Where each email API is better, and where it is not.
Every page here quotes the vendor's own pricing page with the date it was read, says who should stay where they are, and shows the SDK and SMTP swap it takes to move. Nothing is hidden in a footnote.
Alternatives
Resend alternative
Same free tier shape, $5 a month less at 50,000 emails, plus OTP and deliverability APIs and naira or shilling billing.
SendGrid alternative
A free plan that does not end after 60 days, a suppression import, and an API you can move to in an afternoon.
Postmark alternative
Five times the included volume at the same $15, with the marketing side and an OTP API in the same account.
Mailgun alternative
Same $15 entry, 50,000 emails instead of 10,000, and a suppression list shared across transactional and marketing.
Amazon SES alternative
SES plus the dashboard, suppression, webhooks, templates and domain onboarding you would otherwise build yourself.
Brevo alternative for developers
A Brevo alternative when you need an email API first: templates, idempotency keys, an OTP API, one suppression list and billing in naira or shillings.
MailerSend alternative
A MailerSend alternative with a larger free tier, an OTP API, a pre-send deliverability check and wallet billing in naira and shillings.
Courier alternative
A Courier alternative when you want the email itself, not an orchestration layer: templates, batch sends, webhooks and OTP in one email API.
Customer.io alternative for transactional email
A Customer.io alternative for the transactional side: a send API with templates and idempotency keys, priced per email rather than per profile.
Loops alternative
A Loops alternative for teams who need a transactional API with webhooks, OTP codes and SMTP, not only a marketing tool for SaaS.
Mandrill alternative
A Mailchimp Transactional (Mandrill) alternative without the Standard-plan requirement: a free tier, per-email pricing and an OTP API.
SparkPost alternative
A SparkPost (Bird) alternative with a free tier that stays, an OTP API, a pre-send deliverability check and wallet billing in naira and shillings.
Send your first email in five minutes.
Verify a domain, copy an API key, make one call. The free plan does not ask for a card.