Real-time
Two-way sync
Changes in Apollo.io or Linnworks instantly reflect in both systems. No stale data, no manual imports.
CRM ⇄ ERP
Apollo.io to Linnworks integration — real-time, two-way sync
Keep Apollo.io and Linnworks 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
Case study
Migrated from Mulesoft
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Migrated from Celigo
Migrated from Heroku Connect
Migrated from Matillion
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Migrated from Fivetran
Case study
Migrated from Celigo
Why teams connect Apollo.io and Linnworks
Close the gap between front office and back office: Apollo.io and Linnworks share customers and status in real time, in both directions.
Apollo.io holds the customer relationship; Linnworks runs the operations and records behind the business. The two overlap wherever the same organizations and transactions matter to both, and when that overlap is bridged by re-keying or overnight batch, each side spends the day working from stale data.
Stacksync syncs Contacts, Accounts, People (database records), Sequences in Apollo.io with Locations, Purchase Orders, Suppliers, Channel Listings in Linnworks field by field, in real time, and in both directions. You decide which system owns which fields; Stacksync keeps every copy consistent and resolves conflicts by rules you set.
Common use cases
- Land sequence enrollment status and outcomes in a warehouse for outbound performance reporting.
- Deduplicate contacts across Apollo and the CRM by syncing on email as the match key.
- Push customer and order data to a CRM or marketing platform for post-purchase campaigns
- Sync orders from Linnworks into an ERP or accounting system as they are processed, without CSV exports
Where Linnworks handles order-to-cash: closed-won flows through
A deal won in Apollo.io creates or updates the customer in Linnworks with clean data, so fulfillment and invoicing start without re-entry.
Where Linnworks is the finance system of record: money status on the account
Invoice and payment state from Linnworks shows on the account in Apollo.io, so reps see balances before promising the next order.
One customer master
Where both systems keep customer or organization records, corrections in either propagate to the other, ending dual maintenance.
What you can sync between Apollo.io and Linnworks
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.
| Apollo.io objects | Linnworks objects | |
|---|---|---|
| Deals (Opportunities) Pipeline records that can be read and written to keep Apollo aligned with the CRM of record. | Stock Levels Per-location quantities sync outward so channels and planning tools reflect current availability. | |
| Tasks and calls Rep activity records synced for activity reporting and coaching workflows. | Locations Warehouse and fulfillment location records scope stock data during mapping. | |
| Custom fields Account- and contact-level custom attributes mapped field-by-field in a sync. | Purchase Orders Replenishment POs sync with suppliers and accounting systems. | |
| Contacts People saved to your Apollo account, synced with emails, phone numbers, and enrichment fields. | Suppliers Vendor records keep procurement data consistent across tools. | |
| Accounts Company records with firmographic attributes, matched to CRM accounts during sync. | Channel Listings Marketplace and webstore listing mappings tie channel products to internal SKUs. | |
| People (database records) Prospects from Apollo's global database, pulled into downstream systems once enriched or saved. | Returns & Refunds Post-sale records flow to finance and support systems. |
What ships with Apollo.io ⇄ Linnworks
Connect Apollo.io and Linnworks for flexible, real-time data sync.
Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Apollo.io–Linnworks connection.
No-code + pro-code
Workflow automation
Trigger automated workflows whenever Apollo.io or Linnworks 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 Apollo.io or Linnworks record.
Observability
Monitoring
Track your Apollo.io ⇄ Linnworks sync health, view errors, and replay failed events in one click.
Trading partners
EDI
Transform legacy EDI complexity into simple database interactions between Apollo.io and Linnworks.
How the Apollo.io and Linnworks connectors work
Apollo.io
- Integration surface
- REST API
- Authentication
- API key (passed in request headers); master keys unlock account-wide endpoints
- Change detection
- Polling on updated-at timestamps; webhook callbacks exist only for delivering asynchronous enrichment results, not as a general change-event stream
- Capabilities
- read · write
- Rate limits
- Rate limits and enrichment credits vary by plan; bulk endpoints are throttled separately from single-record calls
Linnworks
- Integration surface
- REST API
- Authentication
- Application credentials and an install token exchanged for a session token
- Change detection
- Polling on order and stock endpoints
- Capabilities
- read · write
- Rate limits
- Per-endpoint rate limits apply on the Linnworks API
How it works
How to connect Apollo.io to Linnworks — 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 Apollo.io and Linnworks with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.
Apollo.io
connected
Linnworks
connected
OAuth 2.0SSH tunnelSSL certificateVPC peering - 02
Choose tables
Pick the Apollo.io and Linnworks 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 · Apollo.io ⇄ LinnworksCustomers 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.
Apollo.io LinnworksCompany company_name textEmail email textAmount amount numericCreated created_at timestamp
FAQ
Apollo.io and Linnworks integration FAQ
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Yes. Stacksync provides a managed, real-time two-way integration between Apollo.io and Linnworks: authenticate both systems, choose the objects to sync (such as Apollo.io's Deals (Opportunities) and Tasks and calls), map fields visually, and changes propagate both ways in milliseconds — no code required.
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Common patterns for Apollo.io and Linnworks: Where Linnworks handles order-to-cash: closed-won flows through; Where Linnworks is the finance system of record: money status on the account; One customer master. A deal won in Apollo.io creates or updates the customer in Linnworks with clean data, so fulfillment and invoicing start without re-entry.
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Apollo.io: REST API. Authentication: API key (passed in request headers); master keys unlock account-wide endpoints. Linnworks: REST API. Authentication: Application credentials and an install token exchanged for a session token. Stacksync manages authentication, retries, and rate limits on both sides.
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Apollo.io: Apollo distinguishes between people in its global database and contacts saved to your account; only saved contacts carry your custom fields and sequence history. Linnworks: Orders are modeled in two populations, open orders and processed orders, and syncs typically treat processing as the state transition that moves a record between them. Stacksync's field mapping accounts for these differences between Apollo.io and Linnworks 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 Apollo.io and Linnworks 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 Apollo.io and Linnworks connectors, real-time two-way sync, monitoring, and support. That replaces building and maintaining a custom Apollo.io–Linnworks integration in-house.
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 Apollo.io and Linnworks.
Popular · 8 of 386
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Apollo.io ⇄ Visibility ERP -
Apollo.io ⇄ NetSuite -
Apollo.io ⇄ Dynamics 365 F&O - Apollo.io ⇄ SuiteAnalytics
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Linnworks ⇄ Affinity -
Linnworks ⇄ 6sense -
Linnworks ⇄ Clearbit -
Linnworks ⇄ Close
No integrations match .
