Real-time
Two-way sync
Changes in SendGrid or Slack instantly reflect in both systems. No stale data, no manual imports.
Business productivity
SendGrid to Slack integration — real-time, two-way sync
Keep SendGrid and Slack in sync without custom scripts. Cut weeks of integration work, eliminate silent data drift, and give your team a single, reliable source of truth.
- SOC 2 and 6 other compliance frameworks
- POC with real engineers in minutes
Adopted by fast-scaling companies moving mission-critical data in real time
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Why teams connect SendGrid and Slack
Stop re-entering the same information in SendGrid and Slack: Stacksync keeps the records they share consistent in real time, in both directions.
Two tools in the daily stack often hold overlapping information: the same people, the same companies, or the same pieces of work, described twice. The tools do different jobs, so consolidating is not the answer; the overlap just needs to stop drifting.
Stacksync syncs Email Activity, Contacts, List, Segments in SendGrid with User groups, Files, Reactions, Channels in Slack in real time. You choose which records overlap, map the fields that should match, and pick a direction or let changes flow both ways. From then on, an update made in either tool is reflected in the other within seconds, without exports or copy-paste.
Because the sync is field-level, each tool keeps its own extras; only the shared data is held in agreement.
Common use cases
- Stream Event Webhook engagement data into a Postgres database or warehouse for campaign and deliverability reporting
- Keep product-usage attributes from an operational database updated on SendGrid contacts to drive lifecycle segments
- Sync the Slack user directory with the HRIS or identity provider to keep memberships and profiles current
- Archive channel messages into a warehouse or database for compliance and analytics
Handoffs between teams
When work started in one tool continues in the other, the shared fields travel with it automatically.
Where both tools track people or companies: one consistent record
Contact and company details corrected in either tool update the other, so nobody works from the old version.
Where one tool produces events: mirror them in the other
Payments, replies, messages, or tickets created in one tool can create or update matching records in the other, keeping context in one place.
What you can sync between SendGrid and Slack
Representative objects on each side — any object or custom field can map to any target. Schemas are auto-detected; types are converted between the two systems.
| SendGrid objects | Slack objects | |
|---|---|---|
| Contacts Marketing recipients upserted from CRM or database records, including custom field values. | Files Uploads attached to messages, retrievable for archiving. | |
| List Synced with incremental and full sync per the Stacksync docs. | Reactions Emoji responses that can drive workflows, such as approving a synced record. | |
| Segments Query-based contact groups whose membership SendGrid computes from contact fields. | Channels Conversations (public, private, DMs) that messages are read from and posted to. | |
| Categories Synced with incremental and full sync per the Stacksync docs. | Messages Keyed by channel and timestamp; posted via chat.postMessage and read via history methods. | |
| Senders Synced with incremental and full sync per the Stacksync docs. | Threads Replies grouped under a parent message timestamp, preserved when archiving conversations. | |
| Single Sends One-off marketing campaigns whose stats are read back for reporting. | Users Workspace members with profile fields, synced against HR systems and identity providers. |
What ships with SendGrid ⇄ Slack
Connect SendGrid and Slack for flexible, real-time data sync.
Real-time sync, workflow automation, event queues, EDI, and monitoring, for every SendGrid–Slack connection.
No-code + pro-code
Workflow automation
Trigger automated workflows whenever SendGrid or Slack data changes, update records, fire webhooks, or kick off sequences without brittle API scripts.
At scale
Event queues
Handle millions of events per minute without losing a single SendGrid or Slack record.
Observability
Monitoring
Track your SendGrid ⇄ Slack sync health, view errors, and replay failed events in one click.
Trading partners
EDI
Transform legacy EDI complexity into simple database interactions between SendGrid and Slack.
How the SendGrid and Slack connectors work
SendGrid
- Integration surface
- REST API (v3)
- Authentication
- API key (create in SendGrid Settings > API Keys with Custom Access / Full Access for the objects to sync; key begins with "SG")
- Change detection
- Event Webhook posts delivery and engagement events (processed, delivered, open, click, bounce, spam report) to an HTTP endpoint; contact and list changes are detected by polling
- Capabilities
- read · write · webhooks
- Rate limits
- Subject to the platform's API rate limits; contact upserts are batched, asynchronous jobs rather than per-row writes
Slack
- Integration surface
- Web API (HTTP RPC-style methods) plus the Events API
- Authentication
- OAuth 2.0 with bot or user tokens and granular scopes
- Change detection
- Events API webhooks, delivered over HTTP callbacks or Socket Mode
- Capabilities
- read · write · webhooks
- Rate limits
- Per-method rate limit tiers; message posting is additionally limited per channel
How it works
How to connect SendGrid to Slack — three steps, no code
Configure and sync within minutes, no code. Whether you sync 50k or 100M+ records, Stacksync handles the queues, infra, and plumbing. Integrations are non-invasive and need zero setup on your systems.
- 01
Connect your apps
Authenticate SendGrid and Slack with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.
SendGrid
connected
Slack
connected
OAuth 2.0SSH tunnelSSL certificateVPC peering - 02
Choose tables
Pick the SendGrid and Slack objects to sync — Stacksync auto-detects both schemas, including custom fields where the platform exposes them. Sync to existing tables, or let Stacksync create new ones with ideal data types.
objects · SendGrid ⇄ SlackCustomers 12,480Sales Orders 8,213Invoices 5,902Items 1,344 - 03
Map fields
Fields map automatically even when names and types differ. Stacksync handles transformation and type casting for you, zero configuration required.
SendGrid SlackCompany company_name textEmail email textAmount amount numericCreated created_at timestamp
FAQ
SendGrid and Slack integration FAQ
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Yes. Stacksync provides a managed, real-time two-way integration between SendGrid and Slack: authenticate both systems, choose the objects to sync (such as SendGrid's Contacts and List), map fields visually, and changes propagate both ways in milliseconds — no code required.
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SendGrid: Email Activity access requires an add-on subscription in SendGrid; without it the Email Activity API is not available. Slack: The Web API uses RPC-style method names such as chat.postMessage and conversations.history rather than resource URLs. Stacksync's field mapping accounts for these differences between SendGrid and Slack without custom code.
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Stacksync is SOC 2 Type II and ISO 27001 certified with HIPAA BAA support. Data is encrypted in transit, and a zero-persistent-storage architecture means SendGrid and Slack records are not retained after a sync operation.
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Stacksync pricing is usage-based and starts at $1,000/month, including the managed SendGrid and Slack connectors, real-time two-way sync, monitoring, and support. That replaces building and maintaining a custom SendGrid–Slack integration in-house.
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Yes — Stacksync ships production-grade connectors for both SendGrid and Slack. The connectors handle authentication, schema detection, rate limits, and retries; you configure the sync, and Stacksync operates it.
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Change detection on SendGrid: Event Webhook posts delivery and engagement events (processed, delivered, open, click, bounce, spam report) to an HTTP endpoint; contact and list changes are detected by polling. On Slack: Events API webhooks, delivered over HTTP callbacks or Socket Mode. Each detected change propagates to the other side in milliseconds, with field-level conflict resolution and an inspectable event log.
SECURITY
Security teams love Stacksync
As a data company, we understand the importance of keeping your data secure. Stacksync is built with security best practices to keep your data safe at every layer, and is DPF-certified for US, EU, UK and CH data transfers.
SOC 2 type II
ISO 27001
HIPAA BAA
GDPR
CCPA
CSA STAR
DPF US-EU-UK-CH
→ SECURITY WITH BENEFITS
SSO & SCIM
Let your users access Stacksync from your centralized user management systems. Works with Okta, Azure, Google SSO and more.
Alerts
Immediately get alerted about record syncing issues over email, Slack, PagerDuty and WhatsApp. Resolve issues from a centralized dashboard with retry and revert options.
Secure connection options
Securely connects to your systems with:
Related integrations
Every pair below is a real-time, two-way sync. Search all 386 integrations available for SendGrid and Slack.
Popular · 8 of 386
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SendGrid ⇄ ConnectWise -
SendGrid ⇄ Aviato -
SendGrid ⇄ Customer.io -
SendGrid ⇄ eClinicalWorks -
Slack ⇄ NextGen Healthcare -
Slack ⇄ Orderful -
Slack ⇄ Resend - Slack ⇄ ServiceNow
No integrations match .
