Real-time
Two-way sync
Changes in SendGrid or Zuora instantly reflect in both systems. No stale data, no manual imports.
Business productivity ⇄ Accounting and finance
SendGrid to Zuora integration — real-time, two-way sync
Keep SendGrid and Zuora 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 SendGrid and Zuora
Connect the financial records in Zuora with the work happening in SendGrid, so both stay current without exports or copy-paste.
Zuora holds the financial truth: who the customers are, what they were billed, what they paid. SendGrid is where part of the day-to-day work happens, and that work often involves the same customers and transactions. Without a live connection, the two drift apart, and people end up answering questions from stale copies.
Stacksync keeps Product and Product Rate Plan (Product Catalog), Invoice, Payment, Usage in Zuora and List, Segments, Categories, Senders in SendGrid in sync, bi-directionally and in real time. Whatever records SendGrid keeps and whatever events it produces, the overlap with Zuora is mapped field by field, and a change on either side shows up on the other within seconds.
There is no middleware to build, no API rate limits to babysit, and no nightly job that leaves the morning running on yesterday's data.
Common use cases
- 01 Two-way sync of Accounts and Subscriptions with an operational Postgres database so product and finance teams read billing state in SQL while changes flow back into Zuora.
- 02 Master the Product Catalog (Products and Product Rate Plans) in a database or PIM and write pricing changes into Zuora.
- 03 Keep product-usage attributes from an operational database updated on SendGrid contacts to drive lifecycle segments
- 04 Reconcile transactional email activity with support tickets so agents see what a customer was sent
Common sync patterns
Where SendGrid collects payments or triggers charges: events land in Zuora
Payment and charge activity flows into Zuora as it happens, so the books reflect reality without manual reconciliation.
Where SendGrid tracks people or companies: one identity
A customer's details updated in either system update the other, so finance and the rest of the business stop maintaining two versions of the same customer.
Where SendGrid handles customer conversations: billing context in view
Front-line teams see invoice and payment status from Zuora next to the customer they are helping, without logging into the finance system.
What you can sync between SendGrid and Zuora
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 | Zuora objects | How this pairing syncs | |
|---|---|---|---|
| Categories Synced with incremental and full sync per the Stacksync docs. | Rate Plan and Rate Plan Charge The priced components inside a Subscription; synced so charge amounts, quantities, and effective dates stay aligned with the source system. | Categories is specific to SendGrid and Rate Plan and Rate Plan Charge to Zuora — each maps to any object or custom field on the other side. | |
| Senders Synced with incremental and full sync per the Stacksync docs. | Product and Product Rate Plan (Product Catalog) The catalog of sellable products and their pricing; usually mastered elsewhere and written into Zuora, or read to map subscription charges. | Senders is specific to SendGrid and Product and Product Rate Plan (Product Catalog) to Zuora — each maps to any object or custom field on the other side. | |
| Single Sends One-off marketing campaigns whose stats are read back for reporting. | Invoice Billing documents generated from rate plan charges and order line items; typically read out into an ERP or GL for revenue recognition and reconciliation. | Single Sends is specific to SendGrid and Invoice to Zuora — each maps to any object or custom field on the other side. | |
| Unsubscribe Groups Synced with incremental and full sync per the Stacksync docs. | Payment Payment and refund transactions applied against invoices; read for cash application, dunning, and reconciliation reporting in the warehouse. | Unsubscribe Groups is specific to SendGrid and Payment to Zuora — each maps to any object or custom field on the other side. | |
| Email Activity Synced with incremental and full sync per the Stacksync docs. | Usage Metered consumption records; written into Zuora from a metering or warehouse pipeline so consumption-based charges are rated and invoiced. | Email Activity is specific to SendGrid and Usage to Zuora — each maps to any object or custom field on the other side. | |
| Contacts Marketing recipients upserted from CRM or database records, including custom field values. | Order and Amendment Records of subscription create and change actions; written to Zuora to drive quote-to-cash and read for subscription change history. | Contacts is specific to SendGrid and Order and Amendment to Zuora — each maps to any object or custom field on the other side. |
How changes propagate between SendGrid and Zuora
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.
SendGrid Zuora 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 Zuora through its API, with automatic retries and rate-limit backoff.
Zuora SendGrid Sub-second propagation
DetectionZuora notifies Stacksync of record changes through webhook events. Incremental extraction on the indexed UpdatedDate column via ZOQL/AQuA stateful mode (high-water mark), plus Callout Notifications (webhooks) for.
DeliveryEach detected change is written to SendGrid through its API, with automatic retries and rate-limit backoff.
Rate-limit considerations
- SendGrid: Subject to the platform's API rate limits; contact upserts are batched, asynchronous jobs rather than per-row writes.
- Zuora: Concurrency limits: 40 concurrent requests by default, 80 for Object Queries, 200 for high-volume operations (doubled for Performance Booster); HTTP 429 on breach with exponential backoff; OAuth token endpoint is not bound by the limit.
What ships with SendGrid ⇄ Zuora
Connect SendGrid and Zuora for flexible, real-time data sync.
Real-time sync, workflow automation, event queues, EDI, and monitoring, for every SendGrid–Zuora connection.
No-code + pro-code
Workflow automation
Trigger automated workflows whenever SendGrid or Zuora 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 Zuora record.
Observability
Monitoring
Track your SendGrid ⇄ Zuora 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 Zuora.
How the SendGrid and Zuora 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
Zuora
- Integration surface
- REST API (v1) with Object Query, Data Query, and AQuA bulk export; legacy SOAP API also available
- Authentication
- OAuth 2.0 client credentials (bearer token, 3600s expiry); access is governed by the Zuora role of the OAuth client's associated user, with no granular scopes
- Change detection
- Incremental extraction on the indexed UpdatedDate column via ZOQL/AQuA stateful mode (high-water mark), plus Callout Notifications (webhooks) for event-driven changes
- Capabilities
- read · write · webhooks
- Rate limits
- Concurrency limits: 40 concurrent requests by default, 80 for Object Queries, 200 for high-volume operations (doubled for Performance Booster); HTTP 429 on breach with exponential backoff; OAuth token endpoint is not bound by the limit.
How it works
How to connect SendGrid to Zuora — 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 Zuora 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
Zuora
connected
OAuth 2.0SSH tunnelSSL certificateVPC peering - 02
Choose tables
Pick the SendGrid and Zuora 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 ⇄ ZuoraCustomers 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 ZuoraCompany company_name textEmail email textAmount amount numericCreated created_at timestamp
FAQ
SendGrid and Zuora integration FAQ
-
Yes. Stacksync provides a managed, real-time two-way integration between SendGrid and Zuora: authenticate both systems, choose the objects to sync (such as SendGrid's Categories and Senders), map fields visually, and changes propagate both ways in milliseconds — no code required.
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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 Zuora 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 Zuora connectors, real-time two-way sync, monitoring, and support. That replaces building and maintaining a custom SendGrid–Zuora integration in-house.
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Yes — Stacksync ships production-grade connectors for both SendGrid and Zuora. 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 Zuora: Incremental extraction on the indexed UpdatedDate column via ZOQL/AQuA stateful mode (high-water mark), plus Callout Notifications (webhooks) for event-driven changes. Each detected change propagates to the other side in milliseconds, with field-level conflict resolution and an inspectable event log.
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On the Zuora side: Product and Product Rate Plan (Product Catalog), Invoice, Payment, Usage, plus custom fields where Zuora exposes them. On the SendGrid side: List, Segments, Categories, Senders. Stacksync auto-detects both schemas and converts types between the two systems.
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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