resend, Elastic Email, MailerSend, Mailjet, Mailtrap and 1 more are free or have a free plan.
Does Twilio SendGrid have a free plan?
Twilio SendGrid has no free plan. Twilio SendGrid is a paid product with a free trial, starting at $19.95 per month for 50,000 emails.
When was this checked?
Every listing on this page was checked on Oct 18, 2026, against the pages it cites. Vendors change prices and plans without notice, so confirm on their site before you buy.
This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Twilio SendGrid: the alternatives its listing names first, then the tools that share the most features with it.