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NavTalk Video Synthesis API enables you to generate high-quality digital human videos programmatically. Perfect for creating marketing videos, educational content, personalized messages, and automated video production workflows.

Core Features

Multiple Input Methods

Support for images, videos, or system preset characters as the visual source with 9 different calling combinations

Flexible Audio Options

Use text-to-speech (TTS), audio URLs, or Base64-encoded audio with multiple voice styles for synchronization

Asynchronous Processing

Efficient task-based processing with status polling for scalable video generation

High-Quality Output

Professional-grade video synthesis with accurate lip sync and natural expressions

System Characters

Use built-in digital human characters or create custom avatars for your brand

Easy Integration

Simple RESTful API with standard JSON requests and responses

Getting Started

To get started, see the Quick Start guide. For complete API documentation including all 9 calling methods and parameters, refer to the API Reference.