SendGrid Management

Complete CLI for managing SendGrid email services - send emails, manage templates, contacts, domains, and more.

Quick Reference

Task	Command
Send email	sendgrid mail send --to user@example.com --subject "Hello" --text "Body"
Send with template	sendgrid mail send --to user@example.com --template-id d-xxx --data '{"name":"John"}'
List templates	sendgrid template list
Add contact	sendgrid contact add --email user@example.com --first-name John
View stats	sendgrid stats global --days 7
List bounces	sendgrid suppression bounces
Create API key	sendgrid apikey create --name "My Key" --scopes mail.send

Installation

# Option 1: Run with Deno
deno run --allow-all ~/.claude/skills/sendgrid-management/cli/mod.ts [command]

# Option 2: Compile to binary
cd ~/.claude/skills/sendgrid-management/cli && deno task compile
./dist/sendgrid --help

# Option 3: Install globally
deno install --allow-all -n sendgrid ~/.claude/skills/sendgrid-management/cli/mod.ts

Authentication

# Set API key (saves to ~/.config/sendgrid/config.json)
sendgrid auth login --api-key SG.xxx

# Or use environment variable
export SENDGRID_API_KEY="SG.xxx"

# Check auth status
sendgrid auth status

Command Groups

Group	Description
auth	Authentication and config management
mail	Send emails (transactional)
template	Manage dynamic templates
contact	Manage contacts
list	Manage contact lists
segment	Manage contact segments
suppression	View/manage bounces, blocks, spam reports
sender	Manage verified senders
domain	Domain authentication (DKIM, SPF)
stats	View email statistics
webhook	Manage event webhooks
apikey	Manage API keys
validate	Validate email addresses

Core Workflows

Workflow 1: Send Transactional Email

# Simple email
sendgrid mail send \
  --to recipient@example.com \
  --from sender@example.com \
  --subject "Welcome!" \
  --html "<h1>Hello</h1><p>Welcome to our service!</p>"

# With dynamic template
sendgrid mail send \
  --to recipient@example.com \
  --from sender@example.com \
  --template-id d-f43daeeaef504760851f727007e0b5d0 \
  --data '{"name": "John", "order_id": "12345"}'

# Multiple recipients
sendgrid mail send \
  --to user1@example.com,user2@example.com \
  --from sender@example.com \
  --subject "Announcement" \
  --text "Important update..."

# Schedule for later
sendgrid mail send \
  --to recipient@example.com \
  --from sender@example.com \
  --subject "Scheduled" \
  --text "This was scheduled" \
  --send-at "2024-12-25T10:00:00Z"

Workflow 2: Manage Templates

# List all templates
sendgrid template list

# Get template details
sendgrid template get <template-id>

# Create template
sendgrid template create --name "Welcome Email" --generation dynamic

# Create/update version
sendgrid template version create <template-id> \
  --name "v1" \
  --subject "Welcome {{name}}!" \
  --html-file welcome.html \
  --active

Workflow 3: Contact Management

# Add single contact
sendgrid contact add \
  --email user@example.com \
  --first-name John \
  --last-name Doe \
  --list-ids abc123,def456

# Import from file
sendgrid contact import --file contacts.csv

# Search contacts
sendgrid contact search --query "email LIKE '%@example.com'"

# Export contacts
sendgrid contact export --list-id abc123 --output contacts.csv

# Get contact count
sendgrid contact count

Workflow 4: List Management

# Create list
sendgrid list create --name "Newsletter Subscribers"

# List all lists
sendgrid list all

# Add contacts to list
sendgrid list add-contacts <list-id> --emails user1@example.com,user2@example.com

# Remove contacts from list
sendgrid list remove-contacts <list-id> --contact-ids id1,id2

# Delete list
sendgrid list delete <list-id>

Workflow 5: Suppression Management

# View bounces
sendgrid suppression bounces [--start-time 2024-01-01] [--end-time 2024-12-31]

# View blocks
sendgrid suppression blocks

# View spam reports
sendgrid suppression spam-reports

# View unsubscribes
sendgrid suppression unsubscribes

# Delete specific bounce
sendgrid suppression delete bounce user@example.com

# Add to global unsubscribe
sendgrid suppression add unsubscribe user@example.com

Workflow 6: Domain Authentication

# List authenticated domains
sendgrid domain list

# Authenticate new domain
sendgrid domain create --domain example.com

# Get DNS records to add
sendgrid domain get <domain-id>

# Validate domain (after adding DNS)
sendgrid domain validate <domain-id>

# Set as default
sendgrid domain set-default <domain-id>

Workflow 7: Sender Verification

# List verified senders
sendgrid sender list

# Create sender identity
sendgrid sender create \
  --from-email noreply@example.com \
  --from-name "My Company" \
  --reply-to support@example.com

# Resend verification
sendgrid sender resend <sender-id>

# Delete sender
sendgrid sender delete <sender-id>

Workflow 8: Statistics

# Global stats (last 7 days)
sendgrid stats global --days 7

# Stats by category
sendgrid stats category --categories transactional,marketing --days 30

# Stats by mailbox provider
sendgrid stats mailbox-providers --days 7

# Stats by browser
sendgrid stats browsers --days 7

# Stats by device
sendgrid stats devices --days 7

Workflow 9: Webhooks

# List webhooks
sendgrid webhook list

# Create webhook
sendgrid webhook create \
  --url https://example.com/webhook \
  --events delivered,opened,clicked,bounced

# Update webhook
sendgrid webhook update <webhook-id> --enabled false

# Test webhook
sendgrid webhook test <webhook-id>

# Delete webhook
sendgrid webhook delete <webhook-id>

Workflow 10: API Keys

# List API keys
sendgrid apikey list

# Create API key
sendgrid apikey create \
  --name "Production API" \
  --scopes mail.send,templates.read

# Create full access key
sendgrid apikey create --name "Admin Key" --full-access

# Update key name
sendgrid apikey update <key-id> --name "New Name"

# Delete key
sendgrid apikey delete <key-id>

JSON Output

All commands support --json for machine-readable output:

sendgrid template list --json | jq '.[].id'
sendgrid stats global --days 7 --json > stats.json

Environment Variables

Variable	Description
SENDGRID_API_KEY	API key (required)
SENDGRID_FROM_EMAIL	Default from email
SENDGRID_FROM_NAME	Default from name

API Coverage

Category	Endpoints	Status
Mail Send	send, schedule, batch	Complete
Templates	CRUD, versions	Complete
Contacts	add, import, search, export	Complete
Lists	CRUD, add/remove contacts	Complete
Segments	list, get	Partial
Suppressions	bounces, blocks, spam, unsubs	Complete
Senders	CRUD, verify	Complete
Domain Auth	CRUD, validate	Complete
Stats	global, category, geo, device	Complete
Webhooks	CRUD, test	Complete
API Keys	CRUD	Complete
Validation	single email	Complete

Common Issues

Error	Solution
401 Unauthorized	Check API key is valid and has required scopes
403 Forbidden	API key lacks permission for this action
429 Rate Limited	Too many requests; wait and retry
400 Bad Request	Check request parameters

Resources

• references/api-endpoints.md - Full API endpoint reference
• references/scopes.md - API key scopes reference
• Official Docs: https://www.twilio.com/docs/sendgrid/api-reference