Five email APIs.
One platform.
Transactional sending, inbound webhooks, masked addresses, DMARC reporting, and XRechnung e-invoicing with one authentication model and one pricing plan.
The complete application email path.
Use one product or combine all five. Every surface shares API keys, domains, webhooks, usage, and operational controls.
Transactional Email API
Send every email that matters
REST API or SMTP relay for password resets, receipts, confirmations, and notifications. DKIM, DMARC, suppressions, and delivery events included.
Explore productInbound Email API
Turn incoming email into webhooks
Point an MX record at Postscale and receive mail as structured, signed webhooks with MIME parsing, attachment handling, and reply threading.
Explore productMasked Email API
Privacy addresses for your users
Generate unique, revocable aliases that forward to real inboxes. Embed private email identities inside your product and on your domain.
Explore productDMARC Reporting API
Parse aggregate DMARC reports
Turn RUA XML into structured JSON grouped by source IP, with DKIM and SPF alignment, policy evaluation, and unauthorized-sender alerts.
Explore productXRechnung API
E-invoicing for Germany and the EU
Send, receive, and validate XRechnung, ZUGFeRD, and Factur-X invoices compliant with EN 16931 through one REST API.
Explore productComparing providers?
See how an EU-operated platform fits transactional, inbound, privacy, and compliance workflows.
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The free tier includes enough volume to evaluate every API. No credit card required.
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