Get started
Create an API key, send your first email, put the chat widget on your site.
Read the introduction →Guides
Step-by-step guides for Email, Support channels, SDKs and Payments.
Browse guides →References
Every REST endpoint, webhook event, realtime frame, error code and limit.
Open the API reference →Products
Resend-compatible email API, SMTP relay, your own domains with DKIM, audiences, broadcasts and automations.
Support
One inbox for your website chat, mobile apps, Zalo, Facebook, Instagram, TikTok, WhatsApp, Telegram, X, LINE and email.
Payments
VietQR straight to your bank account, automatic reconciliation and e-invoices.