mailfloss API

Quickstart
Authentication
Errors
Pagination
Rate limits
Connect an email platform (ESP)
SDKs
Use mailfloss from AI agents (MCP)
Build an app on mailfloss
App review guidelines
Reference
Webhooks Overview
Event Triggers
Managing Webhooks
Verifying Webhooks
Retries and Errors
JavaScript Widget Overview
Installing the Widget
Widget Configuration Options
Legacy API (sunsets 2027-06-01)
API Overview
Integration Settings API Overview
Data Privacy API Overview
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Reference

1 min

Updated 16 Jun 2026
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