# Adfin Developer Platform > Adfin's APIs for invoicing, payments and credit contol. ## Table of contents - [casestudy1.md](https://developer.adfin.com/case-studies/casestudy1.md) - [casestudy2.md](https://developer.adfin.com/case-studies/casestudy2.md) - [mcp.md](https://developer.adfin.com/products/direct-integration/mcp/mcp.md) - [Invoices](https://developer.adfin.com/catalog/invoices.md) - [Payment Request](https://developer.adfin.com/catalog/paymentrequest.md) - [Responsible Use of Warp](https://developer.adfin.com/legal/responsible-use.md) - [Legal Shenanigans](https://developer.adfin.com/legal/terms.md) - [Changelog](https://developer.adfin.com/changelog.md) - [Introduction](https://developer.adfin.com/products/direct-integration/guides/accounting-software/1_introduction.md) - [Change log](https://developer.adfin.com/changelog/changelog.md) - [Sync customers](https://developer.adfin.com/products/direct-integration/guides/accounting-software/2_customers.md) - [Sync invoices](https://developer.adfin.com/products/direct-integration/guides/accounting-software/3_invoices.md) - [Resources at a glance](https://developer.adfin.com/products/direct-integration/guides/adfin-core/payment-request-guide.md) - [Adfin Core](https://developer.adfin.com/products/direct-integration/guides/adfin-core/adfin-core.md) - [Create and manage customers](https://developer.adfin.com/products/direct-integration/guides/adfin-core/customers-guide.md) - [Recommended webhooks for Adfin Express](https://developer.adfin.com/products/direct-integration/guides/adfin-core/recommended-webhooks.md) - [Adfin Express introduction](https://developer.adfin.com/products/direct-integration/guides/adfin-express/adfin-express.md) - [Create and manage customers](https://developer.adfin.com/products/direct-integration/guides/adfin-express/customers-guide.md) - [About this template: Warp Multi-sidebars](https://developer.adfin.com/about.md) - [Create and manage invoices](https://developer.adfin.com/products/direct-integration/guides/adfin-express/invoices-guide.md) - [Recommended webhooks for Adfin Express](https://developer.adfin.com/products/direct-integration/guides/adfin-express/recommended-webhooks.md) - [Invoice design patterns](https://developer.adfin.com/products/direct-integration/guides/design-patterns/1-invoices.md) - [Direct debit design patterns](https://developer.adfin.com/products/direct-integration/guides/design-patterns/2-direct-debit.md) - [Getting access to Adfin](https://developer.adfin.com/products/direct-integration/guides/get-started/1_get-access.md) - [Register your first tenant](https://developer.adfin.com/products/direct-integration/guides/get-started/2_register-account.md) - [Authenticating your application](https://developer.adfin.com/products/direct-integration/guides/get-started/authentication.md) - [Building with Adfin](https://developer.adfin.com/products/direct-integration/guides/get-started/building-with-adfin.md) - [Test payment credentials](https://developer.adfin.com/products/direct-integration/guides/get-started/test-payments.md) - [Market & industry support](https://developer.adfin.com/products/direct-integration/guides/standards/market-availability.md) - [Standards](https://developer.adfin.com/products/direct-integration/guides/standards/standards.md) - [Webhook Events](https://developer.adfin.com/products/direct-integration/guides/webhooks/webhook-events.md) - [Configure webhooks](https://developer.adfin.com/products/direct-integration/guides/webhooks/webhook-setup.md) - [Webhook signature validation](https://developer.adfin.com/products/direct-integration/guides/webhooks/webhook-signature-verification.md) - [Introduction](https://developer.adfin.com/products/partner-integration/guides/accounting-software/1_introduction.md) - [Sync customers](https://developer.adfin.com/products/partner-integration/guides/accounting-software/2_customers.md) - [Sync invoices](https://developer.adfin.com/products/partner-integration/guides/accounting-software/3_invoices.md) - [Adfin Express introduction](https://developer.adfin.com/products/partner-integration/guides/adfin-express/adfin-express.md) - [Create and manage customers](https://developer.adfin.com/products/partner-integration/guides/adfin-express/customers-guide.md) - [Create and manage invoices](https://developer.adfin.com/products/partner-integration/guides/adfin-express/invoices-guide.md) - [Recommended webhooks for Adfin Express](https://developer.adfin.com/products/partner-integration/guides/adfin-express/recommended-webhooks.md) - [Adfin Core](https://developer.adfin.com/products/partner-integration/guides/adfin-core/adfin-core.md) - [Create and manage customers](https://developer.adfin.com/products/partner-integration/guides/adfin-core/customers-guide.md) - [Resources at a glance](https://developer.adfin.com/products/partner-integration/guides/adfin-core/payment-request-guide.md) - [Recommended webhooks for Adfin Express](https://developer.adfin.com/products/partner-integration/guides/adfin-core/recommended-webhooks.md) - [Invoice design patterns](https://developer.adfin.com/products/partner-integration/guides/design-patterns/1-invoices.md) - [Direct debit design patterns](https://developer.adfin.com/products/partner-integration/guides/design-patterns/2-direct-debit.md) - [Register your first tenant](https://developer.adfin.com/products/partner-integration/guides/get-started/2_register-account.md) - [Getting access to Adfin](https://developer.adfin.com/products/partner-integration/guides/get-started/1_get-access.md) - [Authenticating your application](https://developer.adfin.com/products/partner-integration/guides/get-started/authentication.md) - [Building with Adfin](https://developer.adfin.com/products/partner-integration/guides/get-started/building-with-adfin.md) - [Test payment credentials](https://developer.adfin.com/products/partner-integration/guides/get-started/test-payments.md) - [Market & industry support](https://developer.adfin.com/products/partner-integration/guides/standards/market-availability.md) - [Standards](https://developer.adfin.com/products/partner-integration/guides/standards/standards.md) - [Webhook Events](https://developer.adfin.com/products/partner-integration/guides/webhooks/webhook-events.md) - [Configure webhooks](https://developer.adfin.com/products/partner-integration/guides/webhooks/webhook-setup.md) - [Webhook signature validation](https://developer.adfin.com/products/partner-integration/guides/webhooks/webhook-signature-verification.md) - [Adfin API](https://developer.adfin.com/bulk-upload.md) - [Adfin API](https://developer.adfin.com/api-docs/prod.md) - [Adfin API](https://developer.adfin.com/products/direct-integration/direct-integration-api-reference.md) - [Adfin API](https://developer.adfin.com/products/partner-integration/partner-integration-api-reference.md)