DEVELOPER DOCUMENTATION
Build with Mailflow.
Explore the current frontend concepts and proposed integration examples. API contracts are illustrative until the backend is finalized.
Getting StartedA guided path from account creation to a first simulated email.Account and Project SetupOrganize applications and team access.API AuthenticationPlan authenticated calls with scoped credentials.API KeysCreate, rotate, and revoke project credentials.Sending DomainsPrepare authenticated domains for outbound mail.Domain Authentication: SPF, DKIM and DMARCUnderstand the DNS records used for sending identity.Sending Transactional EmailsCompose a message through a future REST API.Authenticated SMTPUse SMTP credentials with an existing mail client.Message Status and Email LogsInspect message states and delivery events.Error CodesPlan structured error handling.Retries and IdempotencyAvoid accidental duplicate messages.TemplatesReuse versioned subjects and message content.WebhooksConfigure event callbacks and inspect attempts.Webhook Signature VerificationPlan verification of future signed callback payloads.Sandbox EnvironmentExplore requests without real delivery.Usage and Rate LimitsUnderstand sample billable units and illustrative quotas.SuppressionsProtect recipients from unwanted sends.AnalyticsReview delivery trends in the selected scope.AutomationDesign event-driven workflows.Forms and ContactsCollect and organize sample contact data.Broadcast CampaignsPlan audience-based mailings.Inbound EmailPlan inbound domains and routing rules.MCP IntegrationPlan scoped access for compatible AI clients.