Two-way sync
Changes in Affinity or Nutshell instantly reflect in both systems. No stale data, no manual imports.
Keep Affinity and Nutshell in sync without custom scripts. Cut weeks of integration work, eliminate silent data drift, and give your team a single, reliable source of truth.
Two CRMs in one company is more common than anyone plans for: an acquisition brings its own system, regions or business units standardize differently, or a migration is under way and both are live. In every case, some of the same companies and people exist in both systems, and every day of manual double entry pushes the copies further apart.
Stacksync syncs Persons, Organizations, Opportunities, Field Values in Affinity with People, Companies, Activities, Tasks in Nutshell in real time and in both directions, with field-level mapping and matching on identifiers you choose. Update a record in either CRM and the other reflects it within seconds.
Deal stage and value on shared accounts stay visible from either CRM.
Keep both CRMs accurate while the merged team decides on a target system, instead of freezing one and losing months of updates.
When one CRM is replacing the other, run both fully live until cutover, with no snapshot gap and no data freeze.
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.
| Affinity objects | Nutshell objects | How this pairing syncs | |
|---|---|---|---|
| Notes Meeting and call notes synced for record-keeping in other systems. | Notes Free-text history attached to leads and contacts, replicated for a full timeline | Same entity on both sides — records pair one-to-one and field-level changes reconcile in both directions. | |
| Reminders Follow-up tasks associated with people and organizations. | Users Rep records used to resolve ownership when syncing assignments | Reminders is specific to Affinity and Users to Nutshell — each maps to any object or custom field on the other side. | |
| Lists Pipelines (deal flow, fundraising, portfolio) that structure most Affinity data; syncs usually target a specific list. | Leads Nutshell's deal object; synced as the pipeline record linked to people and companies | Lists is specific to Affinity and Leads to Nutshell — each maps to any object or custom field on the other side. | |
| List Entries The membership of a person, organization, or opportunity on a list, carrying its list-specific fields. | People Individual contacts, kept consistent with marketing and outreach tools | List Entries is specific to Affinity and People to Nutshell — each maps to any object or custom field on the other side. | |
| Persons Contact records enriched with relationship intelligence, synced with CRMs and outreach tools. | Companies Account records that group people and leads for account-level syncs | Persons is specific to Affinity and Companies to Nutshell — each maps to any object or custom field on the other side. | |
| Organizations Company records matched to accounts in other systems by domain. | Activities Logged calls, meetings, and emails used for engagement reporting | Organizations is specific to Affinity and Activities to Nutshell — each maps to any object or custom field on the other side. |
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.
DetectionAffinity notifies Stacksync of record changes through webhook events. Webhook subscriptions for record events, supplemented by polling.
DeliveryEach detected change is written to Nutshell through its API, with automatic retries and rate-limit backoff.
DetectionNutshell notifies Stacksync of record changes through webhook events. Webhook subscriptions for record events, with polling as fallback.
DeliveryEach detected change is written to Affinity through its API, with automatic retries and rate-limit backoff.
Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Affinity–Nutshell connection.
Changes in Affinity or Nutshell instantly reflect in both systems. No stale data, no manual imports.
Trigger automated workflows whenever Affinity or Nutshell data changes, update records, fire webhooks, or kick off sequences without brittle API scripts.
Handle millions of events per minute without losing a single Affinity or Nutshell record.
Track your Affinity ⇄ Nutshell sync health, view errors, and replay failed events in one click.
Transform legacy EDI complexity into simple database interactions between Affinity and Nutshell.
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.
Authenticate Affinity and Nutshell with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.
Pick the Affinity and Nutshell 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.
Fields map automatically even when names and types differ. Stacksync handles transformation and type casting for you, zero configuration required.
Yes. Stacksync provides a managed, real-time two-way integration between Affinity and Nutshell: authenticate both systems, choose the objects to sync (such as Affinity's Notes and Reminders), map fields visually, and changes propagate both ways in milliseconds — no code required.
Yes — Stacksync ships production-grade connectors for both Affinity and Nutshell. The connectors handle authentication, schema detection, rate limits, and retries; you configure the sync, and Stacksync operates it.
Change detection on Affinity: Webhook subscriptions for record events, supplemented by polling. On Nutshell: Webhook subscriptions for record events, with polling as fallback. Each detected change propagates to the other side in milliseconds, with field-level conflict resolution and an inspectable event log.
On the Affinity side: Persons, Organizations, Opportunities, Field Values, plus custom fields where Affinity exposes them. On the Nutshell side: People, Companies, Activities, Tasks. Stacksync auto-detects both schemas and converts types between the two systems.
Yes. Each object mapping can be bidirectional or restricted to a single direction (both systems accept writes). Read-only mirrors, one-way pushes, and full two-way sync can be mixed in the same integration.
Common patterns for Affinity and Nutshell: Where both track pipeline: deal visibility across systems; Post-acquisition consolidation; Migration with a parallel run. Deal stage and value on shared accounts stay visible from either CRM.
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.
Let your users access Stacksync from your centralized user management systems. Works with Okta, Azure, Google SSO and more.
Immediately get alerted about record syncing issues over email, Slack, PagerDuty and WhatsApp. Resolve issues from a centralized dashboard with retry and revert options.
Securely connects to your systems with:
Every pair below is a real-time, two-way sync. Search all 426 integrations available for Affinity and Nutshell.