BYOK
Bring Your Own Key
Users bring their own API keys — issued directly from AI providers — and connect them to the platform. It's the fastest way to get started without any plan subscription.
BYOK · CYOK · HYOK
AI Content Generation Workflow for BYOK, CYOK, and HYOK Users
momocanvas offers an API-based environment for generating images, videos, audio, and music on a single canvas. Built for users who want freedom from plan subscriptions, control over their keys, and a cost-efficient workflow — with a fast, simple Pay-as-you-go experience.
Why users look for BYOK, CYOK, and HYOK
Many users find that monthly plan subscriptions require payment even during periods when no AI content is being generated. Plans also tend to lock you into the specific AI models a single service supports, making it hard to pick the right model for a given task.
That's why users compare key models like BYOK, CYOK, and HYOK when looking for an AI API approach that fits their workflow and cost structure. Paying only for what you use and freely choosing which AI model to run is becoming a reasonable default rather than a niche choice.
BYOK, CYOK, HYOK at a glance
All three models describe a different perspective on "who handles the API key, and how." As the control level goes up, so does the operational complexity.
CYOK
Control Your Own Key
Users keep tighter control over how keys are created, managed, and governed. A fit for users who want more operational oversight of key usage.
HYOK
Hold Your Own Key
Addresses the need to keep key material closer to the user's or organization's own environment. Relevant for teams with specific requirements around where keys are stored or handled.
| Model | Core concept | Control level | Suited for | Considerations |
|---|---|---|---|---|
| BYOK | Bring and register your own API keys | Base | Users who want to start fast, without a plan | Key management is the user's responsibility |
| CYOK | User controls creation, management, and governance | Medium–High | Users who need finer control over key usage | Requires operational policy and process design |
| HYOK | Keys held closer to the user's environment | High | Teams with specific key custody requirements | Needs internal infrastructure and operational capacity |
momocanvas is not an API key security management service. This page explains key-model concepts and introduces how momocanvas features work with your API keys for AI content generation.
What you can do with APIs on momocanvas
momocanvas is designed to connect image, video, audio, and music generation inside a single workflow. You can bring your own API keys and start with a Pay-as-you-go model, lowering the cost pressure of plan subscriptions while keeping your AI content pipeline flexible.
- Start with your own API keys — no plan subscription required
- Multimodal generation: image, video, audio, and music
- A single canvas for an uninterrupted AI workflow
- A structured environment for prompt engineering
Why momocanvas
Visual workflow
See how your AI content flows at a glance on a node-based visual canvas. Freely connect image, video, audio, and music generation nodes to build your pipeline.
Structured prompt engineering
Go beyond typical AI tools with a professional prompt design environment that helps anyone produce high-quality results. A structured prompt environment for repeatable quality.
Wide API integration
Manage and use API keys from major AI providers like Google, Higgsfield, Kling, and Flux — all in one place. Pick the AI model you want and wire it into your workflow.
A good fit if you…
Want to generate AI images and videos without a plan subscription?
Register your API keys and use Pay-as-you-go for only what you actually run — no fixed cost during idle periods.
Need to connect multiple AI models in a single workflow?
Wire image, video, audio, and music generation together as nodes on one canvas to build a pipeline.
Want to raise output quality through structured prompt engineering?
Produce repeatable, higher-quality AI content from a deliberately designed prompt environment.
Try momocanvas for free today
With your own API keys, you can start generating AI content right away — no plan subscription required.
Go to momocanvas homeFrequently asked questions
What are the differences between BYOK, CYOK, and HYOK?
BYOK is a model where users register their own issued API keys with a service. CYOK raises the level of control over key creation, management, and governance. HYOK addresses requirements around holding keys closer to the user's own environment.
Does this page describe an actual product feature or a security-oriented workflow?
This page explains the BYOK, CYOK, and HYOK concepts and introduces how momocanvas features work with your API keys for AI content generation.
Which APIs does momocanvas support?
momocanvas supports APIs across all major categories — text, image, video, audio, and music. If you need a specific provider, you can request it and we'll review it for inclusion.
What types of content can I generate?
You can generate text, images, video, audio, and music inside a single workflow.
How does Pay-as-you-go work?
Depending on the API provider, there are two models: Pay-as-you-go, where you register payment information and are charged for actual usage, and Prepaid, where you top up a balance in advance. Please refer to the announcements page for details.
Are both Korean and English supported?
Yes, both Korean and English environments are fully supported.