Real-time
Two-way sync
Changes in Freshsales or SendGrid instantly reflect in both systems. No stale data, no manual imports.
CRM ⇄ Business productivity
Freshsales to SendGrid integration — real-time, two-way sync
Keep Freshsales and SendGrid in sync without custom scripts. Cut weeks of integration work, eliminate silent data drift, and give your team a single, reliable source of truth.
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Adopted by fast-scaling companies moving mission-critical data in real time
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Why teams connect Freshsales and SendGrid
Sync what happens in SendGrid with the customer records in Freshsales, in real time and in both directions.
The CRM is supposed to be the record of every customer relationship, but customer-relevant information also accumulates in the other tools a team runs. Whatever SendGrid holds or produces that touches a customer, whether conversations, payments, replies, enriched data, or notes, the CRM only benefits if it arrives without someone copying it over.
Stacksync connects List, Segments, Categories, Senders in SendGrid to Deals, Tasks, Appointments, Notes in Freshsales with bi-directional, real-time sync. Activity and record changes in SendGrid update the matching contact or account in Freshsales, and CRM data flows the other way wherever SendGrid can store and use it.
Common use cases
- 01 Write bounces, spam reports, and unsubscribes back to the CRM to keep email opt-in status accurate everywhere
- 02 Stream Event Webhook engagement data into a Postgres database or warehouse for campaign and deliverability reporting
- 03 Two-way sync of contacts and accounts between Freshsales and a Postgres database so product and data teams query CRM data with SQL.
- 04 Sync deals into a data warehouse for pipeline reporting alongside product usage data.
Common sync patterns
Where SendGrid handles support or shared inboxes
Tickets and conversations attach to the right contact and account in Freshsales, so sales sees open issues before the next call.
Where SendGrid runs outreach
Prospects, sends, and replies sync into Freshsales, keeping lead status current without manual imports.
Where SendGrid supplies contact or company data
Enriched fields land directly on records in Freshsales, and refreshes keep them from going stale.
What you can sync between Freshsales and SendGrid
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.
| Freshsales objects | SendGrid objects | How this pairing syncs | |
|---|---|---|---|
| Contacts Person records carrying lifecycle stages; the main entity for two-way CRM syncs. | Contacts Marketing recipients upserted from CRM or database records, including custom field values. | Same entity on both sides — records pair one-to-one and field-level changes reconcile in both directions. Custom fields on either side are included in the mapping. | |
| Deals Pipeline records synced to a warehouse for revenue reporting. | Senders Synced with incremental and full sync per the Stacksync docs. | Deals is specific to Freshsales and Senders to SendGrid — each maps to any object or custom field on the other side. | |
| Tasks Rep to-dos created from external triggers or synced for productivity reporting. | Single Sends One-off marketing campaigns whose stats are read back for reporting. | Tasks is specific to Freshsales and Single Sends to SendGrid — each maps to any object or custom field on the other side. | |
| Appointments Scheduled meetings readable for activity analytics. | Unsubscribe Groups Synced with incremental and full sync per the Stacksync docs. | Appointments is specific to Freshsales and Unsubscribe Groups to SendGrid — each maps to any object or custom field on the other side. | |
| Notes Free-text records attached to contacts, accounts, and deals. | Email Activity Synced with incremental and full sync per the Stacksync docs. | Notes is specific to Freshsales and Email Activity to SendGrid — each maps to any object or custom field on the other side. | |
| Sales activities Configurable activity types logged against records, useful for engagement scoring. | List Synced with incremental and full sync per the Stacksync docs. | Sales activities is specific to Freshsales and List to SendGrid — each maps to any object or custom field on the other side. |
How changes propagate between Freshsales and SendGrid
Each direction of the sync is driven by what the source system can signal and what the destination accepts — detection, delivery, and expected latency below.
Freshsales SendGrid Sub-second propagation
DetectionFreshsales notifies Stacksync of record changes through webhook events. Polling with updated-at filters through views.
DeliveryEach detected change is written to SendGrid through its API, with automatic retries and rate-limit backoff.
SendGrid Freshsales Sub-second propagation
DetectionSendGrid notifies Stacksync of record changes through webhook events. Event Webhook posts delivery and engagement events (processed, delivered, open, click, bounce, spam report) to an HTTP endpoint.
DeliveryEach detected change is written to Freshsales through its API, with automatic retries and rate-limit backoff.
Rate-limit considerations
- Freshsales: Subject to per-account API rate limits that vary by Freshworks plan.
- SendGrid: Subject to the platform's API rate limits; contact upserts are batched, asynchronous jobs rather than per-row writes.
What ships with Freshsales ⇄ SendGrid
Connect Freshsales and SendGrid for flexible, real-time data sync.
Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Freshsales–SendGrid connection.
No-code + pro-code
Workflow automation
Trigger automated workflows whenever Freshsales or SendGrid 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 Freshsales or SendGrid record.
Observability
Monitoring
Track your Freshsales ⇄ SendGrid sync health, view errors, and replay failed events in one click.
Trading partners
EDI
Transform legacy EDI complexity into simple database interactions between Freshsales and SendGrid.
How the Freshsales and SendGrid connectors work
Freshsales
- Integration surface
- REST API
- Authentication
- API key sent as a Token authorization header
- Change detection
- Polling with updated-at filters through views; outbound webhooks can be configured via workflow automations
- Capabilities
- read · write · webhooks
- Rate limits
- Subject to per-account API rate limits that vary by Freshworks plan
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
How it works
How to connect Freshsales to SendGrid — 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 Freshsales and SendGrid with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.
Freshsales
connected
SendGrid
connected
OAuth 2.0SSH tunnelSSL certificateVPC peering - 02
Choose tables
Pick the Freshsales and SendGrid 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 · Freshsales ⇄ SendGridCustomers 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.
Freshsales SendGridCompany company_name textEmail email textAmount amount numericCreated created_at timestamp
FAQ
Freshsales and SendGrid integration FAQ
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Yes. Stacksync provides a managed, real-time two-way integration between Freshsales and SendGrid: authenticate both systems, choose the objects to sync (such as Freshsales's Contacts and Deals), map fields visually, and changes propagate both ways in milliseconds — no code required.
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Common patterns for Freshsales and SendGrid: Where SendGrid handles support or shared inboxes; Where SendGrid runs outreach; Where SendGrid supplies contact or company data. Tickets and conversations attach to the right contact and account in Freshsales, so sales sees open issues before the next call.
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Freshsales: REST API. Authentication: API key sent as a Token authorization header. SendGrid: 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"). Stacksync manages authentication, retries, and rate limits on both sides.
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SendGrid: Suppression lists (bounces, blocks, invalid emails, spam reports, unsubscribe groups) are separate resources from the contact database and must be read explicitly. Freshsales: Each module supports custom fields, which the API returns alongside standard fields for mapping. Stacksync's field mapping accounts for these differences between Freshsales and SendGrid 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 Freshsales and SendGrid 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 Freshsales and SendGrid connectors, real-time two-way sync, monitoring, and support. That replaces building and maintaining a custom Freshsales–SendGrid integration in-house.
SECURITY
Security teams trust 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
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