> ## Documentation Index > Fetch the complete documentation index at: https://zenskar.com/docs/llms.txt > Use this file to discover all available pages before exploring further. # Data migration and integration options ## Data migration: for historical data | Dataset | Migrating historical data (sales-led and product-led motions) | | :------------------------------------------------------------------ | :------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | | [Customers](/docs/20240301/product-modules/customers/concepts/customers) | Migrate customer data using [Zenskar's third-party-software connectors](/docs/20240301/integration-and-migration-guides/data-migration-and-integration-options#important-third-party-software-integrations). | | | *Push* customer data to Zenskar [using Zenskar's customer-data-ingestion APIs](/docs/api-reference/customers/create-customer) . | | | [Upload Zenskar-compatible CSV](/docs/20240301/product-modules/customers/how-to-guides/add-customers#add-customers-in-bulk-via-csv) containing customer data. | | | [Create customers manually](/docs/20240301/product-modules/customers/how-to-guides/add-customers#add-a-customer-manually) in the Zenskar application | | [Usage data](/docs/20240301/product-modules/usage/concepts/usage-event) | Let Zenskar *pull* usage data [from your data sources](/docs/20240301/getting-started/introduction#data-source-connectors). | | | *Push* usage data to Zenskar [using Zenskar's usage-data-ingestion APIs](/docs/api-reference/usage-events/create-usage-event) . | | | Upload a Zenskar-compatible CSV containing usage data. | | [Contracts](/docs/20240301/product-modules/contracts/concepts/contract) | Migrate contract data using [Zenskar's CRM connector](/docs/20240301/integration-and-migration-guides/data-migration-and-integration-options#important-third-party-software-integrations). | | | *Push* contract data to Zenskar [using Zenskar's contract-data-ingestion APIs](/docs/api-reference/contracts/create-contract) . | | | Create contracts or plans manually in the Zenskar application. | | | Upload a Zenskar-compatible CSV containing contract data. | ## Data integration: for contemporary data | Dataset | Sales-led motion | Product-led motion | | ------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | [Customers](/docs/20240301/product-modules/customers/concepts/customers) | **Recommended:** Sync customer data using [Zenskar's third-party-software connectors](/docs/20240301/integration-and-migration-guides/data-migration-and-integration-options#important-third-party-software-integrations), or [create customers manually](/docs/20240301/product-modules/customers/how-to-guides/add-customers#add-a-customer-manually) in the Zenskar application. **Available:** Push customer data [using Zenskar's customer-data-ingestion APIs](/docs/api-reference/customers/create-customer). **Available but not recommended:** [Upload a Zenskar-compatible CSV](/docs/20240301/product-modules/customers/how-to-guides/add-customers#add-customers-in-bulk-via-csv) containing customer data. | Push customer data [using Zenskar's customer-data-ingestion APIs](/docs/api-reference/customers/create-customer). | | [Usage data](/docs/20240301/product-modules/usage/concepts/usage-event) | **Recommended:** Pull usage data [from your data sources](/docs/20240301/getting-started/introduction#data-source-connectors), or push usage data [using Zenskar's usage-data-ingestion APIs](/docs/api-reference/usage-events/create-usage-event). **Available but not recommended:** Upload a Zenskar-compatible CSV containing usage data. | **Recommended:** Pull usage data [from your data sources](/docs/20240301/getting-started/introduction#data-source-connectors), or push usage data [using Zenskar's usage-data-ingestion APIs](/docs/api-reference/contracts/create-contract). **Available but not recommended:** Upload a Zenskar-compatible CSV containing usage data. | | [Contracts](/docs/20240301/product-modules/contracts/concepts/contract) | **Recommended:** Sync contract data using [Zenskar's CRM connector](/docs/20240301/integration-and-migration-guides/data-migration-and-integration-options#important-third-party-software-integrations), or create [contracts](/docs/20240301/product-modules/contracts/concepts/contract) or [plans](/docs/20240301/product-modules/contracts/concepts/plan) manually in the Zenskar application. **Available:** Push contract data [using Zenskar's contract-data-ingestion APIs](/docs/api-reference/contracts/create-contract). **Available but not recommended:** Upload a Zenskar-compatible CSV containing contract data. | Push contract data [using Zenskar's contract-data-ingestion APIs](/docs/api-reference/contracts/create-contract) and receive notifications via [webhooks](/docs/20240301/product-modules/settings/webhook-alerts). | ## Pros and cons of various data-ingestion methods | Data-ingestion method | | :--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | [Pros and cons of letting Zenskar pull usage data from your data sources.](/docs/20240301/product-modules/usage/data-sources/data-ingestion-via-data-source-connectors#-pros-and--cons) | | [Pros and cons of using data-ingestion APIs to push data to Zenskar.](/docs/20240301/product-modules/usage/usage-event/data-ingestion-via-apis#-pros-and--cons) | | [Pros and cons of manually uploading a Zenskar-compatible CSV.](/docs/20240301/product-modules/usage/usage-event/data-ingestion-via-zenskar-compatible-csv-file#pros-and-cons) | | [Pros and cons of manually entering events in the web form.](/docs/20240301/product-modules/usage/usage-event/web-form-for-manual-raw-metrics#pros-and-cons) | ## Important third-party software integrations The table below shows the current state of third-party integrations. Some support only **import** or **export**, while **two-way sync** is under development. For more details or early access to two-way sync, please contact [Zenskar Support](mailto:help@zenskar.com). | Connector | Type | Customers | Contracts | Products | Invoices | Payments | Credit notes | Journal entries | Tax | | :------------------------------------------------------------------------------------- | :-------------- | :------------------------ | :----------- | :----------- | :------------------------ | :------------------------ | :------------------------ | :------------------------ | :-------------------------------------- | | [**Avalara AvaTax**](/docs/20240301/third-party-integrations/tax-automation/avalara-avatax) | Tax | | | | | | | | Automates tax calculations in invoices. | | [**HubSpot**](/docs/20240301/third-party-integrations/CRMs-and-CPQs/hubspot) | CRM | Two-way sync | Two-way sync | Two-way sync | | | | | | | [**NetSuite**](/docs/20240301/third-party-integrations/ERPs/netsuite) | ERP | Export only (two-way WIP) | | | | | | Export only (two-way WIP) | | | [**QuickBooks**](/docs/20240301/third-party-integrations/ERPs/quickbooks) | ERP | Export only (two-way WIP) | | | Export only (two-way WIP) | Export only (two-way WIP) | Export only (two-way WIP) | Export only (two-way WIP) | | | [**Salesforce**](/docs/20240301/third-party-integrations/CRMs-and-CPQs/salesforce) | CRM/CPQ | Two-way sync | | | Export only (two-way WIP) | Export only (two-way WIP) | | | | | [**Stripe**](/docs/20240301/third-party-integrations/payment-gateways/stripe) | Payment Gateway | Two-way sync | | | | Import only (two-way WIP) | | | | | [**Xero**](/docs/20240301/third-party-integrations/ERPs/xero) | ERP | Export only (two-way WIP) | | | Export only (two-way WIP) | Export only (two-way WIP) | Export only (two-way WIP) | Export only (two-way WIP) | | | [**Zoho Books**](/docs/20240301/third-party-integrations/ERPs/zoho-books) | ERP | Export only (two-way WIP) | | | Export only (two-way WIP) | Export only (two-way WIP) | | | | ![](https://assets.zenskar.com/20240301/integration-guides-how-zenskar-third-party-integrations-work.gif)