> For the complete documentation index, see [llms.txt](https://readme.directual.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://readme.directual.com/api-integrations.md).

# API and integraions

- [API-Endpoints](https://readme.directual.com/api-integrations/api-endpoints-security-layer.md)
- [Advanced techniques for GET and POST requesting](https://readme.directual.com/api-integrations/api-endpoints-security-layer/advanced-techniques-for-get-requesting.md)
- [Paging for GET-requests](https://readme.directual.com/api-integrations/api-endpoints-security-layer/advanced-techniques-for-get-requesting/paging-for-get-requests.md)
- [Dynamic sorting for GET-requests](https://readme.directual.com/api-integrations/api-endpoints-security-layer/advanced-techniques-for-get-requesting/dynamic-sorting-for-get-requests.md)
- [Custom filtering parameters for GET-requests](https://readme.directual.com/api-integrations/api-endpoints-security-layer/advanced-techniques-for-get-requesting/custom-filtering-parameters-for-get-requests.md)
- [Advanced filtering for GET-requests](https://readme.directual.com/api-integrations/api-endpoints-security-layer/advanced-techniques-for-get-requesting/advanced-filtering-for-get-requests.md)
- [Formatting response for GET-request](https://readme.directual.com/api-integrations/api-endpoints-security-layer/advanced-techniques-for-get-requesting/optional-parameters.md)
- [Fields validation for POST-requests](https://readme.directual.com/api-integrations/api-endpoints-security-layer/advanced-techniques-for-get-requesting/fields-validation-for-post-requests.md)
- [Synchronic scenarios for POST-requests](https://readme.directual.com/api-integrations/api-endpoints-security-layer/advanced-techniques-for-get-requesting/synchronic-scenarios-for-post-requests.md)
- [Cross-Origin Resource Sharing CORS](https://readme.directual.com/api-integrations/api-endpoints-security-layer/advanced-techniques-for-get-requesting/cross-origin-resource-sharing-cors.md)
- [API testing and debugging](https://readme.directual.com/api-integrations/api-endpoints-security-layer/api-testing-and-debugging.md)
- [Coding mode (raw mode) in filters](https://readme.directual.com/api-integrations/api-endpoints-security-layer/coding-mode-in-filters.md)
- [Swagger specification](https://readme.directual.com/api-integrations/api-endpoints-security-layer/swagger-specification.md)
- [Webhooks](https://readme.directual.com/api-integrations/webhooks.md): Integrate a third-party service with just a few simple clicks 🪝
- [Authentication API](https://readme.directual.com/api-integrations/authentication-api.md)
- [Login/password](https://readme.directual.com/api-integrations/authentication-api/login-password.md)
- [OpenID connect](https://readme.directual.com/api-integrations/authentication-api/openid-connect.md)
- [Facebook oAuth](https://readme.directual.com/api-integrations/authentication-api/facebook-oauth.md)
- [Google oAuth](https://readme.directual.com/api-integrations/authentication-api/google-oauth.md)
- [Security Features](https://readme.directual.com/api-integrations/security-features.md)
- [Other Integrations](https://readme.directual.com/api-integrations/other-integrations.md)
- [OpenAI](https://readme.directual.com/api-integrations/other-integrations/openai.md)
- [Integration Hubs](https://readme.directual.com/api-integrations/other-integrations/integration-hubs.md)
- [Zapier](https://readme.directual.com/api-integrations/other-integrations/integration-hubs/zapier.md)
- [Telegram](https://readme.directual.com/api-integrations/other-integrations/telegram.md): The best messenger
- [Telegram: Advanced Techniques](https://readme.directual.com/api-integrations/other-integrations/telegram/telegram-advanced-techniques.md)
- [Email](https://readme.directual.com/api-integrations/other-integrations/email.md)
- [SMTP](https://readme.directual.com/api-integrations/other-integrations/email/smtp.md)
- [Gmail](https://readme.directual.com/api-integrations/other-integrations/email/gmail.md)
- [Twilio SMS](https://readme.directual.com/api-integrations/other-integrations/twilio-sms.md)
- [Airtable](https://readme.directual.com/api-integrations/other-integrations/airtable.md): Excel on steroids
- [Coupler.io](https://readme.directual.com/api-integrations/other-integrations/coupler.io.md): An easy way to gather your data in Google sheets
- [Other No-Code Tools](https://readme.directual.com/api-integrations/other-integrations/interface-builders.md)
- [Bubble.io](https://readme.directual.com/api-integrations/other-integrations/interface-builders/integration-with-bubble.io.md): Integrating with bubble.io can provide you with the capability to harness the strengths of both platforms: building a robust web/UI app with Bubble.io and implementing complex logic with Directual.
- [Authorization](https://readme.directual.com/api-integrations/other-integrations/interface-builders/integration-with-bubble.io/authorisation-connect-user-on-directual-to-bubble.md)
- [Displaying Data from Directual on Bubble](https://readme.directual.com/api-integrations/other-integrations/interface-builders/integration-with-bubble.io/displaying-data-on-bubble-from-directual.com.md): You can display data from Directual on your Bubble project. Let's have a look at how to do it for both anonymous and authenticated users.
- [Adalo](https://readme.directual.com/api-integrations/other-integrations/interface-builders/adalo.md)
- [UI bakery](https://readme.directual.com/api-integrations/other-integrations/interface-builders/ui-bakery.md)
- [Tilda](https://readme.directual.com/api-integrations/other-integrations/interface-builders/tilda.md)
- [AppGyver](https://readme.directual.com/api-integrations/other-integrations/interface-builders/appgryver.md)