MailerLite email API: SDKs, docs and limits (2026)

From MailerLite's official docs · checked 10 September 2026

Docs, SDKs and limits

Developer docs

developers.mailerlite.com/docs/

SDK languages

GoNode.jsPHPPythonRubyRustAs listed in MailerLite's official SDK docs

Webhooks

Webhook docs

Rate limits

A global limit of 120 requests per minute; import-creation endpoints are limited to 5 requests per minute. Source

Pricing page

www.mailerlite.com/pricing

From our feature matrix — documented by the vendor

API, SMTP and sending auth

• ◐APIAPI 'Limited' on Free plan; full API on paid plans
• ✓SDKs / client librariesOfficial client libraries: 'MailerLite PHP, MailerLite Go, MailerLite Node.js, MailerLite Python, MailerLite Ruby, MailerLite Rust'
• ✓Public API docsPublic developer docs (auth, rate limits 120 req/min, endpoints) at developers.mailerlite.com
• ◐WebhooksWebhooks listed 'Limited' on Free, included on paid
• ◐SMTP APISMTP/email API delivered via separate MailerSend product ('Email API... official SDKs'; 'SMTP Relay'), not the MailerLite account itself
• ◐SMTP relayVia sister product MailerSend (separate plans: Free 500 emails/mo, paid from $7/mo; SSO shared login): 'SMTP Relay: Quickly start sending emails—no coding needed'
• ✓Transactional email'Transactional email service' listed among features
• ✓SPF assistance'add... the SPF as a TXT record' — guided domain authentication
• ✓DKIM setup'add the DKIM as a CNAME record'
• ✓DMARC supportDMARC basics help doc + policy guidance for 5,000+/day senders

Features checked 10 September 2026. ✓ documented · ◐ limited or plan-gated · × documented as absent · — not documented. Documentation is not a measured result — see our methodology.

Pricing snapshot

Generated from our datasets — every value verified and dated

Frequently asked questions