Build email into your product.
Your domain. Your branding. One connected email workflow.
Quickstart
From a free account to a delivery and reply.
Read documentation →CLI & agent skill
The published InboxIt terminal client.
Read documentation →API reference
Implemented routes, permissions and request contracts.
Read documentation →Webhooks & signatures
Signed delivery, bounce and incoming events.
Read documentation →Start here
Create and confirm an account, select a workspace, verify your domain, and create a scoped API key. Every plan includes unlimited inboxes. Start with Quickstart, then use the endpoint reference for exact fields.
Choose your integration
REST API: submit email and read messages from your server. CLI: administer workspaces, domains and teams. SMTP: connect existing applications. Webhooks: receive signed delivery, bounce and incoming events.
Current availability
Create an account, confirm your email and start sending with your free allowance. No manual approval is required. Queue acceptance is not final delivery. Batch sends, scheduling, attachment sending, open tracking and click tracking are not supported in this release.
Examples and environments
Examples use https://inboxit.wtf/api/v2 and fictional identifiers. Replace domains with your own and recipient placeholders with your recipients. Keep credentials on your server.