Trae API Tutorial: Connect Models and Boost Coding

Build faster with Trae's flexible AI development workflow. Connect built-in or external models, customize your coding experience, and bring your preferred AI capabilities into Trae with API integration, including Kimi API for enhanced coding and reasoning tasks.

2026-07-22
Connect the Kimi API to Trae

Trae API integration can be challenging when developers need to connect AI capabilities, manage workflows, and ensure smooth communication between applications. Without clear guidance, the setup process can become time-consuming and lead to unnecessary development hurdles. This guide simplifies the process by providing a clear, step-by-step approach to integrating with the Trae API, helping developers build, connect, and scale AI-powered applications more efficiently.

What is Trae?

TRAE is an AI-powered development platform that combines intelligent coding assistance with a full-featured development environment. It helps developers build, understand, debug, and manage projects more efficiently through AI agents and advanced coding tools. TRAE offers both traditional IDE workflows and autonomous AI-driven development modes, allowing users to choose the level of control they need. With support for code generation, project analysis, testing, and workflow automation, it streamlines both everyday coding tasks and complex software development projects.

How to use built-in AI models in Trae?

TRAE provides multiple built-in AI models for coding, reasoning, and multimodal tasks. You can switch between models based on your workflow and requirements.

Step 1: Open the model selector

In the AI chat interface, click "Auto" in the model selector and turn off Auto Mode to manually choose a model.

Open the model selector

Step 2: Select a model

Browse the available models and select the one that best fits your task. Hover over a model to check its capabilities, such as reasoning, image understanding, or memory support. The selected model will be activated immediately and can be changed at any time. For coding and complex reasoning tasks, we recommend using Kimi for a more efficient development experience.

Select a model

How to connect an external API to Trae?

While TRAE includes powerful built-in AI capabilities, connecting external APIs allows you to expand its functionality and integrate specialized models or services. For example, you can connect APIs such as Kimi to access different AI capabilities, customize workflows, optimize costs, or use models that better fit specific development tasks. Here's how you can connect an external API to TRAE using Kimi as an example.

Step 1: Open Model settings

Open the model selector, scroll to the bottom, and click "Add Model" to enter the model management page.

Open Model settings

Step 2: Select a model provider

Choose "Model Provider", then select "Kimi Global" from the provider list. Enter the model ID you want to use.

Step 3: Get API Key

In the "API Key" section, click "Get API Key" to open the Kimi API Platform.

Select a model provider and get an API Key
  • Sign in to your Kimi account and enter the API management page.

  • Click "Create API Key" to generate a new API key.

  • Confirm the creation and wait for the API key to be generated.

  • Copy the generated API key and keep it secure.

Step 4: Configure optional settings

Return to TRAE and paste this API key into the "API Key" field to connect your Kimi model. Customize settings such as the model display name, context window size, and tool-calling limits. Click "Add Model" to complete the setup. Once verified, the Kimi model will be available in TRAE.

Configure optional settings

Step 5: Add and verify the model

Trae will validate the connection automatically. Once verification succeeds, the Kimi model will be added to your model list and ready to use.

Benefits of using the Kimi API with Trae

Using an external API with TRAE can enhance its AI capabilities and provide developers with more flexibility during development. By connecting to the Kimi API, users can improve code understanding, automate tasks, and handle complex projects more efficiently. Here are some of the key benefits of using the Kimi API with TRAE.

  • Extended context understanding across large codebases

The Kimi API helps TRAE process large amounts of code and project information more effectively. It can understand connections between files, modules, and components, making complex projects easier to analyze and maintain.

  • Faster and clearer repository analysis

Kimi can quickly analyze documentation, code structures, and technical details within a repository. This helps developers get useful insights faster and improves overall Trae API workflows for project exploration.

  • More cost-efficient AI-assisted development

The Kimi API provides powerful AI support while helping teams manage development costs more effectively. Developers can use advanced assistance in TRAE without relying only on expensive AI resources.

  • Accelerated information retrieval across projects

Kimi helps find relevant code patterns, references, and project details from large codebases. This reduces manual searching time and allows developers to focus on improving and building applications.

  • Smarter workflow automation and task support

The Kimi API can assist with repetitive tasks such as code generation, reviews, and technical analysis. When integrated with TRAE, it helps create smoother and more productive development workflows.

How does Trae improve the development workflow?

TRAE improves the development workflow by combining traditional coding tools with AI-driven assistance. It helps developers move faster by supporting everything from planning and coding to testing and deployment. Here is how TRAE enhances the software development process.

  • AI-powered development from idea to launch

TRAE helps transform ideas into functional software by supporting the entire development lifecycle. It understands requirements, plans workflows, generates code, and assists with deployment. With an API key, developers can also connect external AI services for more flexible development.

  • Flexible coding modes: IDE and SOLO

TRAE offers both traditional and AI-driven development modes based on user needs. IDE mode keeps developers in control, while SOLO mode allows AI to handle complex tasks from planning to execution.

  • Autonomous AI agent for end-to-end development

TRAE's AI agent can manage multi-step development tasks by analyzing context, selecting tools, and executing workflows. Developers can use Trae API capabilities to extend AI interactions and customize their development environment.

  • Multi-agent collaboration for complex tasks

TRAE supports multiple AI agents working together on different parts of a project. These specialized agents can collaborate, solve problems faster, and improve efficiency for advanced development tasks.

Conclusion

As AI development continues to evolve, connecting the right tools and models becomes essential for creating smarter applications. The Trae API provides developers with the flexibility to enhance their workflows by bringing external AI capabilities into their projects. With integrations like the Kimi API, teams can explore more adaptable solutions, improve productivity, and build AI-powered experiences that match their specific development goals.

FAQ

Which AI models can I connect to TRAE?
TRAE supports a variety of AI models to help developers customize their coding workflow. You can use built-in models or connect external models through API integration, including popular options such as Kimi, Claude, GPT-4o, Gemini, and DeepSeek. Different models offer different strengths in areas like code generation, debugging, reasoning, and project assistance, allowing developers to choose the model that best fits their needs.
Where can I get a Kimi API key for TRAE?
You can get a Kimi API key by creating an account on the Kimi platform and accessing its developer or API settings. After generating the key, you can add it to TRAE to connect the external AI service and enable customized model usage.
Can I switch between built-in models and my own API models?
Yes, TRAE allows developers to switch between available built-in models and connected external API models. This flexibility helps you choose the right model based on project requirements, cost, and development preferences.
Why is my API model not working in TRAE?
If your API model is not working, check your Trae API key, model configuration, and connection settings first. Issues can also occur due to incorrect endpoints, unsupported models, or access limitations from the API provider.
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