For the complete site index, see llms.txt. Docs index: llms-docs.txt. Marketing corpus: llms-full.txt. Docs corpus: llms-full-docs.txt. Prefer markdown URLs where available (append .md).. Product skill: skill.md. Pricing: pricing.md. Docs MCP: /docs/mcp. Site MCP: /mcp.

Ship email faster
with your use case

Pick a scenario, copy the code, and go live. Every use case includes a flow diagram and a working API snippet, with no boilerplate hunting.

< 2s

Transactional Email API

Receipts, password resets, and notifications that arrive in under 2 seconds, with webhook confirmation so your app always knows what landed.

View use case →Drip + lifecycle

Automated Email Flows

Trigger welcome series, drip campaigns, and renewal reminders from any user event, then let Reloop handle sequencing, timing, and per-step analytics.

View use case →Inbox API

AI Agent Email Inbox

Give your AI agents a real inbox: read threads, draft replies, and send on approval. Purpose-built APIs so agents handle email without going rogue.

View use case →Webhooks

Inbound Email API

Turn incoming email into app data. Reloop parses every message and POSTs a structured webhook to your endpoint, attachments, threads, and metadata included.

View use case →Alerts & ops

System & Monitoring Email

Send Sentry errors, Datadog alerts, and on-call pages through a relay with zero cold-start delay. The emails that can't miss, won't.

View use case →Seconds

Password Reset Email API

Deliver tokenized reset links in seconds, before the user gives up and contacts support. Bounce webhooks tell you when delivery fails so you can act.

View use case →Day 0

Welcome Email Automation

Fire a branded welcome the moment someone signs up, then extend into a multi-step onboarding series without touching the trigger code again.

View use case →Receipts

Order Confirmation Emails

Send a polished receipt with line items and totals the second checkout completes, triggered from your order webhook with no extra service needed.

View use case →Magic links

Email Verification API

Verify new accounts with a magic link or OTP code that lands in under 3 seconds, and block typos before they hit your list with address validation built in.

View use case →Stripe-ready

Payment Receipt Emails

Hook into Stripe's invoice.paid and payment.succeeded events to fire branded receipts automatically for one-time charges, renewals, and refunds alike.

View use case →
Reloop