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HubSpot Alternatives

Looking for HubSpot alternatives? We ranked 5 verified APIs & Email options developers actually ship with — free tiers, startup credits, and pricing that won't surprise you at renewal.

5 alternatives in APIs & Email Ratings from 1.0 to 10.0
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Postmark

APIs & Email
1,000 Emails Free

1,000 free transactional emails/month — reliable delivery for startups

Transactional email service with 1,000 free emails per month.

emailtransactionalapimarketing
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Resend

APIs & Email
$25/month Free Credits

$25/mo free email credits — modern email API with great developer experience

Email API for developers with generous free tier and pay-as-you-go pricing.

emailapitransactionalmarketing
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SendFox

APIs & Email
Lifetime License - $49

Pay $49 once vs. $30/mo for Mailchimp — email 5K subscribers forever

Email marketing for content creators — unlimited emails to 5,000 subscribers with a one-time payment.

email-marketingnewslettercontent-creatorautomationExpires 2026-08-30
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Twilio

APIs & Email
$15 Free API Credit

$15 free API credit — test SMS, voice, email APIs before committing

Cloud communications platform for SMS, voice, video, email (SendGrid), and authentication APIs.

smsvoiceemailapicommunicationsauthentication
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Twilio SendGrid

APIs & Email
$1,800 Email Credits
Spotlight

$1,800 SendGrid email credits — cloud email delivery with 99.9% uptime, use code DEVDEALS

Twilio SendGrid offers $1,800 in email credits through devdeals.org. Cloud-based email delivery service with 99.9% uptime, analytics, and deliverability tools. Includes transactional and marketing email APIs. Use code DEVDEALS at signup.

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