Two-way sync
Changes in Ironclad or Twenty CRM instantly reflect in both systems. No stale data, no manual imports.
Keep Ironclad and Twenty CRM in sync without custom scripts. Cut weeks of integration work, eliminate silent data drift, and give your team a single, reliable source of truth.
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 Ironclad 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 Workflows, Records, Entities, Obligations in Ironclad to Workspace Members, People, Companies, Opportunities in Twenty CRM with bi-directional, real-time sync. Activity and record changes in Ironclad update the matching contact or account in Twenty CRM, and CRM data flows the other way wherever Ironclad can store and use it.
Owner, lifecycle stage, or account details from Twenty CRM sync into Ironclad, so people working there have the context without switching tools.
Tickets and conversations attach to the right contact and account in Twenty CRM, so sales sees open issues before the next call.
Enriched fields land directly on records in Twenty CRM, and refreshes keep them from going stale.
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.
| Ironclad objects | Twenty CRM objects | How this pairing syncs | |
|---|---|---|---|
| Records The Repository of executed and stored contracts with metadata (value, counterparty, key dates, type) and attachments; full create, read, update, and delete so signed-contract data and PDFs sync to a warehouse, ERP, or CRM. | Notes Free-form notes attached to records, useful for mirroring activity from other tools. | Records is specific to Ironclad and Notes to Twenty CRM — each maps to any object or custom field on the other side. | |
| Entities Structured records for counterparties and other parties linked to workflows and records; read and written to keep company and vendor master data aligned with a CRM or ERP. | Custom Objects User-defined objects created in Twenty's data model settings, addressable through the same APIs as standard objects. | Entities is specific to Ironclad and Custom Objects to Twenty CRM — each maps to any object or custom field on the other side. | |
| Obligations Post-signature commitments, milestones, and renewal dates tied to contracts; synced two-way to drive renewal, compliance, and finance reporting in downstream systems. | Attachments Files linked to records. | Obligations is specific to Ironclad and Attachments to Twenty CRM — each maps to any object or custom field on the other side. | |
| Webhooks Event subscriptions that push workflow, approval, signature, document, and comment changes to Stacksync in near real time; created, listed, and deleted through the API across 40+ event types. | Workspace Members User accounts used for record ownership and assignment mapping. | Webhooks is specific to Ironclad and Workspace Members to Twenty CRM — each maps to any object or custom field on the other side. | |
| Workflow Approvals Per-workflow approval requests and their state; read to report approval status and cycle time, and status changes arrive live through the workflow_approval_status_changed event. | People Individual contact records with emails, phones, and company links; a core target for contact syncs. | Workflow Approvals is specific to Ironclad and People to Twenty CRM — each maps to any object or custom field on the other side. | |
| Signature Packets The e-signature packets on a workflow (sent, signatures collected, fully signed); read to track signing progress, with packet events delivered by webhook for real-time status. | Companies Account-level records that group people and opportunities. | Signature Packets is specific to Ironclad and Companies to Twenty CRM — 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.
DetectionIronclad notifies Stacksync of record changes through webhook events. Native webhook subscriptions (POST /webhooks) fire on 40+ workflow, approval, signature, document, and comment events, and Ironclad retries a failing.
DeliveryEach detected change is written to Twenty CRM through its API, with automatic retries and rate-limit backoff.
DetectionTwenty CRM notifies Stacksync of record changes through webhook events. Webhooks on record create, update, and delete events, or polling on record update timestamps.
DeliveryEach detected change is written to Ironclad through its API, with automatic retries and rate-limit backoff.
Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Ironclad–Twenty CRM connection.
Changes in Ironclad or Twenty CRM instantly reflect in both systems. No stale data, no manual imports.
Trigger automated workflows whenever Ironclad or Twenty CRM data changes, update records, fire webhooks, or kick off sequences without brittle API scripts.
Handle millions of events per minute without losing a single Ironclad or Twenty CRM record.
Track your Ironclad ⇄ Twenty CRM sync health, view errors, and replay failed events in one click.
Transform legacy EDI complexity into simple database interactions between Ironclad and Twenty CRM.
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 Ironclad and Twenty CRM 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 Ironclad and Twenty CRM 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 Ironclad and Twenty CRM: authenticate both systems, choose the objects to sync (such as Ironclad's Records and Entities), map fields visually, and changes propagate both ways in milliseconds — no code required.
Ironclad: Rate limits are per account per minute and differ by endpoint - for example GET Records is 600/min but POST/PATCH Workflows only 40/min - and exceeding one returns HTTP 429. Twenty CRM: Twenty is open source and self-hostable, backed by PostgreSQL, with an object and field model that is metadata-driven and editable from the UI. Stacksync's field mapping accounts for these differences between Ironclad and Twenty CRM without custom code.
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 Ironclad and Twenty CRM records are not retained after a sync operation.
Stacksync pricing is usage-based and starts at $1,000/month, including the managed Ironclad and Twenty CRM connectors, real-time two-way sync, monitoring, and support. That replaces building and maintaining a custom Ironclad–Twenty CRM integration in-house.
Yes — Stacksync ships production-grade connectors for both Ironclad and Twenty CRM. The connectors handle authentication, schema detection, rate limits, and retries; you configure the sync, and Stacksync operates it.
Change detection on Ironclad: Native webhook subscriptions (POST /webhooks) fire on 40+ workflow, approval, signature, document, and comment events, and Ironclad retries a failing endpoint up to 10 times over about 13.6 hours with exponential backoff. Otherwise poll the list endpoints by last-updated. There is no database change-data-capture log. On Twenty CRM: Webhooks on record create, update, and delete events, or polling on record update timestamps. Each detected change propagates to the other side in milliseconds, with field-level conflict resolution and an inspectable event log.
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 440 integrations available for Ironclad and Twenty CRM.