# Integrations

CRM, email marketing, webhooks, OAuth, and custom integration walkthroughs.

##### [Building a CRM integration from scratch](/guides/integrations/building-a-crm-integration-from-scratch)

Create your own custom CRM integrations with Formie, for sending form content to third-party platforms.

##### [Creating OAuth integrations with Formie](/guides/integrations/creating-oauth-integrations-with-formie)

OAuth can be a pain. Fortunately you can make use of Formie's framework to handle the intricacies of fetching and refreshing tokens. You don't even have to use Formie forms!

##### [Using Guzzle clients from Formie integrations in your own code](/guides/integrations/using-guzzle-clients-from-formie-integrations-in-your-own-code)

Thanks to Formie's integrations being powered by Guzzle, you can make use of the Guzzle client Formie exposes for your own needs on your site.

##### [Building an Email Marketing integration from scratch](/guides/integrations/building-an-email-marketing-integration-from-scratch)

Create your own custom Email Marketing integrations with Formie, for sending form content to third-party marketing platforms.

##### [Building a Webhook integration from scratch](/guides/integrations/building-a-webhook-integration-from-scratch)

Create your own custom Webhook integrations with Formie, for sending form content to third-party platforms.