What are the best free alternatives to anon.li API?

Top alternatives to anon.li API include SendGrid, Mailgun, Mailchimp. All of these endpoints belong to the email category.

Are these anon.li API alternatives free to use?

Yes, all featured alternative APIs offer verified free developer tiers or zero-authentication public endpoints on FreeAPI.

How can I test these alternative APIs?

You can test each alternative service interactively using ready-to-run cURL, Fetch, and Python snippets directly on FreeAPI.

Home/email/anon.li API Alternatives

CURATED ALTERNATIVES

Top anon.li API Alternatives & Similar APIs (2026)

Looking for alternatives to anon.li API? Compare 8 verified free and public APIs in the email category with rate limits, auth methods, and ready-to-use snippets.

Currently viewing:anon.li API

Alternatives Feature Comparison

8 Options

API Service	Auth Type	Rate Limit	CORS	Action
SendGrid	Free Key	100 emails/day	HTTPS • CORS	Explore
Mailgun	Free Key	5000 emails/month	HTTPS • CORS	Explore
Mailchimp	Free Key	500 subscribers/month	HTTPS • CORS	Explore
Amazon SES	Free Key	200 emails/day	HTTPS • CORS	Explore
Postmark	Free Key	100 emails/month	HTTPS • CORS	Explore
Resend	Free Key	100 emails/day	HTTPS • CORS	Explore
EmailJS	Free Key	200 emails/month	HTTPS • CORS	Explore
Hunter	Free Key	25 req/month	HTTPS • CORS	Explore

Detailed Breakdown of anon.li API Alternatives

GET

SendGrid

Cloud-based email delivery service, marketing campaigns, and transactional APIs

E-posta ve İletişimAPI KeyCORS100 emails/day

GET

Mailgun

Transactional email API for sending, receiving, and tracking inbound emails

E-posta ve İletişimAPI KeyCORS5000 emails/month

GET

Mailchimp

Email marketing campaigns, audience lists, and automation workflows

E-posta ve İletişimAPI KeyCORS500 subscribers/month

GET

Amazon SES

Amazon Simple Email Service: scalable, cost-effective outbound email delivery

E-posta ve İletişimAPI KeyCORS200 emails/day

POST

Postmark

Lightning-fast transactional email delivery with high inbox placement rates

E-posta ve İletişimAPI KeyCORS100 emails/month

GET

Resend

Modern developer-first transactional email API with React Email component support

E-posta ve İletişimAPI KeyCORS100 emails/day

GET

EmailJS

Send transactional emails directly from client-side JavaScript without backend servers

E-posta ve İletişimAPI KeyCORS200 emails/month

GET

Hunter

Find verified professional business email addresses by company domain

E-posta ve İletişimAPI KeyCORS25 req/month

Choosing the Best Alternative to anon.li API

Which alternative is quickest to start?

Alternatives labeled "Zero-Auth" do not require registration or API keys. You can swap your endpoint URL and test in minutes without creating provider accounts.

Are these alternatives free for production?

All listed alternatives offer legitimate free tiers or open data licenses. Review the specific rate limits on each API detail page to ensure your traffic stays within quota.