Every feature you need to own your email stack

Send transactional, receive inbound, track every event, run campaigns, and monitor deliverability. Sendr handles the infrastructure so your team can focus on the product.

Email API

Send through REST endpoints with batch sending, scheduling, templates, and full status visibility.

SMTP Service

Drop-in SMTP relay with API-key auth and the same delivery pipeline as our REST API.

Inbound Processing

Receive and parse incoming emails, then forward structured data to your systems via signed webhooks.

Analytics & Tracking

Open pixel tracking, click tracking, delivery metrics, and time-series analytics across all your email.

Webhooks

HMAC-signed event delivery for sends, deliveries, bounces, complaints, opens, and clicks with automatic retries.

Platform capabilities

The tools your team needs to operate email at scale.

Templates

HTML variable engine and React Email support with a starter gallery, ad-hoc rendering, and version history.

Domain Management

Add and verify sending domains with automated DNS checks for SPF, DKIM, and DMARC compliance.

Suppression & Compliance

Auto-suppress hard bounces and complaints. RFC 8058 one-click unsubscribe and list management built in.

Scoped API Keys

Three-tier permission model — full access, sending access, and read-only — with per-key expiration and revocation.

Contacts & Audiences

Store contacts with custom metadata, organize them into audiences, and bulk-import up to 1,000 at a time for targeted sending.

Team Management

Multi-seat organizations with owner, admin, and member roles. Invite teammates and manage access per plan.

Event Logs

Searchable activity logs for every email event — sent, delivered, bounced, opened, clicked — with cursor pagination.

Billing & Plans

Free, Pro, Business, and Enterprise tiers with usage-based overages, Stripe checkout, and self-service billing portal.

Org Branding

Custom brand color, logo, and unsubscribe page copy so every email touchpoint matches your identity.

Broadcast Campaigns

Create, schedule, and send marketing campaigns to entire audiences. Track opens, clicks, bounces, and unsubscribes per campaign.

Visual Email Editor

Drag-and-drop email builder with text, image, button, divider, and spacer blocks. Export to HTML or save as a template.

Dedicated IPs

Provision dedicated sending IPs with automated warmup scheduling and per-domain assignment (Business & Enterprise).

Deliverability Suite

BIMI logo authentication, real-time blocklist monitoring across 15+ RBLs, and daily IP/domain reputation snapshots.

Regional Sending

Route email through SES regions closest to your recipients. Set data residency to EU, US, or AP for compliance.

Advanced Analytics

Cohort analysis, industry benchmark comparisons, regional breakdowns, and bulk CSV export of all email metrics.

TypeScript SDK

Official `sendr` npm package with typed responses, automatic retries, and full coverage of every API endpoint.

Python & Go SDKs

Official Python and Go clients with the same feature coverage as the TypeScript SDK. Or call the REST API directly.

Scheduled Reports

Schedule analytics reports to be delivered to your inbox on a daily, weekly, or monthly cadence. Export as CSV.

Feature deep dives

Detailed breakdowns of our core sending and receiving capabilities.