EmailJS

Send email directly from your code – no server side code required.

EmailJS is an email orchestration layer and unified API that lets client-side applications send emails without server code. Users connect existing email services (e.g., Gmail, Outlook, SendGrid, Mailgun, Amazon SES, Postmark), create parameterized templates in a dashboard, and trigger emails via SDKs (JavaScript/TypeScript, React, Vue, Svelte, Flutter, Node.js) or a REST API. Provider credentials are stored server-side, with origin whitelisting and IP-based rate limiting as abuse guardrails.

Category: Email & messaging
Pricing: freemium
Free tier: yes
API: yes
MCP server: no
SDK: yes
Open source: no

#email-api #transactional-email #client-side #email-templates #rest-api #sdk

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Listed 2026-10-22 · last verified 2026-10-22 · extracted by @cf/zai-org/glm-5.3-flash · confidence 0.95

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API

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