# Developer Tools
source: https://developer.mastercard.com/ethoca-alerts-for-merchants/documentation/developer-tools/index.md

This section provides tools and resources to accelerate your integration with Ethoca Alerts for Merchants. Whether you prefer working with API clients, visual HTTP clients, or reference code, you'll find step-by-step guides to get started quickly.

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## Available Tools {#available-tools}

### [Reference Application](https://static.developer.mastercard.com/content/ethoca-alerts-for-merchants/documentation/developer-tools/reference-app.md) {#reference-applicationreference-appmd}

A complete, end-to-end implementation demonstrating all three API surfaces: Pull alert retrieval, acknowledgement submission, and outcome reporting. Includes source code, deployment instructions, and integration patterns you can adapt to your tech stack.

**Best for:** Learning best practices, understanding the full integration flow, jumpstarting your implementation.

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### [Postman Collection](https://static.developer.mastercard.com/content/ethoca-alerts-for-merchants/documentation/developer-tools/postman-collection.md) {#postman-collectionpostman-collectionmd}

Pre-configured OpenAPI collection with OAuth 1.0a authentication setup, environment variables for Sandbox and Production, and request/response examples for all endpoints.

**Best for:** Quick endpoint testing, development and debugging, team collaboration, API documentation review.

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### [Insomnia Collection](https://static.developer.mastercard.com/content/ethoca-alerts-for-merchants/documentation/developer-tools/insomnia-collection.md) {#insomnia-collectioninsomnia-collectionmd}

Pre-configured collection with OAuth plugin integration, environment variable management, and built-in request/response visualization.

**Best for:** Developers who prefer Insomnia's interface, teams using Insomnia for API development, lightweight testing workflows.

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## Getting Started {#getting-started}

**Start here if you're new to the API:**

1. Read the [Overview](https://static.developer.mastercard.com/content/ethoca-alerts-for-merchants/documentation/_index.md) to understand the service and your integration options
2. Follow the [Quick Start Guide](https://static.developer.mastercard.com/content/ethoca-alerts-for-merchants/documentation/tutorials-and-guides/quick-start-guide.md) for step-by-step setup
3. Review the [Reference Application](https://static.developer.mastercard.com/content/ethoca-alerts-for-merchants/documentation/developer-tools/reference-app.md) to see a complete implementation
4. Test endpoints using [Postman](https://static.developer.mastercard.com/content/ethoca-alerts-for-merchants/documentation/developer-tools/postman-collection.md) or [Insomnia](https://static.developer.mastercard.com/content/ethoca-alerts-for-merchants/documentation/developer-tools/insomnia-collection.md)

**Start here if you need to troubleshoot:**

* Use [Postman](https://static.developer.mastercard.com/content/ethoca-alerts-for-merchants/documentation/developer-tools/postman-collection.md) or [Insomnia](https://static.developer.mastercard.com/content/ethoca-alerts-for-merchants/documentation/developer-tools/insomnia-collection.md) to isolate and test individual endpoints
* Review [Testing](https://developer.mastercard.com/ethoca-alerts-for-merchants/documentation/testing/index.md) for positive and negative test cases
* Check [Codes \& Formats](https://developer.mastercard.com/ethoca-alerts-for-merchants/documentation/code-and-formats/index.md) for error code reference
* See [Support](https://developer.mastercard.com/ethoca-alerts-for-merchants/documentation/support/index.md) for FAQ and troubleshooting

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## Next Steps {#next-steps}

* Download and run the [Reference Application](https://static.developer.mastercard.com/content/ethoca-alerts-for-merchants/documentation/developer-tools/reference-app.md)
* Import the [Postman Collection](https://static.developer.mastercard.com/content/ethoca-alerts-for-merchants/documentation/developer-tools/postman-collection.md) or [Insomnia Collection](https://static.developer.mastercard.com/content/ethoca-alerts-for-merchants/documentation/developer-tools/insomnia-collection.md)
* Follow [Testing](https://developer.mastercard.com/ethoca-alerts-for-merchants/documentation/testing/index.md) guidelines to validate your integration
* Review [Tutorials and Guides](https://developer.mastercard.com/ethoca-alerts-for-merchants/documentation/tutorials-and-guides/index.md) for endpoint-specific walkthroughs