# Guides

- [API limits](/middle-docs/guides/api-limits.md): Be aware of API limits when configuring accounts and building apps
- [Building an API for Middle](/middle-docs/guides/building-an-api-for-middle.md): Learn how to develop an API that fits with Middle
- [App Reference](/middle-docs/guides/app-reference.md): Obtains the credentials to connect an app
- [ABC Ignite](/middle-docs/guides/app-reference/abc-ignite.md): Learn how to connect ABC Fitness Solutions to Middle
- [Check-in Alerts](/middle-docs/guides/app-reference/abc-ignite/check-in-alerts.md)
- [Acuity Scheduling](/middle-docs/guides/app-reference/acuity-scheduling.md)
- [Amazon S3](/middle-docs/guides/app-reference/amazon-s3.md)
- [Clover](/middle-docs/guides/app-reference/clover.md): Learn how to create a Clover app to facilitate the connection with Middle
- [Club Automation](/middle-docs/guides/app-reference/club-automation.md)
- [Club OS](/middle-docs/guides/app-reference/club-os.md)
- [ClubReady](/middle-docs/guides/app-reference/clubready.md)
- [Dropbox](/middle-docs/guides/app-reference/dropbox.md)
- [Facebook](/middle-docs/guides/app-reference/facebook.md): Learn how to set up your Meta Developer Facebook OAuth App and connection to Middle
- [Glofox](/middle-docs/guides/app-reference/glofox.md)
- [Gmail](/middle-docs/guides/app-reference/gmail.md): Creating a Gmail OAuth App in Your Google Organization
- [HighLevel](/middle-docs/guides/app-reference/highlevel.md)
- [Contact custom fields](/middle-docs/guides/app-reference/highlevel/contact-custom-fields.md)
- [HubSpot](/middle-docs/guides/app-reference/hubspot.md): Instructions on how to authenticate HubSpot
- [Integration Guides](/middle-docs/guides/app-reference/hubspot/integration-guides.md): Integration guides for Hubspot - based on destination
- [Gym and Studio Management Software](/middle-docs/guides/app-reference/hubspot/integration-guides/gym-and-studio-management-software.md): A guide to integrating HubSpot with your gym or studio's management software
- [ABC Ignite](/middle-docs/guides/app-reference/hubspot/integration-guides/abc-ignite.md)
- [Personal Training Acquisition Pipeline](/middle-docs/guides/app-reference/hubspot/integration-guides/abc-ignite/personal-training-acquisition-pipeline.md)
- [Dropbox](/middle-docs/guides/app-reference/hubspot/integration-guides/dropbox.md)
- [Emailed report import](/middle-docs/guides/app-reference/hubspot/integration-guides/dropbox/emailed-report-import.md)
- [Associating objects](/middle-docs/guides/app-reference/hubspot/associating-objects.md)
- [Custom properties](/middle-docs/guides/app-reference/hubspot/custom-properties.md)
- [External ID properties](/middle-docs/guides/app-reference/hubspot/external-id-properties.md)
- [Phone number formatting](/middle-docs/guides/app-reference/hubspot/phone-number-formatting.md)
- [File Import Action](/middle-docs/guides/app-reference/hubspot/file-import-action.md): Learn about Middle's "Import File into Hubspot Action"
- [Using a Middle file export to initialize data and properties](/middle-docs/guides/app-reference/hubspot/using-a-middle-file-export-to-initialize-data-and-properties.md)
- [Klaviyo](/middle-docs/guides/app-reference/klaviyo.md)
- [Mindbody](/middle-docs/guides/app-reference/mindbody.md): Learn how to get a Mindbody API key and connect with a new site ID
- [Clients and memberships](/middle-docs/guides/app-reference/mindbody/clients-and-memberships.md)
- [OpenAI](/middle-docs/guides/app-reference/openai.md): Get credentials to use Middle's OpenAI integration
- [Paramount Acceptance](/middle-docs/guides/app-reference/paramount-acceptance.md): Learn how to connect Paramount Acceptance
- [ReClique Core](/middle-docs/guides/app-reference/reclique-core.md)
- [Salesforce](/middle-docs/guides/app-reference/salesforce.md): Learn how to setup a Connected App in Salesforce to connect in Middle
- [Shopify](/middle-docs/guides/app-reference/shopify.md): Connect Shopify using a custom app
- [Xn](/middle-docs/guides/app-reference/xn.md)
- [Zenoti](/middle-docs/guides/app-reference/zenoti.md)
- [Development best practices](/middle-docs/guides/development-best-practices.md)
- [App code packages](/middle-docs/guides/app-code-packages.md): Describes how to package reusable code