# Application Integration documentation

[Read product documentation](https://docs.cloud.google.com/application-integration/docs/overview)
Application Integration is an Integration-Platform-as-a-Service (iPaaS) solution in
Google Cloud that offers a comprehensive set of core integration tools to connect and
manage the multitude of applications and data required to support various business operations.

[Go to the Application Integration product page for more.](https://cloud.google.com/application-integration/)

## Documentation resources

Find quickstarts and guides, review key references, and get help with common issues.

### Guides

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  [Application Integration overview](https://docs.cloud.google.com/application-integration/docs/overview)

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  [Set up Application Integration](https://docs.cloud.google.com/application-integration/docs/setup-application-integration)

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  [Fundamental concepts](https://docs.cloud.google.com/application-integration/docs/concepts)

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  [Triggers and tasks](https://docs.cloud.google.com/application-integration/docs/all-triggers-tasks)

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  [Connectors for Application Integration](https://docs.cloud.google.com/application-integration/docs/using-integration-connectors)

### Reference

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  [REST API reference (v1)](https://docs.cloud.google.com/application-integration/docs/reference/rest/v1)

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  [REST API reference (v2)](https://docs.cloud.google.com/application-integration/docs/reference/rest/v2)

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  [Data mapping functions reference](https://docs.cloud.google.com/application-integration/docs/data-mapping-functions-reference)

### Resources

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  [Pricing](https://docs.cloud.google.com/application-integration/pricing)

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  [Quotas and limits](https://docs.cloud.google.com/application-integration/docs/quotas)

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  [Locations](https://docs.cloud.google.com/application-integration/docs/locations)

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  [Release notes](https://docs.cloud.google.com/application-integration/docs/release-notes)

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  [Known issues](https://docs.cloud.google.com/application-integration/docs/known-issue)

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  [Frequently asked questions](https://docs.cloud.google.com/application-integration/docs/faq)

## Related resources

Training and tutorials Use cases Code samples Explore self-paced training, use cases, reference architectures, and code samples with examples of how to use and connect Google Cloud services. Quickstart Training and tutorials

### [Retrieve API payload and send an email](https://docs.cloud.google.com/application-integration/docs/retrieve-api-payload-send-email)


Create an integration to retrieve the number of page views from a public API, transform the data using data mapping, and send the resulting list in an email.


Quickstart Training and tutorials

### [Listen to Cloud Pub/Sub topic and send an email](https://docs.cloud.google.com/application-integration/docs/listen-pub-sub-topic-send-email)


Create an integration with a Cloud Pub/Sub trigger to listen to the Pub/Sub topic, use data mapping to transform the Pub/Sub messages, and send an email.


Quickstart Training and tutorials

### [Invoke a sub-integration using a For Each Loop task](https://docs.cloud.google.com/application-integration/docs/invoke-sub-int-for-each-loop)


Create an integration that uses a For Each Loop task to invoke a sub-integration.


Tutorial Training and tutorials

### [Perform CRUD operations on a MySQL database](https://docs.cloud.google.com/application-integration/docs/perform-crud-operation-mysql-database)


Connect to a MySQL database instance from a sample integration and perform List, Get, Create, Update, and Delete operations on the MySQL database table.


Tutorial Training and tutorials

### [Insert data into BigQuery using a For Each Parallel task](https://docs.cloud.google.com/application-integration/docs/insert-data-bigquery-for-each-parallel-task)


Create an integration that uses the For Each Parallel task to process a series of records in BigQuery.


Tutorial Training and tutorials

### [Store Salesforce opportunity details in Cloud SQL](https://docs.cloud.google.com/application-integration/docs/invoke-integration-salesforce-cdc-event)


Create an integration to get and store the details of a Salesforce Closed opportunity in Cloud SQL.


![](https://docs.cloud.google.com/static/application-integration/images/opportunity-to-order.png) Use case \| tutorial Use cases

### [Automate Salesforce opportunity to BigQuery order](https://docs.cloud.google.com/application-integration/docs/automate-salesforce-opportunity-to-bigquery-order)


Use Application Integration to automate an order management flow between a CRM and an ERP application.

Application Integration Salesforce opportunity BigQuery Automation

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![](https://docs.cloud.google.com/static/application-integration/images/case-to-incident.png) Use case \| tutorial Use cases

### [Automate Salesforce case routing assignments](https://docs.cloud.google.com/application-integration/docs/automate-salesforce-case-routing)


Use Application Integration to automate the business process flow of routing and assigning a Salesforce customer case.

Application Integration Salesforce case Jira ServiceNow

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![](https://docs.cloud.google.com/static/application-integration/images/api-fulfilment.png) Use case \| tutorial Use cases

### [API request fulfilment](https://docs.cloud.google.com/application-integration/docs/api-fulfilment)


Use Application Integration to route and fetch information for an ingress API request.

Application Integration API MySQL DB Oracle DB

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Code sample Code Samples

### [Concat a string variable to a string array](https://github.com/GoogleCloudPlatform/application-integration-samples/blob/HEAD/src/concat-string-array/concat-string-array.json)


Code sample Code Samples

### [Filter values in a JSON array](https://github.com/GoogleCloudPlatform/application-integration-samples/blob/HEAD/src/filter-json-array/filter-json-array.json)


Code sample Code Samples

### [Merge two JSON arrays](https://github.com/GoogleCloudPlatform/application-integration-samples/blob/HEAD/src/merge-json-arrays/merge-json-arrays.json)


Code sample Code Samples

### [Remove a property of a JSON object](https://github.com/GoogleCloudPlatform/application-integration-samples/blob/HEAD/src/remove-json-property/remove-json-property.json)


Code sample Code Samples

### [Resolve a JSON reference](https://github.com/GoogleCloudPlatform/application-integration-samples/blob/HEAD/src/resolve-json/resolve-json.json)


Code sample Code Samples

### [All samples](https://docs.cloud.google.com/application-integration/docs/samples)


Browse all samples for Application Integration.