Coderyx Email API

TheemailAPIbuilttodeliver.

Transactional and bulk email with sub-second sends, real-time delivery events, and inbox placement you can rely on. One clean API, fully managed by Coderyx.

Get API access Read the docs

99.99% deliverability · <200ms send latency · SOC 2 ready.

send.sh

curl https://api.coderyx.com/v1/emails \  -H "Authorization: Bearer $CODERYX_API_KEY" \  -H "Content-Type: application/json" \  -d '{    "from": "team@yourapp.com",    "to": "user@example.com",    "subject": "Welcome aboard",    "html": "<h1>You'"'"'re in!</h1>"  }'

Powering email for teams in fintech, SaaS, and e-commerce.

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Quickstart

Send your first email in 3 steps.

Install the SDK

Add the Coderyx client to your project with a single command.

terminal

npm install @coderyx/email

Set your API key

Drop your live key into your environment — never commit it.

.env

CODERYX_API_KEY=cx_live_xxxxxxxxxxxx

Send your first email

Call the API and you're delivering in seconds.

send.ts

await cx.emails.send({  from: "team@yourapp.com",  to: "user@example.com",  subject: "Welcome aboard",  html: "<h1>You're in!</h1>",});

Features

Everything you need to ship email.

Transactional email

Sub-second sends for receipts, resets, and alerts.

Bulk & batch sending

Up to 100 messages in a single API call.

Templates & variables

Reusable templates with typed merge variables.

Webhooks & events

Real-time delivery, open, click, and bounce events.

Scheduling & send-time

Queue for later or optimize per-recipient timing.

Suppression lists

Automatic handling of bounces and unsubscribes.

Domain authentication

SPF, DKIM, and DMARC configured and verified.

Analytics & logs

Searchable logs and delivery analytics, retained.

Idempotency keys

Safe retries with no duplicate sends, guaranteed.

Deliverability

Built to land in the inbox.

We manage IP warming, authentication, and reputation so your mail reaches the inbox — not spam.

Dedicated & shared IP pools
Automatic SPF / DKIM / DMARC
IP warm-up
Bounce & complaint handling
Real-time reputation monitoring

Deliverability

last 7 days

0.00%

Delivered

0.0%

Inbox placement

0ms

Avg send

0.00%

Bounce rate

Webhooks

Know what happens after send.

POST your-app.com/webhooks/coderyx

{  "type": "email.delivered",  "created_at": "2026-06-25T10:08:21Z",  "data": {    "email_id": "cx_3f9a21b7",    "to": "user@example.com",    "from": "team@yourapp.com",    "subject": "Welcome aboard",    "tags": [{ "name": "category", "value": "welcome" }]  }}

API reference

A clean, predictable REST API.

POST/v1/emailsSend an email

POST/v1/emails/batchSend up to 100 emails in one call

GET/v1/emails/:idRetrieve an email's status

POST/v1/emails/:id/cancelCancel a scheduled email

GET/v1/domainsList authenticated domains

POST/v1/domainsAdd & verify a sending domain

GET/v1/eventsStream delivery events

Authenticated with Bearer tokens · JSON over HTTPS · Idempotent requests · 99.99% API uptime.

SDKs & libraries

Use your language.

Node.js

Official

npm install @coderyx/email

Python

Official

pip install coderyx

PHP

Official

composer require coderyx/email

Ruby

Official

gem install coderyx

Go

Official

go get github.com/coderyx/email-go

Java

Official

implementation 'com.coderyx:email'

.NET

Community

dotnet add package Coderyx.Email

Elixir

Community

mix deps.get coderyx

Security

Enterprise-ready from day one.

SOC 2GDPRISO 27001HIPAA-ready

Encryption everywhere

TLS 1.3 in transit, AES-256 at rest.

Scoped API keys

Granular keys with rotation and revocation.

Audit logs

Every action recorded and exportable.

Data residency

Choose where your email data is stored.

Use cases

One API, every email.

Welcome & onboarding

Password resets & OTP

Receipts & invoices

Notifications & alerts

Newsletters & campaigns

Re-engagement

Pricing

Scales with your send volume.

Developer

Free

3,000 emails/mo
1 domain
Community support
Webhooks
Logs (1 day)

Start free

Growth

$35/mo

50,000 emails/mo
10 domains
Priority support
Dedicated IP option
Logs (30 days)
Analytics

Get started

Scale

Custom

Millions/mo
Unlimited domains
Dedicated IP pools
SLA & 24/7 support
SSO
Data residency

Contact sales

Managed and integrated by Coderyx — we wire it into your app and own deliverability for you.

FAQ

Questions, answered.

Both ways: we integrate top providers (Resend, SES, SendGrid, Postmark) into your app, or run a fully managed Coderyx-branded setup — whichever fits your needs and budget.

Ready to send email that lands?

Get API access and we'll have you sending in days, not weeks.

Get API access Talk to an engineer

curl https://api.coderyx.com/v1/emails \ -H "Authorization: Bearer $CODERYX_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "from": "team@yourapp.com", "to": "user@example.com", "subject": "Welcome aboard", "html": "<h1>You'"'"'re in!</h1>" }'

{ "type": "email.delivered", "created_at": "2026-06-25T10:08:21Z", "data": { "email_id": "cx_3f9a21b7", "to": "user@example.com", "from": "team@yourapp.com", "subject": "Welcome aboard", "tags": [{ "name": "category", "value": "welcome" }] }}