> For the complete documentation index, see [llms.txt](https://docs.one-cp.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.one-cp.com/integration-and-development.md).

# Integration & Development

- [Web SDK Integration](https://docs.one-cp.com/integration-and-development/checkout-web-sdk.md): 1-CP Corporate Checkout Web SDK
- [1-CP Corporate Checkout API](https://docs.one-cp.com/integration-and-development/1-cp-corporate-checkout-api.md)
- [🚀 Overview](https://docs.one-cp.com/integration-and-development/1-cp-corporate-checkout-api/overview.md)
- [✨ Key Features](https://docs.one-cp.com/integration-and-development/1-cp-corporate-checkout-api/key-features.md)
- [🏃‍♂️ Quick Start Guide](https://docs.one-cp.com/integration-and-development/1-cp-corporate-checkout-api/quick-start-guide.md)
- [🔐 Authentication](https://docs.one-cp.com/integration-and-development/1-cp-corporate-checkout-api/authentication.md)
- [📋 Corporate Checkout Schema](https://docs.one-cp.com/integration-and-development/1-cp-corporate-checkout-api/corporate-checkout-schema.md)
- [🪄 API Reference](https://docs.one-cp.com/integration-and-development/api-reference.md)
- [Models](https://docs.one-cp.com/integration-and-development/models.md)
- [Testing & Development](https://docs.one-cp.com/integration-and-development/testing.md): Testing and development resources for 1-CP Corporate Checkout
- [Test Environment Setup](https://docs.one-cp.com/integration-and-development/testing/test-credentials.md): Test environment setup and general credentials for 1-CP Corporate Checkout
- [Certification Process](https://docs.one-cp.com/integration-and-development/testing/certification.md)
- [Error Messages & Troubleshooting](https://docs.one-cp.com/integration-and-development/testing/error-messages.md): Error Messages for Payment Processing